{ "dataset": "smr_projects", "as_of_date": "2026-10-09", "generated_at": "2026-10-09T00:51:21Z", "description": "Small modular and advanced reactor projects worldwide with a named site or regulatory filing (plus a few programme-level concepts named in the Nuclear Atlas brief): design, developer, site, status, licensing stage, capacity, fuel, as verified against web sources on 2026-10-09. Every record cites its primary source and as-of date; unknown values are null with a note.", "sources": [ { "name": "World Nuclear News (WNN)", "url": "https://www.world-nuclear-news.org/", "accessed": "2026-10-09", "licence": "Copyright WNA; facts cited" }, { "name": "NucNet", "url": "https://www.nucnet.org/", "accessed": "2026-10-09", "licence": "Copyright; facts cited" }, { "name": "ANS Nuclear Newswire", "url": "https://www.ans.org/news/", "accessed": "2026-10-09", "licence": "Copyright; facts cited" }, { "name": "US NRC", "url": "https://www.nrc.gov/", "accessed": "2026-10-09", "licence": "US public domain" }, { "name": "US DOE", "url": "https://www.energy.gov/", "accessed": "2026-10-09", "licence": "US public domain" }, { "name": "CNSC", "url": "https://www.cnsc-ccsn.gc.ca/", "accessed": "2026-10-09", "licence": "Crown copyright, open" }, { "name": "ONR", "url": "https://www.onr.org.uk/", "accessed": "2026-10-09", "licence": "Open Government Licence" }, { "name": "GOV.UK", "url": "https://www.gov.uk/", "accessed": "2026-10-09", "licence": "Open Government Licence" }, { "name": "World Nuclear Association country profiles", "url": "https://world-nuclear.org/information-library/", "accessed": "2026-10-09", "licence": "Copyright WNA; facts cited" }, { "name": "Developer press releases (GE Vernova, TerraPower, Kairos, Rolls-Royce SMR, NANO Nuclear, Blue Energy, Saskatchewan Gov)", "url": "various (see records)", "accessed": "2026-10-09", "licence": "Copyright; facts cited" }, { "name": "Nuclear Engineering International", "url": "https://www.neimagazine.com/", "accessed": "2026-10-09", "licence": "Copyright; facts cited" }, { "name": "Foro Nuclear", "url": "https://www.foronuclear.org/", "accessed": "2026-10-09", "licence": "Copyright; facts cited" } ], "fields": { "project_id": "slug; unique", "design": "reactor design name", "design_family": "iPWR | BWR-SMR | HTGR | SFR | MSR | LFR | microreactor | floating", "developer": "technology vendor / developer", "developer_country_iso3": "ISO 3166-1 alpha-3 of the developer HQ", "site_name": "named site, or null when none announced", "site_country_iso3": "ISO3 of the site country (or intended market when no site)", "lat": "site latitude (WGS84); null when no site is named or coordinates not verified; precision stated in notes", "lon": "site longitude (WGS84)", "capacity_mwe_per_module": "net/gross MWe per module as stated by developer (see notes)", "modules_planned": "number of reactor modules in the project phase recorded", "capacity_mwe_total": "capacity_mwe_per_module x modules_planned (or developer total)", "status": "concept | pre_licensing | licence_application | licensed | under_construction | operating | cancelled | on_hold (definitions in docs/data/smr_projects.md)", "regulator": "national regulator (or DOE for US Reactor Pilot Program authorisations)", "regulator_stage": "free text, latest verified licensing step with date", "key_milestone_date": "ISO date of the latest verified milestone", "target_operation_year": "developer/owner stated target; null when none", "fuel": "LEU | LEU+ | HALEU | TRISO-HALEU | other | null (unknown)", "fuel_enrichment_pct": "number or null", "customer_or_offtaker": "owner/customer/offtaker", "is_floating": "bool", "use_case": "grid | data_centre | industrial_heat | remote | district_heating | research", "source_url": "primary source (developer, regulator, IAEA/WNA/WNN)", "source_name": "name of source", "as_of_date": "date the source was checked", "confidence": "high (primary/regulator/developer) | medium (trade press) | low (partial/unverified)", "notes": "caveats, coordinate precision, secondary sources" }, "status_definitions": { "concept": "No named site and/or no regulatory filing; may include design-level regulatory engagement (e.g. NRC pre-application) and non-binding agreements.", "pre_licensing": "Named site; pre-application/vendor design review/early works or siting studies, but no licence application filed for the site.", "licence_application": "A site-specific licence application (construction permit, licence to prepare site, standard design approval for i-SMR) is docketed/under review.", "licensed": "Construction permit/licence (or DOE DSA authorisation) granted but safety-related construction not confirmed started.", "under_construction": "Safety-related/nuclear construction or on-site commissioning underway (includes test reactors awaiting fuel load).", "operating": "Grid-connected commercial operation, or for DOE Reactor Pilot Program test reactors: fuelled criticality achieved (zero-power unless stated).", "on_hold": "Construction or development suspended / vendor in administration.", "cancelled": "Formally cancelled." }, "summary": { "record_count": 53, "by_status": { "concept": 7, "pre_licensing": 16, "under_construction": 10, "licensed": 5, "licence_application": 7, "operating": 6, "on_hold": 2 }, "by_site_country": { "USA": 22, "ROU": 1, "GHA": 1, "CAN": 5, "POL": 1, "EST": 1, "GBR": 2, "CZE": 1, "SWE": 2, "CHN": 2, "RUS": 3, "FRA": 2, "ARG": 1, "KOR": 2, "FIN": 1, "CHE": 1, "NLD": 2, "IDN": 1, "PHL": 1, "KEN": 1 }, "by_confidence": { "medium": 33, "low": 12, "high": 8 } }, "known_gaps": [ "CAREM-25 (Argentina): no 2025-2026 status source found; record reflects Sept 2024 halt — may be stale.", "Reactor Pilot Program: whether Groves Isotope Test Reactor, Last Energy PWR-5, Radiant Kaleidos, Oklo Aurora-INL or Deep Fission reached criticality after 2026-07-02 is unverified.", "X-energy Long Mott: NRC construction permit decision pending after 2026-09-22 hearing (record closed 2026-10-06) — check for issuance.", "Rolls-Royce SMR GDA Step 3 completion (due Aug 2026) and UK nuclear site licence application at Wylfa not confirmed.", "Russia: Baimsky floating units — delivery years, per-unit MWe (106 vs 110) and site coordinates unverified; Yakutia RITM-200N unit count (1 vs 2) and target year (2028 vs 2030) conflict between NEI and WNA.", "Fuel enrichment is null for most records; only HTR-PM (8.5%), NuScale (4.95% design max) and Xe-100 (15.5% design) carry figures, the latter two from developer design data not re-verified today.", "Darlington units 2-4: no separate cost/schedule published; CAD 20.9bn provincial budget scope (unit 1 vs four units) ambiguous in sources.", "Coordinates: most are site-level approximations from reference knowledge, not GIS-verified; city-centroid or null where flagged in notes.", "Not covered (no named site or filing found in time): Oklo Pluto, Last Energy Haskell County (TX), Westinghouse AP300 UK Teesside progress, Hyundai E&C own SMR, Copenhagen Atomics 2026 experiment outcome, Saltfoss/Seaborg funding status, Ghana project-level 2026 update.", "ENTRA1/TVA: 'TVA board review of SMR allocation' was reported as pending for October 2026 — verify outcome.", "TVO/Fortum, Helen (Finland) and other European utility SMR feasibility programmes without a selected design are not recorded." ], "records": [ { "project_id": "nuscale-entra1-tva-program", "design": "NuScale US460 (VOYGR-6, 77 MWe modules)", "design_family": "iPWR", "developer": "NuScale Power / ENTRA1 Energy", "developer_country_iso3": "USA", "site_name": null, "site_country_iso3": "USA", "lat": null, "lon": null, "capacity_mwe_per_module": 77, "modules_planned": null, "capacity_mwe_total": 6000, "status": "concept", "regulator": "NRC", "regulator_stage": "NRC standard design approval for uprated 77 MWe module (US460) announced 2025-05-29 and 2025-05-30; no site-specific CP/COL application filed", "key_milestone_date": "2025-09-04", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": 4.95, "customer_or_offtaker": "Tennessee Valley Authority (non-binding collaborative agreement with ENTRA1, Sept 2025)", "is_floating": false, "use_case": "grid", "source_url": "https://www.world-nuclear-news.org/articles/tva-entra1-energy-team-up-for-smr-deployment", "source_name": "WNN 2025-09-04", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Up to 6 GW via six ENTRA1-owned plants across TVA's seven-state region; no sites named. Still non-binding and no PPA as of 2026-09-15 (Motley Fool/NuScale Q2-2026 call, https://www.fool.com/investing/2026/09/15/nuscale-power-is-closing-in-on-a-deal-that-could-t/). 6,000 MWe total is the programme ceiling, not a firm order. Enrichment 4.95% is the design maximum (developer design data, not re-verified today). DOE page on SDA: https://www.energy.gov/node/4851387 (2025-05-30)." }, { "project_id": "ropower-doicesti", "design": "NuScale US460 (VOYGR-6)", "design_family": "iPWR", "developer": "NuScale Power", "developer_country_iso3": "USA", "site_name": "Doicești (former coal plant), Dâmbovița County", "site_country_iso3": "ROU", "lat": 44.98, "lon": 25.41, "capacity_mwe_per_module": 77, "modules_planned": 6, "capacity_mwe_total": 462, "status": "pre_licensing", "regulator": "CNCAN", "regulator_stage": "Licensing process ongoing after FID; no construction licence yet (WNN 2026-02-13)", "key_milestone_date": "2026-02-13", "target_operation_year": 2033, "fuel": "LEU", "fuel_enrichment_pct": 4.95, "customer_or_offtaker": "RoPower Nuclear (Nuclearelectrica + Nova Power & Gas/E-INFRA)", "is_floating": false, "use_case": "grid", "source_url": "https://world-nuclear-news.org/articles/final-investment-decision-taken-for-romanias-smrs", "source_name": "WNN 2026-02-13", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "FID approved by Nuclearelectrica shareholders Feb 2026 but PM Bolojan said investment proceeds only once a funding formula is found; ~15-month pre-EPC phase to Class-2 budget. Cost cited USD 6-7bn. US EXIM LoI up to USD 3bn, DFC LoI up to USD 1bn. Coordinates: town-level (approx.)