Noresco will expand a Navy microgrid at a submarine base in Groton, Connecticut, under an $83.1 million energy savings performance contract.
The main part of the project involves expanding the on-site cogeneration capacity and microgrid system at the Naval Submarine Base New London (SUBASE NLON).
During grid outages, the measures will support 100% of the power requirements for SUBASE NLON’s mission-critical piers and nuclear submarines in port, according to Noresco, a United Technologies unit.
The project includes energy conservation measures driven by new microgrid capabilities with electrical infrastructure upgrades, steam distribution system improvements, new LED lighting, and a new base-wide cybersecure energy management controls system, according to the Westborough, Massachusetts-based company.
Besides paying for the capital improvements, Noresco said it expects to spend $64 million in operations and maintenance over an 18-year performance period to be paid through energy savings.
Noresco has 34 US Navy energy savings projects, totaling more than $1 billion in guaranteed savings, according to Natasha Shah, Noresco vice president.
In 2018, Connecticut Municipal Electric Energy Cooperative (CMEEC), the Navy and FuelCell Energy broke ground on 7.4-MW fuel cell project that is designed to support the base’s microgrid.
Connecticut provided $1.1 million in bond funding for the microgrid design and gave CMEEC a $5 million grant to fund part of the microgrid project.
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