Middlesex County is Massachusetts' most populous county, encompassing the Greater Boston suburbs from Cambridge and Somerville through Lowell, the Route 128 tech corridor, and affluent MetroWest communities like Newton, Lexington, and Weston — where high household incomes, very high electricity rates, and strong environmental awareness make it the state's most active solar market.
Middlesex County is Massachusetts' most populous county, encompassing the Greater Boston suburbs from Cambridge and Somerville through Lowell, the Route 128 tech corridor, and affluent MetroWest communities like Newton, Lexington, and Weston — where high household incomes, very high electricity rates, and strong environmental awareness make it the state's most active solar market.
Primary utility: Eversource / National Grid — eligible for MA net metering and SMART program enrollment. Average monthly bills: $140–$185/month. Typical payback: 5–8 years.
HomeRateMap connects Middlesex County homeowners with licensed MA solar installers. Free quotes, no commitment.
Excess solar production is credited to your Eversource / National Grid account at the retail rate. Your installer handles the interconnection application.
Gross cost: $21,000–$35,000 before incentives. After 30% ITC: $14,700–$24,500. SMART program and net metering reduce effective cost further over 10–25 years.
2 minutes. No commitment. Licensed MA installers only.