." }, { "project_id": "nuscale-ghana-regnum", "design": "NuScale VOYGR-12", "design_family": "iPWR", "developer": "NuScale Power / Regnum Technology Group", "developer_country_iso3": "USA", "site_name": null, "site_country_iso3": "GHA", "lat": null, "lon": null, "capacity_mwe_per_module": 77, "modules_planned": 12, "capacity_mwe_total": 924, "status": "concept", "regulator": "Nuclear Regulatory Authority (Ghana)", "regulator_stage": "No licence application; Ghana in IAEA Milestones Phase 2 (Feb 2026 update)", "key_milestone_date": "2024-09-03", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": 4.95, "customer_or_offtaker": "Nuclear Power Ghana (BOOT structure sought)", "is_floating": false, "use_case": "grid", "source_url": "https://www.neimagazine.com/news/ghana-secures-nuscale-smr-agreement/", "source_name": "NEI 2024-09-03", "as_of_date": "2026-10-09", "confidence": "low", "notes": "Non-binding 2024 agreement; two candidate sites identified by Ghana but not named for this project. 924 MWe = 12 x 77 MWe (calculated). Ghana targets first nuclear plant mid-2030s (Energy for Growth Hub 2026-09-17, https://energyforgrowth.org/article/2026-update-who-in-africa-is-ready-for-nuclear-power/). No 2026 project-specific update found." }, { "project_id": "bwrx300-darlington-unit1", "design": "GE Vernova Hitachi BWRX-300", "design_family": "BWR-SMR", "developer": "GE Vernova Hitachi Nuclear Energy", "developer_country_iso3": "USA", "site_name": "Darlington New Nuclear Project, Clarington, Ontario", "site_country_iso3": "CAN", "lat": 43.873, "lon": -78.72, "capacity_mwe_per_module": 300, "modules_planned": 1, "capacity_mwe_total": 300, "status": "under_construction", "regulator": "CNSC", "regulator_stage": "Licence to Construct issued 2025-04; Licence to Operate application submitted 2026-03 (under review, hearing date TBA); hold point 1 (reactor building foundation) lifted 2026-03-30", "key_milestone_date": "2026-03-30", "target_operation_year": 2030, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Ontario Power Generation", "is_floating": false, "use_case": "grid", "source_url": "https://www.world-nuclear-news.org/articles/opg-applies-for-operating-licence-for-bwrx-300-smr", "source_name": "WNN 2026-04-02", "as_of_date": "2026-10-09", "confidence": "high", "notes": "First grid-scale SMR under construction in the West. Province approved CAD 20.9bn budget (June 2025) for the four-unit project with construction start on unit 1. Shaft excavation reached full depth (NucNet 2026-03-23). GEV press release 2026-09-29 confirms LTO application submitted March 2026. Coordinates: Darlington site." }, { "project_id": "bwrx300-darlington-units2-4", "design": "GE Vernova Hitachi BWRX-300", "design_family": "BWR-SMR", "developer": "GE Vernova Hitachi Nuclear Energy", "developer_country_iso3": "USA", "site_name": "Darlington New Nuclear Project, Clarington, Ontario", "site_country_iso3": "CAN", "lat": 43.873, "lon": -78.72, "capacity_mwe_per_module": 300, "modules_planned": 3, "capacity_mwe_total": 900, "status": "licensed", "regulator": "CNSC", "regulator_stage": "Covered by the Darlington site licence framework; the April 2025 Licence to Construct covered unit 1 only (construction licence for units 2-4 pending)", "key_milestone_date": "2025-04-04", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Ontario Power Generation", "is_floating": false, "use_case": "grid", "source_url": "https://www.cnsc-ccsn.gc.ca/eng/reactors/new-reactor-power-plant-projects/new-reactor-power-plant-facilities/darlington-new-nuclear-project/", "source_name": "CNSC Darlington New Nuclear Project page", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Status 'licensed' refers to the site preparation licence (2022) covering up to 4 units; construction licence for units 2-4 not yet issued. No separate cost or schedule published for units 2-4 (WNN 2026-04-02). Coordinates: Darlington site." }, { "project_id": "bwrx300-clinch-river-tva", "design": "GE Vernova Hitachi BWRX-300", "design_family": "BWR-SMR", "developer": "GE Vernova Hitachi Nuclear Energy", "developer_country_iso3": "USA", "site_name": "Clinch River Nuclear Site, Oak Ridge, Tennessee", "site_country_iso3": "USA", "lat": 35.898, "lon": -84.384, "capacity_mwe_per_module": 300, "modules_planned": 1, "capacity_mwe_total": 300, "status": "licensed", "regulator": "NRC", "regulator_stage": "NRC construction permit issued 2026-09-29 (first US BWRX-300 CP; CPA submitted May 2025, review 14 months); early site permit held since 2019", "key_milestone_date": "2026-09-29", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Tennessee Valley Authority", "is_floating": false, "use_case": "grid", "source_url": "https://www.gevernova.com/news/press-releases/nrc-issues-first-us-construction-permit-bwrx-300-small-modular-reactor-tva-clinch-river", "source_name": "GE Vernova press release 2026-09-29", "as_of_date": "2026-10-09", "confidence": "high", "notes": "TVA has announced no construction start date or cost and is negotiating cost-sharing with industry partners (WNN 2026-09-30). Coordinates: approximate (Clinch River site)." }, { "project_id": "bwrx300-osge-wloclawek", "design": "GE Vernova Hitachi BWRX-300", "design_family": "BWR-SMR", "developer": "GE Vernova Hitachi Nuclear Energy / OSGE", "developer_country_iso3": "USA", "site_name": "Włocławek (Anwil site), Kuyavian-Pomeranian", "site_country_iso3": "POL", "lat": 52.648, "lon": 19.068, "capacity_mwe_per_module": 300, "modules_planned": null, "capacity_mwe_total": null, "status": "pre_licensing", "regulator": "PAA", "regulator_stage": "Decisions-in-principle for six sites (2023); pre-licensing regulatory opinion requests filed 2026-06-22 (fuel, software); CfD/state-aid application for 14 units filed 2026-07; no construction licence application yet", "key_milestone_date": "2026-07-01", "target_operation_year": 2032, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Orlen Synthos Green Energy (Orlen + Synthos Green Energy JV)", "is_floating": false, "use_case": "grid", "source_url": "https://www.nucnet.org/news/poland-s-osge-begins-state-support-bid-for-construction-of-small-modular-reactor-fleet-7-3-2026", "source_name": "NucNet 2026-07-01", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Włocławek named first site (first unit 2032); other named sites Stawy Monowskie and Stalowa Wola. Unit count per site not published; 14 units in CfD application, 26 in full programme. Coordinates: city-level." }, { "project_id": "bwrx300-fermi-energia-estonia", "design": "GE Vernova Hitachi BWRX-300", "design_family": "BWR-SMR", "developer": "GE Vernova Hitachi Nuclear Energy / Fermi Energia", "developer_country_iso3": "USA", "site_name": "Candidate sites: Kunda (Viru-Nigula) and Aa (Lüganuse); Madala property near Kunda port under conditional agreement", "site_country_iso3": "EST", "lat": 59.5, "lon": 26.53, "capacity_mwe_per_module": 300, "modules_planned": 2, "capacity_mwe_total": 600, "status": "pre_licensing", "regulator": "TTJA (new regulator under TEOS act)", "regulator_stage": "Nuclear Energy and Safety Act (TEOS) passed by Riigikogu 2026-06, in force 2027-01; national spatial plan/SEA started 2025-05; construction permit application planned 2029", "key_milestone_date": "2026-06-30", "target_operation_year": 2035, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Fermi Energia", "is_floating": false, "use_case": "grid", "source_url": "https://world-nuclear.org/information-library/country-profiles/countries-a-f/estonia", "source_name": "WNA Estonia profile (updated 2026-08-04)", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Coordinates are Kunda town-level; final site not selected (pre-selection 2025-2027). Parliament must approve any build decision (TEOS amendment). Exact TEOS adoption day not captured (June 2026)." }, { "project_id": "bwrx300-saskpower-rafferty", "design": "GE Vernova Hitachi BWRX-300", "design_family": "BWR-SMR", "developer": "GE Vernova Hitachi Nuclear Energy", "developer_country_iso3": "USA", "site_name": "Rafferty Reservoir site near Estevan, Saskatchewan", "site_country_iso3": "CAN", "lat": 49.14, "lon": -103.08, "capacity_mwe_per_module": 300, "modules_planned": 2, "capacity_mwe_total": 600, "status": "pre_licensing", "regulator": "CNSC", "regulator_stage": "Site selected for further study 2026-09-29; no licence application filed", "key_milestone_date": "2026-09-29", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "SaskPower", "is_floating": false, "use_case": "grid", "source_url": "https://www.saskatchewan.ca/government/news-and-media/2026/september/29/saskatchewan-advances-nuclear-power-to-support-long-term-energy-security", "source_name": "Government of Saskatchewan release 