Solar calculator for North Carolina
Panels, system size, cost and payback for North Carolina, from your own power bill.
The average North Carolina home uses 1,015 kWh a month and pays 14.1 cents per kWh, which puts North Carolina at mid-range electricity prices, so payback depends mostly on how much sun your roof gets. North Carolina has both a heating and a cooling season, so the bill swings both ways and a full year of bills gives a better answer than one month. A south-facing fixed array there makes about 1,416 kWh per installed kW a year, and the worst winter month still gets 3.43 peak sun hours a day. Drop in your own bill below and the numbers on this page are replaced by yours.
A worked example for North Carolina
Take the average home: 1,015 kWh a month, which is 12,180 kWh a year, at 14.1 cents per kWh (EIA, 2024 residential averages, as of 2026-11). Sized to cover all of that use, the tool returns 8.6 kWdc and 21 panels, needing about 441 square feet of roof. The installed estimate is $21,418 (national median, EnergySage H2 2025), yearly savings are about $1,717, and simple payback is 12.5 years, with no incentive applied.
Sun and yield in North Carolina
We use 1,416 kWh per installed kW per year for North Carolina, from NREL PVWatts v8 for the state's largest city at a 20 degree south-facing tilt (via TheGreenWatt, as of 2026-11). The darkest month averages 3.43 peak sun hours a day, which matters if you plan to go off-grid or size a battery. A different roof angle or heavy shade changes this, so treat it as a starting point.
Incentives
The 30% federal tax credit ended for homeowner purchases after December 31, 2025, so none is applied here. See the tax credit guide. Look up North Carolina and your own utility for net metering terms and any local programs before relying on a payback number.
Planning estimate. Permits, interconnection approval and a licensed electrician are required for grid-tied systems.
Questions
How many solar panels does a North Carolina home need?
The average North Carolina home uses 12,180 kWh a year (EIA 2024). At about 1,416 kWh per installed kW, covering all of it takes 8.6 kWdc, or 21 panels. Your own bill will move that up or down.
How much does solar cost in North Carolina?
For the average-home example the installed estimate is $21,418 at the national median of $2.49 per watt (EnergySage, H2 2025, as of 2026-11). We have no sourced North Carolina price multiplier, so local quotes will differ.
Is there a federal solar tax credit in North Carolina?
The 30% federal tax credit ended for homeowner purchases after December 31, 2025. Check your state, utility and local programs separately.
Where does the North Carolina sun figure come from?
1,416 kWh per kW per year and 3.43 winter peak sun hours come from NREL PVWatts v8 runs for North Carolina's largest city, compiled by TheGreenWatt (as of 2026-11). Real yield varies across the state.
Is my bill uploaded?
No. Your bill is read in your browser and never uploaded.