TerraPower
Nuclear reactor design company
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| April 2025 | TerraPower notified the British Office for Nuclear Regulation of its intent to enter the Generic Design Assessment process for the Natrium reactor. |
| 2024 | TerraPower selected Kemmerer, Wyoming as the site for a 345 MWe Natrium reactor with molten salt energy storage system. |
| June 10 2024 | Groundbreaking ceremony held for the Natrium reactor project in Kemmerer, marking the official start of the advanced nuclear power plant construction. |
| 2023 | US Department of Energy announced a project for TerraPower to build a test reactor using high-enriched uranium (HEU) with up to 90% enrichment, which conflicts with the long-term national goal of removing HEU from reactors. |
| 2022 | SK Group agreed to invest $250 million in TerraPower, with the investment round co-led by SK Inc, SK Innovation, and Bill Gates. |
| February 2022 | TerraPower and Southern Company agreed to build a demonstration fast-spectrum salt reactor at Idaho National Laboratory (INL). |
| November 16 2021 | Kemmerer, Wyoming was selected as the site for the Natrium demonstration reactor from four potential Wyoming cities impacted by fossil-fuel power plant closures. |
| June 2021 | TerraPower and PacifiCorp announced plans to collaborate on building a joint Natrium reactor, leveraging advanced sodium fast reactor technology with integrated energy storage. |
| October 2020 | TerraPower was selected by the United States Department of Energy to receive a matching grant between $400 million and $4 billion to build a demonstration reactor using their 'Natrium' sodium-cooled design over the next 5 to 7 years. |
| January 2019 | TerraPower abandoned the China reactor project due to technology transfer limitations imposed by the Trump administration. |
| October 2015 | TerraPower began investigating a molten salt reactor design in collaboration with Southern Company as an alternative nuclear technology. |
| September 2015 | TerraPower signed an agreement with China National Nuclear Corporation to build a prototype 600 MWe reactor unit in Xiapu, Fujian province, China, with planned construction from 2018 to 2025. |
| December 2011 | India's Reliance Industries bought a minority stake in TerraPower, and its Chairman Mukesh Ambani joined the board. |
| 2010 | Khosla Ventures reportedly invested $35 million in TerraPower. |
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