2026-09-29", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Province goal of at least 600 MW in the Estevan area (hence 2 units assumed from the Oct 2025 strategy 'two SMR units near Estevan', WNN 2025-10-21); mid-2030s deployment previously indicated. Province also plans two large reactors (>2,000 MW, first by 2042) and 2,600 MW nuclear by 2050. Coordinates: approximate reservoir location." }, { "project_id": "bwrx300-blue-energy-port-victoria", "design": "GE Vernova Hitachi BWRX-300", "design_family": "BWR-SMR", "developer": "GE Vernova Hitachi Nuclear Energy / Blue Energy", "developer_country_iso3": "USA", "site_name": "Blue Energy Center, Port of Victoria, Texas", "site_country_iso3": "USA", "lat": 28.63, "lon": -96.98, "capacity_mwe_per_module": 300, "modules_planned": 1, "capacity_mwe_total": 300, "status": "licence_application", "regulator": "NRC", "regulator_stage": "Part 1 of phased construction permit application (with limited work authorization request) submitted 2026-09-16; part 2 expected 2027 after one year of site data collection", "key_milestone_date": "2026-09-16", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Blue Energy Global (gas-plus-nuclear campus; data-centre offtake reported in press)", "is_floating": false, "use_case": "data_centre", "source_url": "https://www.gevernova.com/news/press-releases/blue-energy-texas-gas-plus-nuclear-project-nrc-review", "source_name": "GE Vernova press release 2026-09-16", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Federal Register notice 2026-10-08 titled 'Blue Energy Center-Port of Victoria Nuclear Unit 1; Phased Construction Permit Application-Limited Work Authorization'. NRC acceptance/docketing date not confirmed. Coordinates: approximate (Port of Victoria)." }, { "project_id": "rr-smr-wylfa-gben", "design": "Rolls-Royce SMR (470 MWe PWR)", "design_family": "iPWR", "developer": "Rolls-Royce SMR Ltd", "developer_country_iso3": "GBR", "site_name": "Wylfa / Gwyndod, Ynys Môn (Anglesey), Wales", "site_country_iso3": "GBR", "lat": 53.416, "lon": -4.483, "capacity_mwe_per_module": 470, "modules_planned": 3, "capacity_mwe_total": 1410, "status": "pre_licensing", "regulator": "ONR", "regulator_stage": "GDA Step 3 (final step) since 2024-07-30, originally due to complete Aug 2026 (completion not confirmed as of 2026-10-09); Wylfa selected as first site 2025-11-13; nuclear site licence application not yet reported", "key_milestone_date": "2025-11-13", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Great British Energy - Nuclear (preferred bidder selection 2025-06-10; >GBP 2.5bn programme funding)", "is_floating": false, "use_case": "grid", "source_url": "https://www.onr.org.uk/news/all-news/2025/11/onr-comment-on-smr-siting-announcement", "source_name": "ONR 2025-11-13", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Government target: grid connection mid-2030s (GOV.UK 2025-06-10). Rolls-Royce SMR 'Our Progress' page names the site Gwyndod, Ynys Môn and notes a site-specific development contract signed with GBE-N in 2026 (no day given). Coordinates: Wylfa site." }, { "project_id": "rr-smr-temelin-cez", "design": "Rolls-Royce SMR (470 MWe PWR)", "design_family": "iPWR", "developer": "Rolls-Royce SMR Ltd", "developer_country_iso3": "GBR", "site_name": "Temelín nuclear site, South Bohemia", "site_country_iso3": "CZE", "lat": 49.18, "lon": 14.376, "capacity_mwe_per_module": 470, "modules_planned": null, "capacity_mwe_total": null, "status": "pre_licensing", "regulator": "SÚJB", "regulator_stage": "Early Works Contract (design, permitting preparation, site application development) signed 2026-04 and Temelín EWC reported Sept 2026; no siting permit application confirmed", "key_milestone_date": "2026-04-27", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "ČEZ Group (shareholder in Rolls-Royce SMR)", "is_floating": false, "use_case": "grid", "source_url": "https://www.ans.org/news/2026-04-27/article-7984/rollsroyceez-smr-project-at-temeln-moves-forward/", "source_name": "ANS Nuclear Newswire 2026-04-27", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Programme ambition up to 3 GW in Czechia; MoUs for Tušimice and Dětmarovice sites. Unit count at Temelín not published. Rolls-Royce SMR progress page dates the Temelín EWC to September 2026 while ANS reported an early works contract in April 2026 — treat date as 2026 (Apr-Sep). Coordinates: Temelín NPP." }, { "project_id": "rr-smr-varo-videberg", "design": "Rolls-Royce SMR (470 MWe PWR)", "design_family": "iPWR", "developer": "Rolls-Royce SMR Ltd", "developer_country_iso3": "GBR", "site_name": "Värö peninsula near Ringhals, Halland", "site_country_iso3": "SWE", "lat": 57.26, "lon": 12.111, "capacity_mwe_per_module": 470, "modules_planned": 3, "capacity_mwe_total": 1410, "status": "pre_licensing", "regulator": "SSM", "regulator_stage": "Technology selected 2026-06-15 over BWRX-300; state-aid application lodged with Swedish government Dec 2025 (act in force 2025-08-01); no SSM licence application yet", "key_milestone_date": "2026-06-15", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Videberg Kraft (Vattenfall + Industrikraft; Swedish state to become majority owner)", "is_floating": false, "use_case": "grid", "source_url": "https://www.world-nuclear-news.org/articles/swedish-new-nuclear-project-selects-rolls-royce-smrs", "source_name": "WNN 2026-06-15", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "First unit targeted mid-2030s; ~1.5 GW total. Coordinates: Ringhals site." }, { "project_id": "linglong-one-changjiang", "design": "ACP100 (Linglong One)", "design_family": "iPWR", "developer": "CNNC", "developer_country_iso3": "CHN", "site_name": "Changjiang NPP, Hainan", "site_country_iso3": "CHN", "lat": 19.459, "lon": 108.895, "capacity_mwe_per_module": 125, "modules_planned": 1, "capacity_mwe_total": 125, "status": "under_construction", "regulator": "NNSA", "regulator_stage": "Construction since 2021-07; cold tests completed 2025-10; hot functional testing reported underway Oct 2026; fuel loading and grid connection targeted before end-2026", "key_milestone_date": "2026-10-07", "target_operation_year": 2026, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Hainan Nuclear Power Co (CNNC)", "is_floating": false, "use_case": "grid", "source_url": "https://www.nucnet.org/news/hot-testing-begins-at-china-s-linglong-1-small-modular-reactor-10-3-2026", "source_name": "NucNet 2026-10-07", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "World's first commercial land-based SMR to reach hot testing; a Dec 2025 CNNC statement had targeted commercial operation in H1 2026, now slipped to end-2026 fuel load/grid connection. Hot-test start date not given (local media). Coordinates: approximate." }, { "project_id": "htr-pm-shidaowan", "design": "HTR-PM (2x250 MWt pebble-bed HTGR)", "design_family": "HTGR", "developer": "China Huaneng / CNEC / Tsinghua INET", "developer_country_iso3": "CHN", "site_name": "Shidao Bay (Shidaowan), Rongcheng, Shandong", "site_country_iso3": "CHN", "lat": 36.957, "lon": 122.52, "capacity_mwe_per_module": 210, "modules_planned": 1, "capacity_mwe_total": 210, "status": "operating", "regulator": "NNSA", "regulator_stage": "Operating permit 2021-08; grid connection 2021-12; commercial operation declared 2023-12-06", "key_milestone_date": "2023-12-06", "target_operation_year": 2023, "fuel": "LEU+", "fuel_enrichment_pct": 8.5, "customer_or_offtaker": "China Huaneng Group", "is_floating": false, "use_case": "grid", "source_url": "https://www.world-nuclear-news.org/Articles/Chinese-HTR-PM-Demo-begins-commercial-operation", "source_name": "WNN 2023-12-06", "as_of_date": "2026-10-09", "confidence": "high", "notes": "Two 250 MWt reactor modules feed one 210 MWe turbine; TRISO pebbles enriched 8.5% (fuel class LEU+ / TRISO). Coordinates: approximate." }, { "project_id": "akademik-lomonosov-pevek", "design": "KLT-40S floating NPP (Akademik Lomonosov)", "design_family": "floating", "developer": "Rosatom / OKBM Afrikantov", "developer_country_iso3": "RUS", "site_name": "Pevek, Chukotka", "site_country_iso3": "RUS", "lat": 69.7, "lon": 170.283, "capacity_mwe_per_module": 35, "modules_planned": 2, "capacity_mwe_total": 70, "status": "operating", "regulator": "Rostekhnadzor", "regulator_stage": "Grid connection 2019-12-19; commercial operation May 2020", "key_milestone_date": "2020-05-22", "target_operation_year": 2020, "fuel": "HALEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Rosenergoatom (Chukotka grid and Pevek heat)", "is_floating": true, "use_case": "remote", "source_url": "https://world-nuclear.org/information-library/country-profiles/countries-o-s/russia-nuclear-power", "source_name": "WNA Russia profile (updated 2026-07-22)", "as_of_date": "2026-10-09", "confidence": "high", "notes": "WNA lists 2x35 MWe gross / 32 MWe net per unit; fuel 'LEU below 20% U-235' (classified here as HALEU because >5%); exact enrichment not verified. Commercial-operation day (22 May 2020) from prior knowledge; WNA gives 'May 2020'. Coordinates: Pevek." }, { "project_id": "ritm-200n-yakutia-ust-kuyga", "design": "RITM-200N land-based SMR", "design_family": "iPWR", "developer": "Rosatom", "developer_country_iso3": "RUS", "site_name": "Ust-Kuyga, Ust-Yansky District, Yakutia", "site_country_iso3": "RUS", "lat": 70.017, "lon": 135.6, "capacity_mwe_per_module": 55, "modules_planned": 2, "capacity_mwe_total": 