Town of Wallingford - (CT)
Municipal electric utility · Connecticut · #613 of 3,199 U.S. utilities by customers · EIA utility #20038
Town of Wallingford - (CT) is a municipal electric utility serving 25,123 customers in Connecticut. In 2025 it sold 543 gigawatt-hours of electricity for $84.52M in revenue, an average realized rate of 15.57¢ per kWh across all customer classes and 17.78¢ 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 | 21,426 | 219 | $38.96M | 17.78¢ | |
| Commercial | 3,672 | 219 | $31.80M | 14.52¢ | |
| Industrial | 25 | 105 | $13.76M | 13.14¢ | |
| Total | 25,123 | 543 | $84.52M | 15.57¢ |
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 (852 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 25,211 | 570 | $66.56M | 13.57¢ |
| 2022 | 25,219 | 565 | $78.63M | 15.81¢ |
| 2023 | 25,048 | 541 | $79.80M | 16.73¢ |
| 2024 | 25,100 | 544 | $73.71M | 15.65¢ |
| 2025 | 25,123 | 543 | $84.52M | 17.78¢ |
Reliability (2025)
Average outage time (SAIDI): 53 minutes per customer per year
Average outages (SAIFI): 0.44 per customer
Average restoration time (CAIDI): 120 minutes
As reported for Connecticut under the Other 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: 557 GWh
Winter peak demand: 95 MW
Energy losses: 2.4% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 0.0% of 25,123 meters
Customer-sited generation (net metering): 67 installations, 1.5 MW of capacity
Counties served
New Haven, CT
Other large utilities in Connecticut
- Connecticut Light & Power Co - 1,072,114 customers, residential 28.88¢
- United Illuminating Co - 277,914 customers, residential 35.40¢
- Think Energy, LLC - 90,425 customers, residential 11.78¢
- Town Square Energy - 85,979 customers, residential 13.09¢
- City of Norwich - (CT) - 20,996 customers, residential 23.35¢
- Groton Dept of Utilities - (CT) - 14,193 customers, residential 18.05¢
- XOOM Energy Connecticut, LLC - 10,627 customers, residential 13.09¢
- City of South Norwalk - (CT) - 7,439 customers, residential —
All Connecticut utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #20038 in the EIA frame.