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Ohio Solar Panel Calculator

Local rates, sun hours & savings — specific to Ohio

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3.73

Peak Sun Hrs/Day

$0.149

Avg Rate ($/kWh)

$127

Avg Monthly Bill

17 yrs

Est. Payback

Ohio sits at the lower end of the solar ROI spectrum with 3.73 peak sun hours per day and $0.15/kWh electricity rates, but the federal 30% ITC and net metering from AEP Ohio and FirstEnergy still make solar pencil out for homeowners planning to stay put for 10+ years. This calculator is particularly useful for Ohio homeowners because the margins are tighter — you need accurate local numbers rather than sunny-state assumptions to make a confident decision.

3.73 hrs

Sun Hours/Day

$0.149

Rate ($/kWh)

$2.80

Avg Cost/Watt

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Solar Data for Ohio

Peak Sun Hours
3.73 hrs/day (NREL annual avg)
Avg Electricity Rate
$0.1491/kWh (EIA 2024)
Avg Monthly Bill
$127/month
Avg Install Cost
$2.80/W (LBNL Tracking the Sun)
Est. Payback (avg bill)
17 years (before 30% ITC)
Federal ITC
30% through 2032

Solar Panels in Ohio — Frequently Asked Questions

Can my HOA prevent me from installing solar panels?▾
In most states, no. Over 25 states have solar access laws that limit or prohibit HOA solar restrictions. California, Florida, Texas, Colorado, and New York all have strong protections. Your HOA can still regulate aesthetics (panel placement, color of conduit), but cannot block installation outright. Check your state's laws at dsireusa.org.
How do rising electricity rates affect solar ROI?▾
Every 1¢/kWh increase in your utility rate improves your solar savings proportionally. If rates rise 3% annually (historical average), your payback period shortens and 25-year savings grow substantially. Solar essentially locks in your electricity cost at installation, hedging against future rate increases.
Should I add battery storage to my solar system?▾
Battery storage (like the Tesla Powerwall or Enphase IQ Battery) costs an additional $10,000–$15,000 per battery. It makes sense if: (1) you're in a state with unfavorable net metering (like California's NEM 3.0), (2) you experience frequent outages, or (3) you want to maximize self-consumption. For most homeowners with standard net metering, batteries don't improve payback period.
How much does a solar system cost installed?▾
Installed solar costs range from $2.50 to $3.50 per watt depending on your state, system size, panel brand, and installer. A 10 kW system runs $25,000–$35,000 before incentives. After the 30% federal ITC, that's $17,500–$24,500. Many states offer additional rebates that can reduce costs further. Get 3 quotes to find competitive local pricing.
How many solar panels does the average home need?▾
Most US homes need between 15 and 30 panels (6–12 kW system). The exact number depends on your electricity usage, your state's sun hours, roof orientation, and the wattage of the panels you choose. Enter your bill or usage above to get a personalized estimate.

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Solar Savings on a $150/Month Bill

How much solar saves on a $150 monthly electricity bill in Ohio

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How much solar saves on a $100 monthly electricity bill in Ohio

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How many panels does a 2,500 sq ft home need?

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How many panels does a 2,000 sq ft home need?

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8 kW Solar System

Full cost and savings breakdown for a 8 kW installation

Disclaimer: Data sources: NREL PVWatts (sun hours), EIA 2024 Residential Rate Survey (electricity rates), Lawrence Berkeley National Lab Tracking the Sun (install costs). Estimates are for planning only. Actual savings depend on your specific roof, shading, utility policies, and available incentives. Not financial or tax advice.