Programmes and agreements / prg-us-pacificorp-terrapower-natrium-study
PacifiCorp and TerraPower joint study of up to five additional Natrium reactors by 2035
TerraPower and PacifiCorp announced in October 2022 a joint study of the feasibility of deploying up to five additional Natrium reactor and storage systems in PacifiCorp's service territory by 2035, including sites near existing fossil plants. It is a study, subject to PacifiCorp resource planning and regulatory approval, no site, order or licence application is recorded.
- Type
- Feasibility or siting study
- Countries concerned
- United States
- Participants and roles
- Utility: PacifiCorp
- Developer or vendor: TerraPower
- Designs named
- Natrium
- Scale as stated
- up to five additional Natrium reactor and integrated energy storage systems by 2035 · 5 units stated
- Announced or first reported
- 27 Oct 2022
- Status
- Status not established
Joint feasibility study, outcome after 2022 not verified, no site named. - Confidence
- medium
- Last checked
- 2026-10-14 (record review date, not proof of current activity)
Related deployment projects
- Natrium Kemmerer Unit 1 — Construction · United States
Sources
- TerraPower and PacifiCorp announce efforts to expand Natrium technology deployment (company_primary, published 27 Oct 2022, accessed 2026-10-14)