Maui Electric Co Ltd
Investor Owned electric utility · Hawaii · #276 of 3,199 U.S. utilities by customers · EIA utility #11843
Maui Electric Co Ltd is a investor owned electric utility serving 71,962 customers in Hawaii. In 2025 it sold 1,102 gigawatt-hours of electricity for $431.96M in revenue, an average realized rate of 39.19¢ per kWh across all customer classes and 41.97¢ per kWh for residential customers. Its reported service territory covers 2 counties. EIA records its activities as: generation, transmission, distribution.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 61,877 | 373 | $156.53M | 41.97¢ | |
| Commercial | 9,935 | 334 | $135.51M | 40.62¢ | |
| Industrial | 150 | 396 | $139.92M | 35.36¢ | |
| Total | 71,962 | 1,102 | $431.96M | 39.19¢ |
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 (502 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 73,588 | 1,048 | $359.65M | 35.12¢ |
| 2022 | 73,833 | 1,089 | $464.82M | 43.80¢ |
| 2023 | 73,464 | 1,045 | $443.02M | 43.77¢ |
| 2024 | 71,906 | 1,038 | $434.81M | 43.96¢ |
| 2025 | 71,962 | 1,102 | $431.96M | 41.97¢ |
Reliability (2025)
Average outage time (SAIDI): 481 minutes per customer per year
Average outages (SAIFI): 2.86 per customer
Average restoration time (CAIDI): 168 minutes
As reported for Hawaii 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: 842 GWh
Wholesale power purchased: 305 GWh
Winter peak demand: 179 MW
Energy losses: 3.8% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 95.6% of 71,986 meters
Customer-sited generation (net metering): 15,543 installations, 122.9 MW of capacity
Counties served
Kalawao, HIMaui, HI
Other large utilities in Hawaii
- Hawaiian Electric Co Inc - 310,559 customers, residential 40.54¢
- Hawaii Electric Light Co Inc - 90,899 customers, residential 45.80¢
- Kauai Island Utility Cooperative - 35,617 customers, residential 38.43¢
All Hawaii utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #11843 in the EIA frame.