Commonwealth Utility Corporation - (MP)
State electric utility · Northern Mariana Islands · #844 of 3,199 U.S. utilities by customers · EIA utility #57105
Commonwealth Utility Corporation - (MP) is a state electric utility serving 16,459 customers in Northern Mariana Islands. In 2025 it sold 226 gigawatt-hours of electricity for $49.83M in revenue, an average realized rate of 22.07¢ per kWh across all customer classes and 35.53¢ per kWh for residential customers. Its reported service territory covers 3 counties. EIA records its activities as: generation, transmission, distribution, bundled.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 13,023 | 72.6 | $25.80M | 35.53¢ | |
| Commercial | 3,436 | 153 | $24.03M | 15.68¢ | |
| Total | 16,459 | 226 | $49.83M | 22.07¢ |
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 (465 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 16,775 | 204 | $55.63M | 25.36¢ |
| 2022 | 16,965 | 258 | $62.78M | 26.52¢ |
| 2023 | 17,283 | 262 | $101.42M | 35.89¢ |
| 2024 | 17,555 | 276 | $58.65M | 28.98¢ |
| 2025 | 16,459 | 226 | $49.83M | 35.53¢ |
Energy supply (2025)
Net generation: 188 GWh
Wholesale power purchased: 102 GWh
Winter peak demand: 35 MW
Energy losses: 19.9% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 0.0% of 16,459 meters
Customer-sited generation (net metering): 551 installations, 4.6 MW of capacity
Counties served
Rota, MPSaipan, MPTinian, MP
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #57105 in the EIA frame.