Companies · Nuclear, fuel and SMR · data
TerraPower, LLC
Profile
TerraPower, founded by Bill Gates, is building the Natrium sodium-cooled fast reactor with molten-salt storage (345 MWe base, 500 MWe peak) at Kemmerer, Wyoming with PacifiCorp and DOE ARDP cost share. The NRC Commission approved the construction permit on 4 Mar 2026 - the first US commercial advanced-reactor permit - and nuclear construction began in spring 2026; completion is targeted for 2030 and commercial operation 2031 (ANS 21 Sep 2026). Bechtel exited as EPC in September 2026 and the contract is being rebid. The plant will use HALEU metallic fuel. Private; no market data apply.
Source: the SMR projects dataset (TerraPower release 4 Mar 2026; ANS 21 Sep 2026), 9 Oct 2026 · confidence highKey projects
| Project | Country | Stage | Note | Map |
|---|---|---|---|---|
| TerraPower Natrium (SFR + molten-salt storage) - Kemmerer Power Station Unit 1, near Naughton plant, Kemmerer, Wyoming | USA | Under construction | Regulator stage as of 9 Oct 2026: NRC Commission approved construction permit 4 Mar 2026 (first US commercial advanced-reactor CP); ground broken on nuclear plant spring 2026 | open on the map |
Deals
| Date | Type | Deal | Status | Capacity MW | Value |
|---|---|---|---|---|---|
| 4 Mar 2026 | Licensing milestone | NRC approves construction permit for TerraPower Natrium unit at Kemmerer, Wyoming | Completed | 345 | n/a |
| 9 Jan 2026 | PPA | Meta announces agreements with Vistra, TerraPower and Oklo for up to 6.6 GW by 2035 | Signed | 6,600 | n/a |
Documents
| Document | Type | Date |
|---|---|---|
| TerraPower: NRC approves Natrium reactor construction permit | Press release | 4 Mar 2026 |
Chart
TradingView symbol: n/a · private, unlisted
- Market cap, USD
- n/a · private, unlisted
- Market cap, local
- n/a · private, unlisted