Timely New Video Shows Cities and Towns How Energy Storage Can Protect Critical Facilities During Extreme Storms while Saving Money

Sterling, MA is saving $400k/year with their battery storage system from NEC Energy Solutions

A new video showcasing the Sterling Municipal Light Department’s award-winning energy storage system premiered yesterday at the Solar Power International/Energy Storage International conference in Las Vegas and at the Innovation Northeast’s Energy Storage & Microgrid conference in Boston. The video highlights the municipal utility’s energy storage microgrid, which is bringing both economic and resiliency benefits to the town of Sterling, Massachusetts. The groundbreaking energy storage project is the result of a collaboration among municipal, state, federal, industry, philanthropy, and nonprofit partners.

The video, produced by Clean Energy Group and the Clean Energy States Alliance, details the economic case for the battery storage system and includes an animation sequence on how the energy storage system works, how it is saving the town of Sterling money, and how it will provide backup power to the town’s police station and emergency dispatch center in the event of a long-duration power outage. The video is available at http://bit.ly/CEG-Sterling.

The 2-megawatt, 3.9 megawatt-hour battery storage system, installed at the Sterling Municipal Light Department (SMLD) Chocksett Road Substation, is expected to save the town’s ratepayers at least $400,000 per year by decreasing costs associated with capacity and transmission charges from the regional power services supplier, ISO New England. Sterling will be able to lower its demand for grid services from the ISO by discharging the battery system during times of regional peak demand. The project demonstrates a strong investment strategy for municipal energy storage: With the help of grants, this $2.7 million project is expected pay for itself in just over two years; and even without the grants, the payback period would likely be fewer than seven years.

According to Sean Hamilton, general manager at SMLD, “Sterling’s energy storage system is proving that energy storage works, and it can save a town substantial money. So far, the system has enabled savings in excess of $350,000 in nine months – these savings will directly benefit Sterling’s ratepayers. More towns need…

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