Sunrun provides residential solar and battery storage for homeowners in Billerica, MA. We design and install custom home energy systems that help reduce electricity costs and keep homes powered during outages. With over 1 million customers nationwide, our Billerica, MA team makes switching to solar straightforward with expert installation and flexible options, including a $0-down Subscription Plan that lets you add solar and battery storage with no upfront cost. Every system includes long-term service, monitoring, and warranties to support reliable energy for years to come.