City of Westfield and solar
City of Westfield is a municipal utility serving about 16,386 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.)
- 18.5¢39% below Massachusetts average
- Typical bill
- $125678 kWh a month
- Exports credited
- RetailFull retail net metering
- Typical payback
- 11.7 yrs6.5 kW, cash
Export rules for City of Westfield 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 City of Westfield home
| System | 6.5 kW (101% of 678 kWh/month) |
|---|---|
| Cost | $22,025, $21,025 after incentives |
| First-year savings | $1,439 |
| Payback | 11.7 years |
| 25-year net | $33,924 |
Uses the utility's average price.
Solar adoption
- Homes with solar (2025)
- 19
- Share of customers
- 0.1%
- Residential solar capacity
- 0 MW
- Residential customers
- 16,386
EIA-861, 2025.
Cities served
Questions about City of Westfield and solar
Does City of Westfield have net metering?
City of Westfield 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 City of Westfield?
Residential customers paid an average of 18.5¢ per kWh in 2025 (EIA), about 18.5¢ adjusted to 2026. The typical home uses 678 kWh a month, a bill of about $125.
Is solar worth it with City of Westfield?
For a typical customer, solar is worth it: a 6.5 kW system costing about $21,025 pays back in about 11.7 years, with $33,924 net over 25 years.
How many City of Westfield customers have solar?
About 19 homes had net-metered solar at the end of 2025, roughly 0.1% of residential customers (EIA-861).
Legal name: City of Westfield - (MA) (EIA ID 20481). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026.