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TerraPower is a nuclear reactor design company headquartered in Bellevue, Washington, in the United States. TerraPower is a class of nuclear fast reactors called the traveling wave reactor . Unlike standard light water reactors such as PWRs or BWRs that operate by using enriched uranium as fuel, TWR uses depleted uranium instead, with an estimated operation period from 40 to 60 years. The byproduct of the Uranium-235 fission can be re-used for other TWR reactors.

TerraPower, LLC
Private
Industry Nuclear Power
Headquarters Bellevue, Washington, USA
Key people
Lee McIntire, CEO
Bill Gates , Chairman of the Board
Products Traveling wave reactor
Website terrapower.com

TerraPower is a nuclear reactor design company headquartered in Bellevue, Washington, in the United States. TerraPower is a class of nuclear fast reactors called the traveling wave reactor (TWR). Unlike standard light water reactors such as PWRs or BWRs that operate by using enriched uranium as fuel, TWR uses depleted uranium instead, with an estimated operation period from 40 to 60 years. The byproduct of the Uranium-235 fission can be re-used for other TWR reactors.

In September 2015 TerraPower signed an agreement with the China National Nuclear Corporation to build a prototype 600 MWe reactor unit at Xiapu in Fujian province, China during 2018 to 2025. Commercial power plants, generating about 1150 MWe, are planned for the late 2020s.