Solar Panel Cost Calculator: what to expect
Solar cost is quoted before incentives and scales with system size (kW). Roof condition, panel and inverter quality, and any needed electrical upgrades shape the total — and federal and local incentives can change the net price substantially.
Across the United States, a solar panel cost averages $31,304 once mid-range materials, licensed labor, and standard permits are included. The figures below are a national baseline; pick your state or city to apply local labor rates, material delivery costs, and permit fees.
Cost summary
| Low estimate | $14,566 |
|---|---|
| Average estimate | $31,304 |
| High estimate | $63,857 |
| Cost per project | $14,566 - $63,857 |
| Timeline | 4-12 weeks |
Where the money goes
For a typical solar panel cost, the average $31,304 estimate splits into roughly $12,443 of materials, $11,902 of labor, and $900 in permits.
| Material cost | $12,443 |
|---|---|
| Labor cost | $11,902 |
| Permit cost | $900 |
What a solar panel cost includes
- Panels, inverters, and racking
- Electrical interconnection and wiring
- Roof attachment and flashing
- Permitting and utility approval
- Monitoring and commissioning
What drives the cost the most
- System size in kW to meet usage.
- Panel and inverter tier (string vs. micro).
- Roof condition, type, and complexity.
- Panel/main upgrades and interconnection.
Budget, standard, and high-end scopes
The $14,566–$63,857 range maps to three common levels of finish:
| Scope | Roughly | What it covers |
|---|---|---|
| Small system | $14,566 | Covers partial usage, string inverter. |
| Standard system | $31,304 | Offsets most usage, quality panels. |
| Large / premium | $63,857 | Full offset, microinverters or battery-ready. |
How to save on a solar panel cost
- Right-size to your actual kWh usage, not roof space.
- Re-roof first if the roof is near end of life — removal later is costly.
- Confirm current federal/state incentives before signing; figures here exclude them.
How this estimate is calculated
We start from a base cost-per-project for solar panel cost and adjust it for finish quality, labor complexity, waste, and equipment, then apply national baseline indices. The figures update with the cost data and reflect mid-range, licensed-contractor pricing, not a binding quote.