State pages

Solar in Ohio

Northern production plus surplus credited at the generation rate, not the full retail price. In Ohio the bill offset on power you use yourself has to pay for the system; the surplus will not do it alone.

Production and price context

• Production: Roughly 1,050 to 1,250 kWh per kW per year, strongest in the southern half of the state. These are planning factors based on NREL PVWatts-style yields, not a roof-specific model.
• Electricity prices: Residential prices sit above the national middle, which shortens payback on the self-consumed share.
• Average residential price: 17.85 cents per kWh in Ohio (average price by state, 2025). Source: U.S. Energy Information Administration, Electric Power Monthly (average price by state) (source year 2025, verified 2026-10-04). For wider utility and rate context beyond rooftop decisions, see EnergyBS.

What that production range means on a roof

Put Ohio's range on the standard 8 kW example. At 1,050 to 1,250 kWh per kW per year, the lower-production band of the 13 states on this site, an 8 kW system produces roughly 8,400 to 10,000 kWh in its first year. The hardware price does not change at the state line: at the NREL benchmark of $3.25 per watt, that system is $26,000 before incentives in every state. What changes is the value of a kilowatt-hour. At Ohio's average residential price, the year-one range is worth about $1,499 to $1,785 if every kilowatt-hour offsets a retail purchase, a simple payback of about 14.6 to 17.3 years with no federal credit and no incentive subtracted. At 17.85 cents, Ohio sits in the middle of this index: neither sun nor price carries the math alone. The export rule and the share of production you use yourself tip the decision, which is why two neighbours with the same roof can get different answers from the same quote.

Ohio net metering rules cap system size against your own yearly usage, and the state portfolio standard was scaled back in 2019. So read every Ohio quote export-first. A kilowatt-hour you send out is worth less than one you use, and the production range above only pays in full on the share you consume yourself. Ask the installer what export value sits inside their payback, in writing, and check it against your tariff before you compare prices.

Hold installer promises against that 1,050 to 1,250 kWh per kW range. A promise above the top of it for any Ohio roof needs a named production tool, stated tilt and azimuth, and a shade analysis you can reproduce. A promise near the bottom on a clean south-facing roof deserves the same questions in reverse. The state range frames the conversation; the roof-specific model, with your tariff's export value inside it, settles it.

Simple payback on the standard 8 kW example, with every assumption printed

• System size: 8 kW DC.
• Gross cost: 8,000 watts at the NREL residential benchmark of about $3.25 per watt DC (2024, checked October 4, 2026) is $26,000 before any incentive. That benchmark is a comparison line for judging quotes, not a quote, a local price survey, or a price cap.
• First-year production: 8,400 to 10,000 kWh, from the Ohio planning range of 1,050 to 1,250 kWh per kW above. Planning factors only, until a roof-specific PVWatts model exists for your address.
• Value of production: every kilowatt-hour is valued at the EIA state average residential price of 17.85 cents per kWh (2025), giving a first-year value of about $1,499 to $1,785. Valuing every kilowatt-hour at the full average price overstates savings in Ohio wherever exported energy is paid below the retail rate, and wherever fixed customer charges or minimum bills apply. Your real first-year savings will be lower than this range to the extent that you export power instead of using it yourself.
• Federal credit: none subtracted. The federal residential solar tax credit ended for systems placed in service after 2025, so this example assumes no federal credit.
• State and utility incentives: no incentive value is subtracted. Any program listed for your address in DSIRE would shorten the payback if you qualify; confirm its current value in DSIRE and your utility tariff rather than trusting a value printed in a quote.
• Not modelled: panel degradation, electricity price escalation, financing costs, maintenance, roof work, and time-of-use price differences are not modelled.
• Simple payback: $26,000 divided by the first-year value range above gives a simple payback of about 14.6 to 17.3 years. Simple payback means exactly that division; it is not a return forecast.

Run your own numbers with your actual bill and quote in the estimator, check how exports are priced in our net metering guide, and read the sizing guide before deciding how much of that 8 kW example your roof should actually carry.

Incentives and export rules to verify

Ohio net metering rules cap system size against your own yearly usage, and the state portfolio standard was scaled back in 2019. Confirm the current net billing credit for your utility in DSIRE and the PUCO-approved tariff.

DSIRE's Ohio listing records that the state's original net metering rules credited net excess generation at the utility's full retail rate, that a 2002 Ohio Supreme Court decision changed the credit to the utility's unbundled generation rate, and that 2017 PUCO amendments set a maximum system size at 120% of a customer's average yearly usage. Ohio's Alternative Energy Portfolio Standard (S.B. 221, 2008) applies to retail electricity providers except cooperatives and municipal utilities, was frozen in 2014, resumed in 2017, and was scaled back by 2019 legislation. Confirm your utility's current net billing credit and interconnection terms in DSIRE and the PUCO-approved tariff.

Policy summary source: DSIRE (Database of State Incentives for Renewables & Efficiency), dsireusa.org, accessed 2026-10-04. Program values are never printed here as guaranteed; name the program, then confirm its current value in DSIRE and your utility tariff.

Two sources decide what applies to your address today: DSIRE, the national database of state incentives for renewables and efficiency, for programs; and your utility's current tariff or residential solar page, for export compensation, fixed charges, and rollover rules. Program names and values change through legislation and rate cases, which is why this page tells you where to verify instead of printing a program value that could be stale on arrival.

The order of decisions in Ohio

1. Confirm the export rule and any minimum bill. That prices your surplus energy.
2. Size the system against a year of bills and the export rule, using our sizing guide.
3. Price at least three quotes against the $3.25 per watt NREL benchmark line in the estimator.
4. Only then evaluate batteries, which pay through export value and rate spreads, per our battery guide.

What matters most here

Northern production plus surplus credited at the generation rate, not the full retail price. In Ohio the bill offset on power you use yourself has to pay for the system; the surplus will not do it alone. Start from that fact when you read quotes. Ask every installer to show the production tool behind their estimate, the export value inside their payback, and the incentive owner for every dollar subtracted from the price. If the answers name documents you can check in DSIRE or your tariff, you are having the right conversation. If they name deadlines and pressure instead, our quote red flags guide lists what to ask next.