Town of Wellesley and solar
Town of Wellesley is a municipal utility serving about 9,338 homes in Massachusetts. Here's what its rates and export rules mean for solar: for a typical customer, solar is worth it.
- Average price (2026 est.)
- 16.1¢47% below Massachusetts average
- Typical bill
- $1631,013 kWh a month
- Exports credited
- RetailFull retail net metering
- Typical payback
- 12.4 yrs9.4 kW, cash
Export rules for Town of Wellesley customers
Full retail net metering (Massachusetts rule).
Massachusetts investor-owned utilities credit residential solar exports at close to the full retail rate (net metering credits), and credits roll over indefinitely. On top of that, the SMART 3.0 program pays a fixed per-kWh incentive for 20 years.
Solar for a typical Town of Wellesley home
| System | 9.4 kW (100% of 1,013 kWh/month) |
|---|---|
| Cost | $30,290, $29,290 after incentives |
| First-year savings | $1,868 |
| Payback | 12.4 years |
| 25-year net | $41,348 |
Uses the utility's average price.
Solar adoption
- Homes with solar (2025)
- 164
- Share of customers
- 1.8%
- Residential solar capacity
- 1 MW
- Residential customers
- 9,338
EIA-861, 2025.
Questions about Town of Wellesley and solar
Does Town of Wellesley have net metering?
Town of Wellesley follows Massachusetts's rules: Massachusetts investor-owned utilities credit residential solar exports at close to the full retail rate (net metering credits), and credits roll over indefinitely. On top of that, the SMART 3.0 program pays a fixed per-kWh incentive for 20 years.
How much does electricity cost with Town of Wellesley?
Residential customers paid an average of 16.0¢ per kWh in 2025 (EIA), about 16.1¢ adjusted to 2026. The typical home uses 1,013 kWh a month, a bill of about $163.
Is solar worth it with Town of Wellesley?
For a typical customer, solar is worth it: a 9.4 kW system costing about $29,290 pays back in about 12.4 years, with $41,348 net over 25 years.
How many Town of Wellesley customers have solar?
About 164 homes had net-metered solar at the end of 2025, roughly 1.8% of residential customers (EIA-861).
Legal name: Town of Wellesley - (MA) (EIA ID 20310). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026.