Solar Panel Installation Cost by State
Solar panel installation cost in the U.S. typically runs between $15,000 and $31,000 for a residential system, or roughly $2.50–$3.50 per watt before incentives — commonly $2.50–$2.75/watt in lower-cost states and $3.30–$3.50/watt in higher-cost states — depending on your state, system size, and installer. Use the estimate below, or explore your state's average solar energy installation cost directly.
Get Your State's Solar Cost EstimateAverage Solar Power Installation Price Nationwide
A residential solar system in the U.S. typically costs $15,000–$31,000, or $2.50–$3.50 per watt before incentives. Lower-cost states tend to run $2.50–$2.75 per watt, while higher-cost states run $3.30–$3.50 per watt, driven by permitting, labor, and installer competition. Most homes need a 6–10 kW system, so total cost scales from there.
Across a typical 6–10 kW system, these figures provide a useful starting point for comparing the average cost of solar panels, total solar installation cost, and the long-term solar cost per kWh.
Solar Panel Installation Cost by State
Compare the published state-level installation ranges below, then explore available state and city coverage for local pricing.
| State | Avg. $/Watt | Avg. System Cost | Payback Period |
|---|---|---|---|
| California | $2.60–$3.40 | $18,500–$24,000 | Varies by city |
| Texas | $2.40–$3.20 | $15,000–$20,000 | Varies by city |
| Florida | $2.50–$3.30 | $16,000–$21,000 | Varies by city |
What Affects Solar Installation Cost
- System size (kW)
- Roof type and shading
- Equipment quality
- Solar battery installation cost (if adding storage)
- Permits and labor by region
- Tax incentives for solar (federal and state)
Frequently Asked Questions
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