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Utility Billing

Ohio Solar Credits: Check Your Electric Supplier Before Switching Plans

A lower advertised electricity rate does not explain a solar household's whole bill. The treatment of excess generation belongs in the supplier comparison.

If your Ohio electricity supplier changes, check what happens to solar credits before assuming the new plan is a better deal. A lower advertised purchase price is only one input for a household that also sends electricity to the grid.

Ohio's net-metering rule distinguishes the electric utility's standard tariff from a contract with a competitive retail electric service provider, commonly called a CRES provider. Those are separate arrangements. The rule permits CRES providers to set contractual compensation terms for excess generation and does not require them to offer a net-metering contract.

This article addresses Ohio's regulated utility and competitive-supplier framework. Municipal and cooperative customers should verify their own utility rules instead of assuming the same tariff choices apply.

Identify both companies on the bill

Start with a recent electricity bill. Find the company delivering electricity and the company providing generation service. Do not assume they are the same because the bill arrives under one familiar logo.

Ask which entity handles your excess solar generation and which document defines the compensation. If the account is on a competitive supply arrangement, request the complete contract, any solar-specific addendum and the renewal terms. A promotional rate page is not a substitute for those documents.

AEP Ohio's renewable-energy guidance, for example, directs customers with a CRES provider to that provider for the treatment of excess electricity. This is a useful illustration of why contacting only the distribution utility may not answer the whole billing question.

Do not confuse monthly offsets with excess-credit value

For the utility's standard tariff, the Ohio rule converts monthly excess generation to a monetary credit using the energy component of the standard service offer. That credit carries forward; the utility is not required to cash it out, and unused credit may be lost when service ends. These provisions should not be represented as a promise of the full bundled retail price for surplus electricity.

Ask for a sample month with net purchases and another with net excess generation. The two examples help reveal whether a proposal has applied an excess-credit price to the wrong quantity or treated the credit as cash available for the solar loan.

Electric bill and supplier agreement arranged for review
Check both the delivery utility and generation supplier when comparing solar credits.

The comparison should show the relevant generation, transmission and distribution components separately. Request the current utility tariff or supplier terms supporting each line. This article does not assign one export price or one transmission-credit treatment to every Ohio account.

Compare the whole year before changing supply

For a household with summer surpluses and winter purchases, the cheapest advertised import rate may not produce the lowest combined cost. Ask the prospective supplier to calculate both purchases and exports using the same historical household data used for the existing plan.

Include any monthly charge, introductory period, renewal change and termination fee shown in the actual contract. Also ask what happens to credits already accumulated under the current arrangement. Do not count a credit as transferable or payable unless the applicable terms support that assumption.

If a sales estimate assumes one supplier arrangement for the entire financing period, ask for a second scenario with different future terms. A supply contract's duration may be much shorter than the solar payment schedule.

If the credits changed, preserve the timeline

Gather bills from before and after the change, the supplier enrollment notice, the disclosure statement and the solar proposal. Mark the date the generation supplier changed and the first bill showing different credit treatment. Compare those dates with any equipment outage or change in household usage.

This helps separate a billing change from a production problem. It also gives the responsible company a specific question to investigate instead of a general complaint that solar is not saving enough.

Ask the supplier to explain the calculation in writing. Keep its response with the interconnection agreement and utility correspondence. A discrepancy deserves review, but it does not by itself establish that the solar agreement is automatically cancelable.

Use Solar Exit utility-billing review to describe the change. Include both supply and solar agreements in document review, or submit your situation when combined payments are creating difficulty. This is general consumer information, not legal, financial or electrical advice. Contract terms and facts determine the available options.

Sources Reviewed

  • Rule 4901:1-10-28(B)(8)Reviewed October 15, 2026Reverified October 15, 2026. OAC 4901:1-10-28 effective April 8, 2024, displayed last update March 10, 2026; B(1), B(2), B(8). AEP Ohio guidance confirms CRES customers must check supplier terms. No utility-specific price or transmission formula asserted; municipal and cooperative service excluded from generalization.
  • AEP Ohio renewable-energy guidanceReviewed October 15, 2026Reverified October 15, 2026. OAC 4901:1-10-28 effective April 8, 2024, displayed last update March 10, 2026; B(1), B(2), B(8). AEP Ohio guidance confirms CRES customers must check supplier terms. No utility-specific price or transmission formula asserted; municipal and cooperative service excluded from generalization.