Town of Mansfield - (MA)
Municipal electric utility · Massachusetts · #1,107 of 3,199 U.S. utilities by customers · EIA utility #11586
Town of Mansfield - (MA) is a municipal electric utility serving 10,570 customers in Massachusetts. In 2025 it sold 224 gigawatt-hours of electricity for $33.02M in revenue, an average realized rate of 14.73¢ per kWh across all customer classes and 15.04¢ 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 | 9,406 | 83.2 | $12.52M | 15.04¢ | |
| Commercial | 883 | 19.2 | $3.07M | 15.94¢ | |
| Industrial | 281 | 122 | $17.43M | 14.33¢ | |
| Total | 10,570 | 224 | $33.02M | 14.73¢ |
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 (737 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 10,542 | 217 | $25.68M | 11.70¢ |
| 2022 | 10,545 | 229 | $32.83M | 14.73¢ |
| 2023 | 10,553 | 213 | $35.11M | 16.72¢ |
| 2024 | 10,564 | 219 | $32.73M | 15.16¢ |
| 2025 | 10,570 | 224 | $33.02M | 15.04¢ |
Reliability (2025)
Average outage time (SAIDI): 21 minutes per customer per year
Average outages (SAIFI): 0.07 per customer
Average restoration time (CAIDI): 288 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: 3.0 GWh
Wholesale power purchased: 226 GWh
Winter peak demand: 36 MW
Energy losses: 2.0% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 0.0% of 10,570 meters
Customer-sited generation (net metering): 55 installations, 2.2 MW of capacity
Counties served
Bristol, 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 #11586 in the EIA frame.