110, "status": "licensed", "regulator": "Rostekhnadzor", "regulator_stage": "Construction licence granted 2023-04; site preparation (camps, access road) 2025; first concrete not confirmed in sources reviewed", "key_milestone_date": "2023-04-01", "target_operation_year": 2030, "fuel": "HALEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Rosatom (power for Kyuchus gold project and Yakutia settlements)", "is_floating": false, "use_case": "remote", "source_url": "https://world-nuclear.org/information-library/country-profiles/countries-o-s/russia-nuclear-power", "source_name": "WNA Russia profile (updated 2026-07-22)", "as_of_date": "2026-10-09", "confidence": "low", "notes": "WNA planned-reactor table lists 2x55 MWe with 2030 operation; NEI (2025-03-28) described a single 55 MWe unit with commissioning in 2028 — module count and date conflict between sources. Fuel class 'HALEU' reflects RITM-200 <20% enrichment (not verified for 200N). Coordinates: settlement-level." }, { "project_id": "baimsky-floating-units-cape-nagloynyn", "design": "RITM-200S floating power units (PEB-106)", "design_family": "floating", "developer": "Rosatom (Atomenergomash / Baltic Shipyard; hulls Wison Nantong)", "developer_country_iso3": "RUS", "site_name": "Cape Nagloynyn, Chaun Bay, Chukotka", "site_country_iso3": "RUS", "lat": null, "lon": null, "capacity_mwe_per_module": 106, "modules_planned": 4, "capacity_mwe_total": 424, "status": "under_construction", "regulator": "Rostekhnadzor", "regulator_stage": "Units 1-2 under construction since 2022-08-31 (WNA); first RITM-200S reactor shipped from ZiO-Podolsk May 2026", "key_milestone_date": "2026-05-27", "target_operation_year": null, "fuel": "HALEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Baimskaya GOK copper mine (KAZ Minerals)", "is_floating": true, "use_case": "remote", "source_url": "https://www.nucnet.org/news/russia-ships-first-reactor-unit-for-far-east-floating-nuclear-plant-5-3-2026", "source_name": "NucNet 2026-05-27", "as_of_date": "2026-10-09", "confidence": "low", "notes": "Capacity conflict: WNA text says 4 units/8 reactors = 440 MWe while its table lists 4x106 MWe; 106 MWe per unit used here. Delivery years not confirmed in sources reviewed (earlier plans: 2027-2031). Site coordinates not verified -> null. Fuel class per RITM-200 <20% enrichment, not verified." }, { "project_id": "xe-100-long-mott-seadrift", "design": "X-energy Xe-100 (HTGR)", "design_family": "HTGR", "developer": "X-energy", "developer_country_iso3": "USA", "site_name": "Long Mott Generating Station, Dow Seadrift Operations, Calhoun County, Texas", "site_country_iso3": "USA", "lat": 28.459, "lon": -96.763, "capacity_mwe_per_module": 80, "modules_planned": 4, "capacity_mwe_total": 320, "status": "licence_application", "regulator": "NRC", "regulator_stage": "CPA docketed May 2025; environmental assessment with FONSI issued 2026-05 (Federal Register 2026-05-20); mandatory hearing held 2026-09-22; CP decision pending (safety review due later 2026)", "key_milestone_date": "2026-09-22", "target_operation_year": null, "fuel": "TRISO-HALEU", "fuel_enrichment_pct": 15.5, "customer_or_offtaker": "Dow (Long Mott Energy LLC) — process heat and power for Seadrift chemicals site; DOE ARDP cost share", "is_floating": false, "use_case": "industrial_heat", "source_url": "https://www.nrc.gov/public-involve/public-meetings/pmns/20260726", "source_name": "NRC mandatory hearing notice (2026-09-22 hearing)", "as_of_date": "2026-10-09", "confidence": "high", "notes": "Four Xe-100 at 80 MWe each (WNN 2026-05-19). TRISO enrichment 15.5% is X-energy design data (not re-verified today). Hearing record closed 2026-10-06; permit not issued as of 2026-10-09 per sources reviewed. Coordinates: approximate (Seadrift plant)." }, { "project_id": "xe-100-cascade-energy-northwest", "design": "X-energy Xe-100 (HTGR)", "design_family": "HTGR", "developer": "X-energy", "developer_country_iso3": "USA", "site_name": "Cascade Advanced Energy Facility, DOE Hanford Reservation adjacent to Columbia Generating Station, Benton County, Washington", "site_country_iso3": "USA", "lat": 46.471, "lon": -119.333, "capacity_mwe_per_module": 80, "modules_planned": 12, "capacity_mwe_total": 960, "status": "pre_licensing", "regulator": "NRC", "regulator_stage": "NRC pre-application activities since 2024-08 (docket 99902130) for a future Part 50 construction permit application; no CPA submitted as of 2026-09-08 page update", "key_milestone_date": "2024-08-01", "target_operation_year": null, "fuel": "TRISO-HALEU", "fuel_enrichment_pct": 15.5, "customer_or_offtaker": "Energy Northwest New Nuclear LLC; Amazon (funding / offtake)", "is_floating": false, "use_case": "data_centre", "source_url": "https://www.nrc.gov/reactors/new-reactors/advanced/who-were-working-with/pre-application-activities/energy-northwest", "source_name": "NRC pre-application page (updated 2026-09-08)", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Up to 12 units (960 MWe) per NRC page; initial phase of 4 units (320 MWe) reported in press. Coordinates: Columbia Generating Station." }, { "project_id": "natrium-kemmerer-unit1", "design": "TerraPower Natrium (SFR + molten-salt storage)", "design_family": "SFR", "developer": "TerraPower", "developer_country_iso3": "USA", "site_name": "Kemmerer Power Station Unit 1, near Naughton plant, Kemmerer, Wyoming", "site_country_iso3": "USA", "lat": 41.751, "lon": -110.6, "capacity_mwe_per_module": 345, "modules_planned": 1, "capacity_mwe_total": 345, "status": "under_construction", "regulator": "NRC", "regulator_stage": "NRC Commission approved construction permit 2026-03-04 (first US commercial advanced-reactor CP); ground broken on nuclear plant spring 2026", "key_milestone_date": "2026-03-04", "target_operation_year": 2031, "fuel": "HALEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "PacifiCorp (partner); DOE ARDP cost share", "is_floating": false, "use_case": "grid", "source_url": "https://www.terrapower.com/NRC-Approves-Natrium-Reactor-Construction-Permit", "source_name": "TerraPower press release 2026-03-04", "as_of_date": "2026-10-09", "confidence": "high", "notes": "345 MWe base, 500 MWe peak via storage. Construction completion targeted 2030, commercial operation 2031 (ANS 2026-09-21). Bechtel exited as EPC Sept 2026 (WARN notice 2026-09-15); EPC to be rebid; TerraPower says no schedule impact. HALEU metallic fuel per design (enrichment not stated in sources). Coordinates: approximate." }, { "project_id": "kairos-hermes-1-oak-ridge", "design": "Kairos Hermes (35 MWt FHR test reactor)", "design_family": "MSR", "developer": "Kairos Power", "developer_country_iso3": "USA", "site_name": "Heritage Center (ETTP), Oak Ridge, Tennessee", "site_country_iso3": "USA", "lat": 35.962, "lon": -84.39, "capacity_mwe_per_module": 0, "modules_planned": 1, "capacity_mwe_total": 0, "status": "under_construction", "regulator": "NRC", "regulator_stage": "Construction permit 2023-12; safety-related construction began 2025-05-01; NRC extended latest construction completion date from 2026-12-31 to 2029-04-30 (2026-04)", "key_milestone_date": "2026-04-22", "target_operation_year": 2028, "fuel": "TRISO-HALEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Kairos Power (DOE ARDP risk-reduction award)", "is_floating": false, "use_case": "research", "source_url": "https://world-nuclear-news.org/articles/regulator-extends-hermes-1-reactor-construction-deadline", "source_name": "WNN 2026-04-22", "as_of_date": "2026-10-09", "confidence": "high", "notes": "Non-power test reactor (35 MWt, 0 MWe). Kairos now expects construction complete in 2028 (slip from 2027). Federal Register 2026-05-18 records the extension order. Coordinates: approximate (ETTP)." }, { "project_id": "kairos-hermes-2-oak-ridge", "design": "Kairos Hermes 2 (KP-FHR demonstration, ~50 MWe)", "design_family": "MSR", "developer": "Kairos Power", "developer_country_iso3": "USA", "site_name": "Heritage Center (ETTP), Oak Ridge, Tennessee", "site_country_iso3": "USA", "lat": 35.962, "lon": -84.39, "capacity_mwe_per_module": 50, "modules_planned": 1, "capacity_mwe_total": 50, "status": "under_construction", "regulator": "NRC", "regulator_stage": "Construction permit 2024-11; groundbreaking 2026-04-17", "key_milestone_date": "2026-04-17", "target_operation_year": 2030, "fuel": "TRISO-HALEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "TVA grid delivery under PPA; Google (2024 master agreement, first deployment)", "is_floating": false, "use_case": "data_centre", "source_url": "https://www.kairospower.com/updates/kairos-power-breaks-ground-on-hermes-2-demonstration-plant", "source_name": "Kairos Power 2026-04-17", "as_of_date": "2026-10-09", "confidence": "high", "notes": "Up to 50 MWe to TVA grid supporting Google data centres in TN/AL. Target 2030 is from press coverage of the Google agreement (not stated in the Kairos release) — medium confidence on the year. Coordinates: approximate (ETTP)." }, { "project_id": "oklo-aurora-inl", "design": "Oklo Aurora Powerhouse (liquid-metal fast reactor, 75 MWe)", "design_family": "SFR", "developer": "Oklo Inc.", "developer_country_iso3": "USA", "site_name": "Idaho National Laboratory (DOE site-use permit area), Idaho", "site_country_iso3": "USA", "lat": 43.593, "lon": -112.655, "capacity_mwe_per_module": 75, "modules_planned": 1, "capacity_mwe_total": 75, "status": "under_construction", "regulator": "DOE (Reactor Pilot Program) / NRC pre-application", "regulator_stage": "Groundbreaking 2025-09; DOE PDSA approved 2026-06-11 under Reactor Pilot Program; NRC pre-application docket 99902095 (COLA phase-1 readiness assessment 2025; pre-phase-2 audit under review) — no COLA docketed", "key_milestone_date": "2026-06-11", "target_operation_year": null, "fuel": "HALEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Oklo (merchant; data-centre LOIs reported)", "is_floating": false, "use_case": "grid", "source_url": "https://www.ans.org/news/article-8178/the-deadline-arrives-checking-in-on-the-reactor-pilot-program/", "source_name": "ANS Nuclear News 2026-07-02 (RPP status)", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Metal HALEU fuel incl. ~5 t recovered from EBR-II (NEI 2025-03-26). Oklo gave no criticality date in RPP coverage. NRC page updated 2026-09-15 (https://www.nrc.gov/reactors/new-reactors/advanced/who-were-working-with/pre-application-activities/okla-aurora-powerhouse). Coordinates: INL MFC area, approximate." }, { "project_id": "holtec-smr300-palisades-pioneer", "design": "Holtec SMR-300 (Pioneer Units 1 and 2)", "design_family": "iPWR", "developer": "Holtec International (Hyundai E&C EPC partner)", "developer_country_iso3": "USA", "site_name": "Palisades site, Covert Township, Michigan", "site_country_iso3": "USA", "lat": 42.323, "lon": -86.315, "capacity_mwe_per_module": 300, "modules_planned": 2, "capacity_mwe_total": 600, "status": "licence_application", "regulator": "NRC", "regulator_stage": "Phase-1 construction permit application with limited work authorization submitted 2026-01 (Federal Register 2026-01-22); NRC accepted part 1 for review 2026-02; final SER/EIS expected 2027-03", "key_milestone_date": "2026-02-25", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Holtec Palisades LLC", "is_floating": false, "use_case": "grid", "source_url": "https://www.nucnet.org/news/us-nuclear-regulator-accepts-partial-construction-permit-application-for-palisades-smrs-2-3-2026", "source_name": "NucNet 2026-02-25", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Holtec has publicly targeted operation around 2030 (not confirmed in sources reviewed today -> target null). Hyundai E&C is Holtec's EPC/strategic partner for SMR-300 (not separately recorded). Coordinates: Palisades plant." }, { "project_id": "westinghouse-ap300", "design": "Westinghouse AP300", "design_family": "iPWR", "developer": "Westinghouse Electric Company", "developer_country_iso3": "USA", "site_name": null, "site_country_iso3": "USA", "lat": null, "lon": null, "capacity_mwe_per_module": 300, "modules_planned": null, "capacity_mwe_total": null, "status": "concept", "regulator": "NRC", "regulator_stage": "NRC pre-application (docket 99902111); regulatory engagement plan updated 2026-06-11; 11 white papers with NRC feedback; no DC/SDA application date published", "key_milestone_date": "2026-06-11", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "None firm; SaskPower-Cameco-Westinghouse MoU (Oct 2025) covers AP1000/AP300 pathways; Community Nuclear Power (UK Teesside, 4 units) agreement 2024", "is_floating": false, "use_case": "grid", "source_url": "https://www.nrc.gov/reactors/new-reactors/advanced/who-were-working-with/pre-application-activities/westinghouse", "source_name": "NRC AP300 pre-application page (updated 2026-09-08)", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "No named site with a regulatory filing; the 2024 UK Teesside (Community Nuclear Power) plan has no verified 2026 progress. Twelfth white paper (licensing application approach) marked 'no longer planned'." }, { "project_id": "newcleo-lfr-france", "design": "newcleo LFR-AS-30 demonstrator / LFR-AS-200", "design_family": "LFR", "developer": "newcleo", "developer_country_iso3": "GBR", "site_name": null, "site_country_iso3": "FRA", "lat": null, "lon": null, "capacity_mwe_per_module": 30, "modules_planned": 1, "capacity_mwe_total": 30, "status": "pre_licensing", "regulator": "ASNR", "regulator_stage": "Safety options dossier submitted to ASNR (reported 2026-01-15); construction authorisation applications for reactor and MOX fuel line planned before end-2027; public debate 2026", "key_milestone_date": "2026-01-15", "target_operation_year": 2032, "fuel": "other", "fuel_enrichment_pct": null, "customer_or_offtaker": "newcleo (merchant); MOX pilot line at Nogent-sur-Seine", "is_floating": false, "use_case": "grid", "source_url": "https://www.world-nuclear-news.org/articles/licensing-of-newcleos-smr-progresses-in-France", "source_name": "WNN 2026-01-15", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Fuel: MOX (uranium-plutonium oxide). Reactor site in France not named in the source (null coordinates). Module rating 30 MWe is the demonstrator (LFR-AS-30) per developer; not stated in source. WNN flags a related story on newcleo scaling back UK operations (not reviewed). FID for first commercial plant ~2029." }, { "project_id": "last-energy-pwr5-texas-am-rellis", "design": "Last Energy PWR-5 pilot (scaled PWR-20)", "design_family": "microreactor", "developer": "Last Energy", "developer_country_iso3": "USA", "site_name": "Texas A&M-RELLIS campus, Bryan, Texas", "site_country_iso3": "USA", "lat": 30.645, "lon": -96.473, "capacity_mwe_per_module": 5, "modules_planned": 1, "capacity_mwe_total": 5, "status": "under_construction", "regulator": "DOE (Reactor Pilot Program)", "regulator_stage": "PDSA approved by DOE late May 2026; final DSA submitted; building complete, critical components installed; criticality targeted summer 2026 pending DOE authorisation (not confirmed achieved as of 2026-10-09)", "key_milestone_date": "2026-05-29", "target_operation_year": 2026, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Last Energy / Texas A&M (pilot)", "is_floating": false, "use_case": "research", "source_url": "https://www.nucnet.org/news/us-doe-approves-pdsa-for-last-energy-pilot-nuclear-reactor-at-texas-university-5-5-2026", "source_name": "NucNet 2026-05-29", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Status per ANS 2026-07-02 RPP review. 5 MWe rating inferred from design name (PWR-5); not stated in sources. Coordinates: RELLIS campus, approximate." }, { "project_id": "last-energy-llynfi-wales", "design": "Last Energy PWR-20 (4 units)", "design_family": "microreactor", "developer": "Last Energy", "developer_country_iso3": "USA", "site_name": "Former Llynfi power station, Maesteg, Bridgend, Wales", "site_country_iso3": "GBR", "lat": 51.63, "lon": -3.66, "capacity_mwe_per_module": 20, "modules_planned": 4, "capacity_mwe_total": 80, "status": "pre_licensing", "regulator": "ONR / Natural Resources Wales", "regulator_stage": "'Key regulatory review' completed July 2025 (NucNet headline); no nuclear site licence application confirmed", "key_milestone_date": "2025-07-01", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Last Energy (private offtake model)", "is_floating": false, "use_case": "industrial_heat", "source_url": "https://www.nucnet.org/news/us-doe-approves-pdsa-for-last-energy-pilot-nuclear-reactor-at-texas-university-5-5-2026", "source_name": "NucNet related-story index (July 2025 review)", "as_of_date": "2026-10-09", "confidence": "low", "notes": "Only a headline-level 2025 reference verified today; 2026 status unknown. Last Energy also announced 30 units in Haskell County, Texas (Feb 2025) — not recorded separately (no filing). Coordinates: Llynfi site, approximate." }, { "project_id": "carem-25-lima", "design": "CAREM-25 prototype", "design_family": "iPWR", "developer": "CNEA", "developer_country_iso3": "ARG", "site_name": "Atucha site, Lima, Zárate Partido, Buenos Aires Province", "site_country_iso3": "ARG", "lat": -33.967, "lon": -59.205, "capacity_mwe_per_module": 25, "modules_planned": 1, "capacity_mwe_total": 25, "status": "on_hold", "regulator": "ARN", "regulator_stage": "Construction licence held since 2014 (first concrete 2014-02); construction halted 2024 amid layoffs; CNEA 'engineering revision stage'; no restart date", "key_milestone_date": "2024-09-17", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "CNEA / Nucleoeléctrica Argentina", "is_floating": false, "use_case": "research", "source_url": "https://www.neimagazine.com/news/argentinas-carem-25-smr-faces-setbacks/", "source_name": "NEI 2024-09-17", "as_of_date": "2026-10-09", "confidence": "low", "notes": "Reported ~85% complete (union figure). 