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AEP Ohio
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Informative Map

Ohio has six electric distribution utilities — each serves a different region. The dashed border shows PJM, the wholesale market that sets electricity prices statewide.

ToledoClevelandAkronColumbusDaytonCincinnatiToledo EdisonIlluminating Co.Ohio EdisonAES OhioDuke EnergyAEP OhioPJM Interconnection
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Electric Utilities
Wholesale Pricing
PJM Interconnection

Regional transmission organization that coordinates wholesale electricity markets. All Ohio electric utilities buy power through PJM.