US DoE to further decarbonize US electrical grid with g3 gas technology

GE announced it has been awarded a total of US $3.7 million in funding from the U.S. Department of Energy’s Advanced Research Projects Agency-Energy (ARPA-E) for two related projects to help accelerate the decarbonization of the U.S. electrical grid.

The first award in the amount of $2.3 million to GE Renewable Energy’s Grid Solutions business relates to the development of a sulfur hexafluoride (SF6)-free 245 kilovolt (kV) dead tank circuit-breaker1. The new circuit-breaker will use GE’s game-changing g3 (pronounced “g”- cubed) gas insulating and switching technology, which has a global warming potential that is 99% less compared with SF62, to deliver the same high performance as a traditional SF6 circuit-breaker. As g3 products have the same dimensions as SF6 equipment, there is no increase in emissions during the manufacturing process from additional material.

The second award to GE Research Center in the amount $1.4 million is part of a $2.7 million project led by the University of Connecticut that will focus on the life cycle management of g3 products, mainly gas leakages and byproduct detection, capture and monitoring tools.

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