City of Westfield - (MA)
Municipal electric utility · Massachusetts · #773 of 3,199 U.S. utilities by customers · EIA utility #20481
City of Westfield - (MA) is a municipal electric utility serving 18,551 customers in Massachusetts. In 2025 it sold 353 gigawatt-hours of electricity for $68.60M in revenue, an average realized rate of 19.43¢ per kWh across all customer classes and 18.46¢ per kWh for residential customers. Its reported service territory covers 1 counties. EIA records its activities as: buying transmission, distribution.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 16,386 | 133 | $24.61M | 18.46¢ | |
| Commercial | 2,099 | 101 | $21.46M | 21.30¢ | |
| Industrial | 66 | 119 | $22.53M | 18.92¢ | |
| Total | 18,551 | 353 | $68.60M | 19.43¢ |
Average realized rate = revenue divided by sales as reported on EIA Form 861. It blends fixed charges, demand charges and riders into one per-kWh figure; it is not the utility's tariff rate. Estimated residential bill assumes the average residential customer's actual 2025 usage (678 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 18,204 | 356 | $53.62M | 15.26¢ |
| 2022 | 18,283 | 362 | $61.97M | 17.36¢ |
| 2023 | 18,311 | 347 | $63.48M | 18.23¢ |
| 2024 | 18,344 | 352 | $64.84M | 17.59¢ |
| 2025 | 18,551 | 353 | $68.60M | 18.46¢ |
Reliability (2025)
Average outage time (SAIDI): 194 minutes per customer per year
Average outages (SAIFI): 1.85 per customer
Average restoration time (CAIDI): 105 minutes
As reported for Massachusetts under the IEEE standard, with major event days included where the standard reports them. Lower is better; see the reliability rankings.
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 366 GWh
Winter peak demand: 58 MW
Energy losses: 3.1% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 99.7% of 18,551 meters
Customer-sited generation (net metering): 27 installations, 0.6 MW of capacity
Counties served
Hampden, MA
Other large utilities in Massachusetts
- Constellation NewEnergy, Inc - 1,541,139 customers, residential 12.92¢
- Direct Energy Services - 1,310,067 customers, residential 14.56¢
- Massachusetts Electric Co - 486,042 customers, residential 33.66¢
- First Point Power, LLC - 353,137 customers, residential 13.82¢
- NSTAR Electric Company - 340,640 customers, residential 21.49¢
- Clearview Electric Inc. - 64,976 customers, residential 14.61¢
- City of Taunton - (MA) - 40,045 customers, residential 18.81¢
- Town of Reading - (MA) - 28,337 customers, residential 19.95¢
All Massachusetts utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #20481 in the EIA frame.