25 MWe net / ~32 MWe gross. No 2025-2026 status update found in sources reviewed today — status may have changed; flagged as gap. Coordinates: Atucha site." }, { "project_id": "i-smr-korea", "design": "i-SMR (170 MWe x 4)", "design_family": "iPWR", "developer": "KHNP / KAERI (i-SMR Technology Development Project Group)", "developer_country_iso3": "KOR", "site_name": null, "site_country_iso3": "KOR", "lat": null, "lon": null, "capacity_mwe_per_module": 170, "modules_planned": 4, "capacity_mwe_total": 680, "status": "licence_application", "regulator": "NSSC", "regulator_stage": "Standard design approval application received by NSSC 2026-02-27; approval targeted 2028", "key_milestone_date": "2026-02-27", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Daegu Metropolitan City MoU (June 2024) for a 680 MWe plant near Daegu-Gyeongbuk New Airport; development from 2033", "is_floating": false, "use_case": "grid", "source_url": "https://www.world-nuclear-news.org/articles/standard-design-approval-sought-for-i-smr", "source_name": "WNN 2026-03-04", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Status refers to the design approval application (no site licence). No firm site -> null coordinates. NucNet reported two new large-reactor sites announced in Korea (June 2026) — not SMR-specific." }, { "project_id": "arc-100-point-lepreau", "design": "ARC-100 (sodium fast reactor)", "design_family": "SFR", "developer": "ARC Clean Technology", "developer_country_iso3": "CAN", "site_name": "Point Lepreau, New Brunswick", "site_country_iso3": "CAN", "lat": 45.07, "lon": -66.455, "capacity_mwe_per_module": 100, "modules_planned": 1, "capacity_mwe_total": 100, "status": "licence_application", "regulator": "CNSC", "regulator_stage": "Licence to Prepare Site application submitted 2023-06-30 — CNSC 'awaiting additional submissions from NB Power' (page updated 2026-01-26); CNSC VDR Phase 2 completed July 2025 ('no fundamental barriers')", "key_milestone_date": "2025-07-11", "target_operation_year": null, "fuel": "HALEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "NB Power", "is_floating": false, "use_case": "grid", "source_url": "https://www.cnsc-ccsn.gc.ca/eng/reactors/new-reactor-power-plant-projects/new-reactor-power-plant-facilities/nbpower/", "source_name": "CNSC NB Power ARC-100 page (updated 2026-01-26)", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Metallic uranium-alloy fuel (EBR-II lineage); HALEU classification per design, enrichment not stated. Provincial EIA ongoing. Coordinates: Point Lepreau NGS." }, { "project_id": "moltex-ssr-w-point-lepreau", "design": "Moltex SSR-W (Stable Salt Reactor-Wasteburner) + WATSS", "design_family": "MSR", "developer": "Moltex Energy (in UK administration; assets being acquired by Nuclea Energy)", "developer_country_iso3": "GBR", "site_name": "Point Lepreau, New Brunswick (prospective)", "site_country_iso3": "CAN", "lat": 45.07, "lon": -66.455, "capacity_mwe_per_module": 300, "modules_planned": 1, "capacity_mwe_total": 300, "status": "on_hold", "regulator": "CNSC", "regulator_stage": "No licence application; vendor in UK administration — Nuclea Energy Canada signed definitive asset purchase agreement 2026-08-13 (closing subject to UK NSI review)", "key_milestone_date": "2026-08-13", "target_operation_year": null, "fuel": "other", "fuel_enrichment_pct": null, "customer_or_offtaker": "NB Power / Province of New Brunswick (prior arrangements)", "is_floating": false, "use_case": "grid", "source_url": "https://finance.yahoo.com/energy/articles/nuclea-energy-enters-definitive-agreement-200500136.html", "source_name": "Nuclea Energy press release via Yahoo Finance 2026-08-13", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "SSR-W rated 300-500 MWe per release; 300 used as lower bound. Fuel: recycled used-fuel chloride salt (WATSS). Future of the Lepreau deployment not stated post-deal. Coordinates: Point Lepreau NGS." }, { "project_id": "terrestrial-imsr-texas-am-rellis", "design": "Terrestrial Energy IMSR (Project TETRA)", "design_family": "MSR", "developer": "Terrestrial Energy", "developer_country_iso3": "CAN", "site_name": "Texas A&M-RELLIS Energy Proving Ground, Bryan, Texas (77-acre lease)", "site_country_iso3": "USA", "lat": 30.645, "lon": -96.473, "capacity_mwe_per_module": 392, "modules_planned": 1, "capacity_mwe_total": 392, "status": "pre_licensing", "regulator": "NRC / DOE (Reactor Pilot Program OTA)", "regulator_stage": "DOE RPP OTA signed 2026-01; ground lease and research agreements with TAMUS signed 2026-06; NRC safety evaluation approving IMSR principal design criteria (late 2025); CPA not yet filed", "key_milestone_date": "2026-06-17", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Terrestrial Energy (merchant); Zachry Group engineering services", "is_floating": false, "use_case": "grid", "source_url": "https://www.ans.org/news/2026-06-23/article-8139/terrestrial-energy-and-texas-am-reach-agreement-on-reactor-siting/", "source_name": "ANS 2026-06-23", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "IMSR plant 392 MWe / 882 MWt per ANS; ANS RPP review lists 390 MWe. Pilot reactor demonstration under Project TETRA; commercial plant would need NRC CP. Coordinates: RELLIS, approximate." }, { "project_id": "nano-kronos-mmr-uiuc", "design": "NANO Nuclear KRONOS MMR (ex-USNC MMR, HTGR)", "design_family": "microreactor", "developer": "NANO Nuclear Energy (acquired USNC MMR/Pylon assets in Jan 2025 bankruptcy sale)", "developer_country_iso3": "USA", "site_name": "University of Illinois Urbana-Champaign, Illinois", "site_country_iso3": "USA", "lat": 40.102, "lon": -88.227, "capacity_mwe_per_module": null, "modules_planned": 1, "capacity_mwe_total": null, "status": "licence_application", "regulator": "NRC", "regulator_stage": "Construction permit application submitted by UIUC 2026-03-31; NRC accepted for review (announced 2026-05-20); review expected complete 2027; construction planned H2 2027", "key_milestone_date": "2026-05-20", "target_operation_year": null, "fuel": "TRISO-HALEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "University of Illinois (research/demonstration)", "is_floating": false, "use_case": "research", "source_url": "https://nanonuclearenergy.com/nano-nuclears-kronos-mmr-and-the-university-of-illinois-urbana-champaign-advance-to-next-regulatory-milestone-as-u-s-nrc-formally-accepts-construction-permit-application-for-review/", "source_name": "NANO Nuclear press release 2026-05-20", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Power rating not stated in source (USNC MMR was ~15 MWt / ~5 MWe). Fuel: TRISO per developer; HALEU classification not independently verified. USNC asset acquisition (Jan 2025) per NANO 10-K/press (not re-read today). Coordinates: UIUC campus." }, { "project_id": "antares-mark0-inl", "design": "Antares Mark-0 (zero-power test reactor)", "design_family": "microreactor", "developer": "Antares Nuclear", "developer_country_iso3": "USA", "site_name": "Idaho National Laboratory, Idaho", "site_country_iso3": "USA", "lat": 43.52, "lon": -112.95, "capacity_mwe_per_module": 0, "modules_planned": 1, "capacity_mwe_total": 0, "status": "operating", "regulator": "DOE (Reactor Pilot Program authorisation)", "regulator_stage": "Zero-power fuelled criticality achieved 2026-06-04 — first DOE Reactor Pilot Program criticality", "key_milestone_date": "2026-06-04", "target_operation_year": 2026, "fuel": null, "fuel_enrichment_pct": null, "customer_or_offtaker": "Antares (demonstration; R1 successor is TRISO-fuelled)", "is_floating": false, "use_case": "research", "source_url": "https://www.ans.org/news/article-8178/the-deadline-arrives-checking-in-on-the-reactor-pilot-program/", "source_name": "ANS Nuclear News 2026-07-02 (RPP status) + DOE releases", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "'Operating' here means a fuelled zero-power criticality demonstration, not power production. Fuel for Mark-0 not stated in sources (null). Coordinates: INL site centroid, approximate." }, { "project_id": "valar-ward250-utah-srel", "design": "Valar Atomics Ward 250 (helium-cooled, graphite-moderated HTGR)", "design_family": "microreactor", "developer": "Valar Atomics", "developer_country_iso3": "USA", "site_name": "Utah San Rafael Energy Lab, Emery County, Utah", "site_country_iso3": "USA", "lat": null, "lon": null, "capacity_mwe_per_module": null, "modules_planned": 1, "capacity_mwe_total": null, "status": "operating", "regulator": "DOE (Reactor Pilot Program authorisation)", "regulator_stage": "Zero-power fuelled criticality 2026-06-18 (second RPP criticality); 10 kWt output converted to electricity 2026-06-22", "key_milestone_date": "2026-06-18", "target_operation_year": 2026, "fuel": "TRISO-HALEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Valar Atomics (demonstration; Project Beehive campus planned in Utah)", "is_floating": false, "use_case": "research", "source_url": "https://www.world-nuclear-news.org/articles/valar-atomics-achieves-criticality-in-doe-reactor-pilot-program", "source_name": "WNN 2026-06-22 + ANS 2026-07-02", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Thermal rating given as 100 kWt (ANS) vs '5 MW' (WNN) — design vs demonstration power; left null. Fuel TRISO per WNN; HALEU classification not independently verified. Site coordinates not verified -> null." }, { "project_id": "deployable-energy-unity-inl", "design": "Deployable Energy Unity (water-moderated, gas-cooled microreactor, 1 MWe)", "design_family": "microreactor", "developer": "Deployable Energy", "developer_country_iso3": "USA", "site_name": "National Reactor Innovation Center, Idaho National Laboratory, Idaho", "site_country_iso3": "USA", "lat": 43.52, "lon": -112.95, "capacity_mwe_per_module": 1, "modules_planned": 1, "capacity_mwe_total": 1, "status": "operating", "regulator": "DOE (Reactor Pilot Program 'Launch Pad' authorisation)", "regulator_stage": "Zero-power fuelled criticality announced 2026-07-01 (third RPP criticality)", "key_milestone_date": "2026-07-01", "target_operation_year": 2026, "fuel": null, "fuel_enrichment_pct": null, "customer_or_offtaker": "Deployable Energy (demonstration); next in line for DOME testing (ANS 2026-10-02)", "is_floating": false, "use_case": "research", "source_url": "https://www.world-nuclear-news.org/articles/criticality-for-third-us-reactor-ahead-of-4-july-deadline", "source_name": "WNN 