Monongahela Power Co
Investor Owned electric utility · West Virginia · #102 of 3,199 U.S. utilities by customers · EIA utility #12796
Monongahela Power Co is a investor owned electric utility serving 397,362 customers in West Virginia. In 2025 it sold 12,911 gigawatt-hours of electricity for $1.36B in revenue, an average realized rate of 10.55¢ per kWh across all customer classes and 14.31¢ per kWh for residential customers. Its reported service territory covers 34 counties. EIA records its activities as: generation, transmission, distribution, wholesale marketing.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 334,336 | 3,739 | $534.87M | 14.31¢ | |
| Commercial | 56,676 | 3,583 | $383.69M | 10.71¢ | |
| Industrial | 6,350 | 5,590 | $443.00M | 7.93¢ | |
| Total | 397,362 | 12,911 | $1.36B | 10.55¢ |
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 (932 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 395,061 | 12,267 | $967.05M | 10.77¢ |
| 2022 | 395,843 | 12,291 | $1.07B | 11.57¢ |
| 2023 | 396,758 | 12,110 | $1.15B | 12.62¢ |
| 2024 | 397,195 | 12,416 | $1.29B | 13.97¢ |
| 2025 | 397,362 | 12,911 | $1.36B | 14.31¢ |
Reliability (2025)
Average outage time (SAIDI): 1,250 minutes per customer per year
Average outages (SAIFI): 3.72 per customer
Average restoration time (CAIDI): 336 minutes
As reported for West Virginia 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: 12,912 GWh
Wholesale power purchased: 2,964 GWh
Winter peak demand: 2,187 MW
Energy losses: 5.2% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 0.0% of 404,482 meters
Customer-sited generation (net metering): 1,283 installations, 15.5 MW of capacity
Counties served
Barbour, WVBraxton, WVBrooke, WVCalhoun, WVClay, WVDoddridge, WVGilmer, WVGrant, WVGreenbrier, WVHancock, WVHarrison, WVJackson, WVLewis, WVMarion, WVMineral, WVMonongalia, WVMonroe, WVNicholas, WVPendleton, WVPleasants, WVPocahontas, WVPreston, WVRandolph, WVRitchie, WVRoane, WVSummers, WVTaylor, WVTucker, WVTyler, WVUpshur, WVWebster, WVWetzel, WVWirt, WVWood, WV
Other large utilities in West Virginia
- Wheeling Power Co - 41,072 customers, residential 17.61¢
- Harrison Rural Elec Assn, Inc - 7,144 customers, residential —
- Black Diamond Power Co - 3,693 customers, residential 20.10¢
- City of New Martinsville - (WV) - 1,740 customers, residential —
- Philippi Municipal Electric - 1,703 customers, residential —
All West Virginia utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #12796 in the EIA frame.