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December 20, 2022

New 7.4-megawatt FuelCell project goes online at Groton Navy base

PHOTO | CONTRIBUTED Fuel cell at the U.S. Navy Submarine Base in Groton.

FuelCell Energy of Danbury announced Monday that its 7.4-megawatt fuel cell project at the U.S. Navy Submarine Base in Groton had gone online, beginning commercial operation (COD) on Dec. 16.

The Groton fuel cell will operate at 6 megawatts during its first year of operation, bringing the company’s generation operating portfolio to a total of 43.7 megawatts, according to a statement.

FuelCell Energy President and CEO Jason Few said, “We are excited to announce COD of our grid resiliency and micro-grid-ready clean energy project at the U.S. Navy Submarine Base, bringing cleantech innovation to our country’s most critical infrastructure.”

FuelCell Energy partnered with East West Bank on a $15 million tax equity financing transaction to build the Groton project over three years. 

Earlier this month, FuelCell Energy announced the launch of its new solid oxide electrolyzer and solid oxide fuel cell platform, geared toward the low-cost production of clean hydrogen and power.

Contact Liese Klein at

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