Energy Harbor Corp.
Retail Power Marketer electric utility · Ohio · #100 of 3,199 U.S. utilities by customers · EIA utility #6458
Energy Harbor Corp. is a retail power marketer electric utility serving 410,524 customers in Illinois, Maryland, Michigan, New Jersey, Ohio, Pennsylvania. In 2025 it sold 12,159 gigawatt-hours of electricity for $766.56M in revenue, an average realized rate of 6.30¢ per kWh across all customer classes and 7.89¢ per kWh for residential customers. EIA records its activities as: wholesale marketing, retail marketing.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 385,382 | 3,649 | $287.74M | 7.89¢ | |
| Commercial | 24,992 | 4,210 | $232.74M | 5.53¢ | |
| Industrial | 150 | 4,300 | $246.09M | 5.72¢ | |
| Total | 410,524 | 12,159 | $766.56M | 6.30¢ |
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 (789 kWh/month).
Operations by state
| State | Customers | Sales (GWh) | Residential rate |
|---|---|---|---|
| Ohio | 318,774 | 8,738 | 6.63¢ |
| Pennsylvania | 78,693 | 1,945 | 11.65¢ |
| Illinois | 12,489 | 943 | 9.95¢ |
| New Jersey | 301 | 91.6 | 10.17¢ |
| Maryland | 217 | 22.5 | 12.28¢ |
| Michigan | 50 | 419 | — |
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 849,279 | 21,671 | $1.07B | 5.57¢ |
| 2022 | 929,077 | 24,694 | $1.36B | 6.08¢ |
| 2023 | 1,111,683 | 25,709 | $1.48B | 6.80¢ |
| 2024 | 1,264,310 | 28,060 | $1.66B | 6.93¢ |
| 2025 | 410,524 | 12,159 | $766.56M | 7.89¢ |
Energy supply (2025)
Net generation: — GWh
Wholesale power purchased: 12,159 GWh
Winter peak demand: — MW
Other large utilities in Ohio
- Adjustment 2025 - 4,559,641 customers, residential 13.93¢
- Dynegy Energy Services, LLC - 793,547 customers, residential 9.00¢
- NextEra Energy Services, LLC - 753,301 customers, residential 9.28¢
- AEP Energy - 618,459 customers, residential 8.66¢
- Ohio Power Co - 594,848 customers, residential 18.97¢
- Interstate Gas Supply, Inc. - 322,025 customers, residential 11.51¢
- Duke Energy Ohio Inc - 297,189 customers, residential 16.83¢
- Ohio Edison Co - 286,197 customers, residential 16.01¢
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #6458 in the EIA frame.