Over a Century of Commitment to Sterling, MA
About Sterling Municipal
Light Department
Serving Sterling since 1910, SMLD delivers reliable, affordable electricity and fast fiber internet—using modern technology to support a sustainable future for our community.
A Legacy of Service
Our History
Founded in 1910, SMLD was built on the principle of being “owned by the people it serves.” Over the decades, we’ve grown to become a leader in municipal utilities, balancing tradition with innovation. From installing the first electric lines in Sterling to being early adopters of technologies like smart metering and energy storage, our focus has always been on empowering our community.
Powering Sterling
First electric lines were installed, bringing reliable electricity to homes and businesses across Sterling.
Exceptional Reliability
Achieved 99.996% energy availability in 2024, ensuring consistent, dependable service for the community.
Expanding Connectivity
Launched LAMB fiber to deliver fast, modern internet and strengthen local connectivity.
Giving Back Locally
Community at the Heart of What We Do
Free Wi-Fi at the Sterling Fair
Keeping you connected during community events.
Holiday Lights on the Town Common
Brightening your holidays with energy-efficient LED displays.
Rebates and Incentives
Enabling energy-efficient upgrades with programs like NextZero.
Better Together
Our Trusted Partners
None of the strides we’ve made over the years would have been possible without the invaluable collaboration of our trusted partners. Their expertise and support help us deliver the best services to you.
A Bright Future Ahead
At SMLD, we blend innovation with over a century of trusted values—advancing renewable energy and fiber connectivity to build a more connected, sustainable Sterling.