What is the PJM capacity charge in Ohio?
4,424,100 of 4,962,447 homes (89%) sit in 6 mapped utilities; the main zone is American Transmission Systems (FirstEnergy Ohio and Pennsylvania). Ohio Power is the largest at 30% of mapped homes.
Ohio utilities and their PJM zones
| Utility | Zone | Ohio homes | Share | Ohio kWh/mo | 1 kW cents/kWh 2026/27 | 2024/25 $ | 2026/27 $ |
|---|---|---|---|---|---|---|---|
| Ohio Power | AEP | 1,339,232 | 30.3% | 898 | 1.12 | $28.92 | $329.17 |
| Ohio Edison | ATSI | 957,780 | 21.6% | 786 | 1.27 | $28.92 | $329.17 |
| Duke Energy Ohio | DEOK | 693,435 | 15.7% | 888 | 1.13 | $96.24 | $329.17 |
| Cleveland Electric Illuminating | ATSI | 676,098 | 15.3% | 616 | 1.62 | $28.92 | $329.17 |
| Dayton Power and Light (AES Ohio) | DAYTON | 478,741 | 10.8% | 915 | 1.09 | $28.92 | $329.17 |
| Toledo Edison | ATSI | 278,814 | 6.3% | 740 | 1.35 | $28.92 | $329.17 |
ATSI against the RTO price
2021/22: $171.33 here, $140.00 RTO-wide.
Ohio per kWh
ATSI zone, Ohio: 1 kW at $329.17 x 365 / 1,000 = $120.15 a year, against $10.56 for 2024/25.
Ohio homes average 863 kWh a month (EIA-861, 2024). 1 kW per kWh: 0.10 cents at 2024/25, 1.16 at 2026/27. Ohio average price 2025: 16.96 cents.
30 Ohio utilities serve 538,347 homes outside our map. Largest: South Central Power Company, cooperative, 117,469 homes, 14.9 cents; City of Cleveland - (OH), municipal, 64,914 homes, 14.9 cents; City of Hamilton - (OH), municipal, 26,964 homes, 15.4 cents; Licking Rural Electric Inc, cooperative, 25,820 homes, 16.9 cents.
investor-owned 89% of homes at 17.2 cents and 844 kWh a month; cooperative 6% of homes at 16.2 cents and 1,112 kWh a month; municipal 5% of homes at 13.2 cents and 668 kWh a month. Of 88 counties, 53% are nonmetro.
Ohio against other PJM states
Ohio is #3 of 10 on the price ratio, behind Kentucky (11.4x) and ahead of Virginia (11.4x).
Neighbors with a page: Kentucky 11.4x, West Virginia 11.4x, Pennsylvania 6.1x.
Work out a Ohio capacity cost
- Loading Ohio prices.
More
Sources
6 Ohio utilities from EIA-861 2024 and the PJM files listed on the hub.
Questions
Which PJM zone is my Ohio utility in?
Ohio Power: AEP; Ohio Edison: ATSI; Duke Energy Ohio: DEOK; Cleveland Electric Illuminating: ATSI; Dayton Power and Light (AES Ohio): DAYTON.
How many Ohio homes does the zone map cover?
4,424,100 of 4,962,447 (89%); 538,347 are served by utilities we leave unmapped.