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City in Massachusetts launches solar-powered microgrid project

The City of Chelsea in the US state of Massachusetts has launched a solar-powered, cloud-based microgrid project, the first phase of which began on 2nd December involving a three-day installation of hundreds of solar panels on the City Yard building.
City in Massachusetts launches solar-powered microgrid project
Courtesy of City of Chelsea, MA.

The installation marks the start of a localised energy network that will provide reliable, clean energy during peak demand periods and power outages. It will power the City Yard using a combination of solar energy, battery storage, and renewable fuel-powered generators. In the event of a power failure, the microgrid will be able to ‘island’ from the main grid, ensuring that essential services remain operational and that the City’s most vulnerable residents are protected.

The vision for Chelsea’s microgrid began in 2000, following a significant power outage that exposed the city's vulnerability. Over time, this project will expand to include more key city buildings - starting with City Yard, City Hall, and the police station - and will ultimately extend to public housing complexes, ensuring that the city can remain resilient in the face of future climate challenges.

“This microgrid is a critical infrastructure project for the City of Chelsea, where extreme weather events and power disruptions could become more frequent” said Fidel Maltez, City Manager of Chelsea. “By transitioning to clean, renewable energy, we are ensuring that our community, especially our most vulnerable populations, will have access to reliable power during outages. This is about enhancing public safety, reducing our carbon footprint, and building a sustainable future for all our residents. By utilising cloud-based software, our microgrid can operate autonomously, adjusting energy use and maintaining resilience when needed most. This project will provide reliable, renewable energy to all Chelsea residents, ensuring we are prepared for any power disruptions or extreme weather events that may occur.”

With the solar panel installation at City Yard, Chelsea is taking the first step toward reducing its reliance on the conventional power grid, increasing energy autonomy, and mitigating the effects of climate change. As the microgrid grows, it will not only ensure continuity of critical services but also offer the opportunity to sell excess energy back to the grid, providing cost savings for the community.

“After years of work on this we are very excited to see our microgrid project move forward with tangible assets installed in our community” added Sari Kayyali, Microgrid Manager at GreenRoots. “This is the first step in our efforts to realize an energy system that is not only more resilient and sustainable, but also a system that provides direct benefits to and is more responsive to our community.”

The City has received funding for this project through state grants, including the Municipal Vulnerability Preparedness Program and the Green Communities Program, with plans to expand as additional funding becomes available.

For additional information:

City of Chelsea

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