{"data":{"slug":"terrapower-natrium","etype":"power","name":"TerraPower Natrium (Kemmerer)","cat":"SMR Program","subtitle":"The most advanced new-reactor site in America, on a retiring coal town.","summary":"TerraPower began non-nuclear construction at Kemmerer, Wyoming in June 2024: a 345 MW sodium-cooled Natrium reactor with molten-salt storage that can flex to 500 MW — sited beside a retiring coal plant to reuse its grid connection and workforce. Target operation ~2030; its NRC review is the pathfinder for advanced-reactor licensing.","attrs":[{"b":"Official","g":"Overview","l":"Developer","v":"TerraPower (founded by Bill Gates)"},{"b":"Official","g":"Overview","l":"Capacity","v":"345 MW base / 500 MW with storage boost"},{"b":"Official","g":"Overview","l":"Construction start","v":"June 2024 (non-nuclear scope)"}],"kf":{"type":"Advanced reactor","status":"Construction","capacity":"345 MW (500 MW peak)"},"aliases":["Natrium","Kemmerer reactor"],"ticker":null,"exchange":null,"hq":null,"founded":null,"website":null,"status":"Under construction","region":"Kemmerer, Wyoming, US","asof":"2026-01-15","sources":[{"url":"https://www.terrapower.com/natrium/","label":"TerraPower Natrium"}]},"meta":{"found":true,"count":1,"served_from":"site cache (no live upstream calls)","as_of":"2026-10-14T06:51:17+00:00","disclaimer":"Research and information only — not investment advice. Structured records carry basis labels (vendor spec / reported / estimate); market quotes are delayed/indicative.","attribution":"Records compiled from vendor documentation, official filings and reputable public reporting; market quotes via financial data providers. See /data-sources."}}