2026-07-02", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Added to the programme April 2026 via the Launch Pad track. Fuel not stated. Coordinates: INL centroid, approximate." }, { "project_id": "aalo-x-inl", "design": "Aalo-X (sodium-cooled, 10 MWe design)", "design_family": "SFR", "developer": "Aalo Atomics", "developer_country_iso3": "USA", "site_name": "Idaho National Laboratory, Idaho", "site_country_iso3": "USA", "lat": 43.52, "lon": -112.95, "capacity_mwe_per_module": 10, "modules_planned": 1, "capacity_mwe_total": 10, "status": "operating", "regulator": "DOE (Reactor Pilot Program authorisation)", "regulator_stage": "DSA approved 2026-04; zero-power fuelled criticality early 2026-07-04 — fourth RPP criticality, meeting the July 4 goal", "key_milestone_date": "2026-07-04", "target_operation_year": 2026, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Aalo Atomics (demonstration; data-centre product Aalo Pod)", "is_floating": false, "use_case": "research", "source_url": "https://www.energy.gov/articles/department-energy-celebrates-fourth-criticality-ahead-july-4th-goal", "source_name": "DOE 2026-07-06 + Neutron Bytes 2026-07-08", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Zero-power demonstration; full-power operation not reported. Fuel LEU per ANS. Coordinates: INL centroid, approximate." }, { "project_id": "radiant-kaleidos-dome-inl", "design": "Radiant Kaleidos (helium-cooled microreactor, ~1 MWe / 3 MWt)", "design_family": "microreactor", "developer": "Radiant Industries", "developer_country_iso3": "USA", "site_name": "NRIC DOME test bed, Idaho National Laboratory, Idaho", "site_country_iso3": "USA", "lat": 43.52, "lon": -112.95, "capacity_mwe_per_module": 1, "modules_planned": 1, "capacity_mwe_total": 1, "status": "under_construction", "regulator": "DOE (Reactor Pilot Program authorisation)", "regulator_stage": "PDSA approved 2026-02; first fuel tranche received 2026-07-01; five-phase test campaign (zero-power criticality then full power) planned summer 2026 — criticality not confirmed in sources reviewed", "key_milestone_date": "2026-07-01", "target_operation_year": 2026, "fuel": "TRISO-HALEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Radiant (customer deployments targeted 2028)", "is_floating": false, "use_case": "research", "source_url": "https://www.ans.org/news/article-8178/the-deadline-arrives-checking-in-on-the-reactor-pilot-program/", "source_name": "ANS Nuclear News 2026-07-02 (RPP status) + DOE releases", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "TRISO HALEU fuel fabricated by Standard Nuclear (ANS). Status 'under_construction' = installed at DOME awaiting fuel load/criticality. Coordinates: INL centroid, approximate." }, { "project_id": "deep-fission-gravity-parsons", "design": "Deep Fission Gravity (borehole PWR, 15 MWe)", "design_family": "microreactor", "developer": "Deep Fission", "developer_country_iso3": "USA", "site_name": "Parsons, Kansas (underground borehole ~1 mile deep)", "site_country_iso3": "USA", "lat": 37.34, "lon": -95.261, "capacity_mwe_per_module": 15, "modules_planned": 1, "capacity_mwe_total": 15, "status": "under_construction", "regulator": "DOE (Reactor Pilot Program)", "regulator_stage": "Groundbreaking 2025-12; 6,000-ft test well drilled; DOE safety approvals not reported as of 2026-07-02", "key_milestone_date": "2025-12-01", "target_operation_year": 2027, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Deep Fission (demonstration)", "is_floating": false, "use_case": "research", "source_url": "https://www.ans.org/news/article-8178/the-deadline-arrives-checking-in-on-the-reactor-pilot-program/", "source_name": "ANS Nuclear News 2026-07-02 (RPP status) + DOE releases", "as_of_date": "2026-10-09", "confidence": "low", "notes": "Full-power operations targeted H1 2027; initial criticality date not stated. PWR fuel (LEU assumed from reactor type, enrichment not stated). Coordinates: Parsons city-level." }, { "project_id": "oklo-isotopes-groves-lockhart", "design": "Groves Isotope Test Reactor (15 MWt pool-type, ex-Atomic Alchemy)", "design_family": "microreactor", "developer": "Oklo Isotopes (formerly Atomic Alchemy)", "developer_country_iso3": "USA", "site_name": "Lockhart, Texas", "site_country_iso3": "USA", "lat": 29.885, "lon": -97.67, "capacity_mwe_per_module": 0, "modules_planned": 1, "capacity_mwe_total": 0, "status": "licensed", "regulator": "DOE (Reactor Pilot Program authorisation)", "regulator_stage": "DOE DSA secured week of 2026-07-02; criticality planned July 2026 (achievement not confirmed in sources reviewed)", "key_milestone_date": "2026-07-02", "target_operation_year": 2026, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Oklo Isotopes (radioisotope production)", "is_floating": false, "use_case": "research", "source_url": "https://www.ans.org/news/article-8178/the-deadline-arrives-checking-in-on-the-reactor-pilot-program/", "source_name": "ANS Nuclear News 2026-07-02 (RPP status) + DOE releases", "as_of_date": "2026-10-09", "confidence": "low", "notes": "Non-power isotope test reactor (0 MWe). Whether criticality occurred after July 2 2026 is a known gap. Coordinates: Lockhart city-level." }, { "project_id": "natura-msr-1-abilene", "design": "Natura Resources MSR-1 (1 MWt molten salt research reactor)", "design_family": "MSR", "developer": "Natura Resources", "developer_country_iso3": "USA", "site_name": "Abilene Christian University (NEXT Lab/SERC), Abilene, Texas", "site_country_iso3": "USA", "lat": 32.47, "lon": -99.71, "capacity_mwe_per_module": 0, "modules_planned": 1, "capacity_mwe_total": 0, "status": "licensed", "regulator": "NRC (construction permit held by ACU) / DOE OTA", "regulator_stage": "NRC construction permit issued 2024-09 to ACU; DOE Reactor Pilot Program OTA announced 2025-12; operating licence not yet applied for per sources reviewed", "key_milestone_date": "2025-12-01", "target_operation_year": null, "fuel": "other", "fuel_enrichment_pct": null, "customer_or_offtaker": "Abilene Christian University (research)", "is_floating": false, "use_case": "research", "source_url": "https://www.ans.org/news/article-8178/the-deadline-arrives-checking-in-on-the-reactor-pilot-program/", "source_name": "ANS Nuclear News 2026-07-02 (RPP status) + DOE releases", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Fluoride fuel salt; enrichment not stated in sources (Natura has described HALEU fuel salt — not verified today). Coordinates: ACU campus, approximate." }, { "project_id": "steady-energy-ldr50-helsinki-pilot", "design": "Steady Energy LDR-50 (50 MWt district-heating reactor)", "design_family": "iPWR", "developer": "Steady Energy", "developer_country_iso3": "FIN", "site_name": "Pilot plant inside a decommissioned coal plant, Helsinki (exact plant not named in source)", "site_country_iso3": "FIN", "lat": 60.17, "lon": 24.94, "capacity_mwe_per_module": 0, "modules_planned": 1, "capacity_mwe_total": 0, "status": "pre_licensing", "regulator": "STUK", "regulator_stage": "STUK-led international joint early review closure report published 2026-07-06 (SSM, PAA, SÚJB, SNRIU participated) — not a licensing decision; documentation 'not yet sufficiently detailed' to launch formal licensing", "key_milestone_date": "2026-07-06", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "Finnish municipal utilities (Kuopion Energia, Helen and others have cooperation/assessment agreements)", "is_floating": false, "use_case": "district_heating", "source_url": "https://smr.nucnet.org/news/finland-s-regulator-publishes-joint-early-review-of-steady-energy-small-modular-reactor-7-1-2026", "source_name": "NucNet SMR 2026-07-06", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Heat-only (0 MWe; 50 MWt per developer design, not stated in source). Pilot described as 'being built' in Helsinki; whether the pilot is nuclear or electrically heated is not stated. Coordinates: Helsinki city centroid (not site-level)." }, { "project_id": "blykalla-sealer-norrsundet", "design": "Blykalla SEALER-55 (lead-cooled fast reactor) x6", "design_family": "LFR", "developer": "Blykalla", "developer_country_iso3": "SWE", "site_name": "Norrsundet, Gävle municipality", "site_country_iso3": "SWE", "lat": 60.933, "lon": 17.15, "capacity_mwe_per_module": 55, "modules_planned": 6, "capacity_mwe_total": 330, "status": "licence_application", "regulator": "Swedish Government / SSM / Land and Environment Court", "regulator_stage": "Application to the Swedish government for a six-reactor park submitted 2026-05-18 (announced); SSM and court processes to follow; second park application (up to 440 MW) reported Aug 2026", "key_milestone_date": "2026-05-18", "target_operation_year": null, "fuel": null, "fuel_enrichment_pct": null, "customer_or_offtaker": "Blykalla (merchant); Oklo partnership (2025)", "is_floating": false, "use_case": "grid", "source_url": "https://www.ans.org/news/2026-05-20/article-8057/blykalla-submits-application-for-sixsmr-site-in-sweden/", "source_name": "ANS 2026-05-20", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "'Early 2030s' operation if approved (no year). Fuel type/enrichment not stated (SEALER design uses UO2 at >5% enrichment per developer literature — not verified today -> null). Coordinates: Norrsundet, approximate." }, { "project_id": "copenhagen-atomics-psi-critical-experiment", "design": "Copenhagen Atomics thorium molten-salt critical experiment ('Onion Core')", "design_family": "MSR", "developer": "Copenhagen Atomics", "developer_country_iso3": "DNK", "site_name": "Paul Scherrer Institute, Villigen, Aargau", "site_country_iso3": "CHE", "lat": 47.536, "lon": 8.231, "capacity_mwe_per_module": 0, "modules_planned": 1, "capacity_mwe_total": 0, "status": "pre_licensing", "regulator": "ENSI", "regulator_stage": "Collaboration agreement with PSI signed July 2024 targeting a critical experiment in 2026; Swiss licensing status and 2026 execution not confirmed in sources reviewed", "key_milestone_date": "2024-07-03", "target_operation_year": 2026, "fuel": "other", "fuel_enrichment_pct": null, "customer_or_offtaker": "Copenhagen Atomics / PSI (research)", "is_floating": false, "use_case": "research", "source_url": "https://www.neimagazine.com/news/danish-swiss-partnership-to-launch-europes-first-thorium-molten-salt-reactor-test/", "source_name": "NEI 2024-07-03", "as_of_date": "2026-10-09", "confidence": "low", "notes": "Fuel: lithium-thorium-LEU fluoride salt. Whether the 2026 critical experiment has taken place is a known gap. Coordinates: PSI campus." }, { "project_id": "saltfoss-cmsr-power-barge", "design": "Saltfoss (ex-Seaborg) Compact Molten Salt Reactor power barge", "design_family": "floating", "developer": "Saltfoss Energy (renamed from Seaborg Technologies, April 2025)", "developer_country_iso3": "DNK", "site_name": null, "site_country_iso3": "KOR", "lat": null, "lon": null, "capacity_mwe_per_module": 100, "modules_planned": null, "capacity_mwe_total": null, "status": "concept", "regulator": "none (pre-licensing engagement in South Korea reported)", "regulator_stage": "No licence application; first power barge hoped for H1 2030", "key_milestone_date": "2025-04-01", "target_operation_year": 2030, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "None firm (Samsung Heavy Industries barge partnership; Norsk Kjernekraft study)", "is_floating": true, "use_case": "grid", "source_url": "https://en.wikipedia.org/wiki/Saltfoss_Energy", "source_name": "Wikipedia (Saltfoss Energy) — tertiary", "as_of_date": "2026-10-09", "confidence": "low", "notes": "Tertiary source only; 2025-2026 funding/licensing status not verified. Switched first-generation design from HALEU to LEU (2023)." }, { "project_id": "thorizon-one-borssele", "design": "Thorizon One (250 MWt / 100 MWe MSR)", "design_family": "MSR", "developer": "Thorizon", "developer_country_iso3": "NLD", "site_name": "Borssele site, Zeeland (pre-feasibility validated)", "site_country_iso3": "NLD", "lat": 51.431, "lon": 3.718, "capacity_mwe_per_module": 100, "modules_planned": 1, "capacity_mwe_total": 100, "status": "pre_licensing", "regulator": "ANVS", "regulator_stage": "MoU (Thorizon, EPZ, NRG-Pallas, provinces, Invest-NL) signed 2026-04-17 setting construction target 2034; no licence application", "key_milestone_date": "2026-04-17", "target_operation_year": null, "fuel": "other", "fuel_enrichment_pct": null, "customer_or_offtaker": "EPZ (investigating owner/operator role)", "is_floating": false, "use_case": "grid", "source_url": "https://world-nuclear-news.org/articles/dutch-agreement-paves-way-for-construction-of-commercial-msr", "source_name": "WNN 2026-04-17", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Fuel: cartridges of molten salt combining long-lived actinides from reprocessed used fuel with thorium. Companion 'Thorizon Pioneer' non-commercial demonstrator planned at Petten (NRG-Pallas owner/licensee, construction by 2028) — recorded separately. Coordinates: Borssele NPP." }, { "project_id": "thorizon-pioneer-petten", "design": "Thorizon Pioneer (non-power MSR demonstrator)", "design_family": "MSR", "developer": "Thorizon", "developer_country_iso3": "NLD", "site_name": "NRG-Pallas Energy & Health Campus, Petten, North Holland", "site_country_iso3": "NLD", "lat": 52.785, "lon": 4.675, "capacity_mwe_per_module": 0, "modules_planned": 1, "capacity_mwe_total": 0, "status": "pre_licensing", "regulator": "ANVS", "regulator_stage": "MoU 2026-04-17 targets construction by 2028; NRG-Pallas to be owner, licensee and operator; no licence application", "key_milestone_date": "2026-04-17", "target_operation_year": null, "fuel": "other", "fuel_enrichment_pct": null, "customer_or_offtaker": "NRG-Pallas (research)", "is_floating": false, "use_case": "research", "source_url": "https://world-nuclear-news.org/articles/dutch-agreement-paves-way-for-construction-of-commercial-msr", "source_name": "WNN 2026-04-17", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "Core-validation demonstrator without electricity production. Coordinates: Petten research site." }, { "project_id": "nuward-edf", "design": "EDF Nuward (redesigned; 2x170 MWe reference)", "design_family": "iPWR", "developer": "Nuward (EDF subsidiary)", "developer_country_iso3": "FRA", "site_name": null, "site_country_iso3": "FRA", "lat": null, "lon": null, "capacity_mwe_per_module": 170, "modules_planned": 2, "capacity_mwe_total": 340, "status": "concept", "regulator": "ASNR", "regulator_stage": "Design relaunched with proven technologies after 2024 pause; conceptual design due mid-2026, detailed design 2031; no licensing application", "key_milestone_date": "2026-04-21", "target_operation_year": null, "fuel": "LEU", "fuel_enrichment_pct": null, "customer_or_offtaker": "None firm; first fleet of 3-4 reactors envisaged in one or two European countries", "is_floating": false, "use_case": "grid", "source_url": "https://www.nucnet.org/news/after-optimisation-delay-france-s-nuward-targets-new-conceptual-smr-design-this-year-4-2-2026", "source_name": "NucNet 2026-04-21", "as_of_date": "2026-10-09", "confidence": "medium", "notes": "EDF announced in July 2024 it would simplify the design using existing technologies (WNN 'EDF to modify Nuward design'); whether the 2x170 MWe configuration survives the redesign is not confirmed." }, { "project_id": "thorcon-tmsr-500-kelasa", "design": "ThorCon TMSR-500 (shipyard-built molten salt plant)", "design_family": "MSR", "developer": "ThorCon International", "developer_country_iso3": "USA", "site_name": "Kelasa Island, Bangka Belitung", "site_country_iso3": "IDN", "lat": null, "lon": null, "capacity_mwe_per_module": 250, "modules_planned": 2, "capacity_mwe_total": 500, "status": "pre_licensing", "regulator": "BAPETEN", "regulator_stage": "BAPETEN approved site evaluation plan and site evaluation management system plan (reported 2025-08-06) — first licensing step; no construction licence", "key_milestone_date": "2025-08-06", "target_operation_year": null, "fuel": "other", "fuel_enrichment_pct": null, "customer_or_offtaker": "ThorCon / PLN (prospective)", "is_floating": false, "use_case": "grid", "source_url": "https://www.ans.org/news/2025-08-06/article-7260/thorcon-project-takes-forward-step-in-indonesia/", "source_name": "ANS 2025-08-06", "as_of_date": "2026-10-09", "confidence": "low", "notes": "Hull-type plant built in shipyard, installed at shore (not free-floating). 2x250 MWe configuration and fuel (LEU + thorium fluoride salt) from developer literature, not verified today. Site coordinates not verified -> null." }, { "project_id": "philippines-mgen-smr-roadmap", "design": "Undetermined US SMR design (USTDA-funded review)", "design_family": "iPWR", "developer": "Meralco PowerGen (MGEN) with US vendors TBD", "developer_country_iso3": "PHL", "site_name": null, "site_country_iso3": "PHL", "lat": null, "lon": null, "capacity_mwe_per_module": null, "modules_planned": null, "capacity_mwe_total": null, "status": "concept", "regulator": "PNRI / PhilATOM", "regulator_stage": "USTDA USD 2.7m technical assistance to MGEN for SMR design review and roadmap announced 2026-02-16; DOE circular grants first NPP priority dispatch", "key_milestone_date": "2026-02-16", "target_operation_year": 2032, "fuel": null, "fuel_enrichment_pct": null, "customer_or_offtaker": "Meralco PowerGen", "is_floating": false, "use_case": "grid", "source_url": "https://www.world-nuclear-news.org/articles/us-touts-smr-designs-to-the-philippines", "source_name": "WNN 2026-02-17", "as_of_date": "2026-10-09", "confidence": "low", "notes": "National target 1,200 MW nuclear by 2032 (not SMR-specific). design_family placeholder; no design chosen." }, { "project_id": "kenya-smr-plans", "design": "Undetermined (100-300 MW SMR options under study)", "design_family": "iPWR", "developer": "Nuclear Power and Energy Agency (Kenya)", "developer_country_iso3": "KEN", "site_name": null, "site_country_iso3": "KEN", "lat": null, "lon": null, "capacity_mwe_per_module": null, "modules_planned": null, "capacity_mwe_total": null, "status": "concept", "regulator": "KNRA", "regulator_stage": "No licence application; groundbreaking for first NPP targeted by March 2027, commissioning 2034 (CNNC MoU March 2025)", "key_milestone_date": "2025-03-01", "target_operation_year": 2034, "fuel": null, "fuel_enrichment_pct": null, "customer_or_offtaker": "Government of Kenya", "is_floating": false, "use_case": "grid", "source_url": "https://energyforgrowth.org/article/2026-update-who-in-africa-is-ready-for-nuclear-power/", "source_name": "Energy for Growth Hub 2026-09-17", "as_of_date": "2026-10-09", "confidence": "low", "notes": "Kenya's primary plan is a large reactor (Kilifi/Kwale region); SMR interest is at funding-model stage. design_family placeholder." } ] }