Solar Cost Breakdown for San Antonio
Here's what a typical 5.0 kW solar installation costs in San Antonio, TX in 2026, based on current market pricing and live utility data from CPS Energy.
| Cost Item | Amount | Notes |
|---|---|---|
| Gross System Cost (5.0 kW) | $15,900 | Before any incentives |
| Federal ITC (30%) | -$4,770 | Applied to tax return (Form 5695) |
| Net Cost to Homeowner | $11,130 | After federal tax credit |
| Monthly Loan Payment (25yr @ 5.99%) | ~$71/mo | $0 down solar loan |
| Monthly Bill Savings | ~$80/mo | Based on CPS Energy 12.4¢/kWh |
Solar Production in San Antonio
San Antonio averages 5.4 peak sun hours per day — good for solar energy production. A 5.0 kW system here will generate approximately:
| Timeframe | Estimated Production | Value @ 12.4¢/kWh |
|---|---|---|
| Daily (avg) | 21.6 kWh | $2.68 |
| Monthly (avg) | 648 kWh | $80 |
| Annual | 7,884 kWh | $978 |
| 25-Year Total | 197,100 kWh | $35,000 |
TX Solar Incentives
Homeowners in San Antonio, TX can stack multiple incentives to reduce the net cost of solar significantly:
| Incentive | Value | How to Claim |
|---|---|---|
| Federal Investment Tax Credit (ITC) | 30% of system cost = $4,770 | IRS Form 5695 at tax time |
| CPS Rebate | Varies | Through installer or TX tax return |
| Property Tax Exemption | Solar value excluded from property tax | Automatic in most TX counties |
| Net Metering (CPS Energy) | Credit for excess solar exported to grid | Applied automatically to monthly bill |
💡 Total potential savings: Between the 30% federal ITC ($4,770) and state incentives in TX, many San Antonio homeowners reduce their net system cost by 35–45% before financing.
CPS Energy: Your Local Rate
Your San Antonio utility provider is CPS Energy, currently charging 12.4¢ per kWh (source: EIA, June 2026). This rate determines how valuable solar is for your home — higher rates mean faster payback.
US electricity rates have increased an average of 3.4% per year since 2010. If CPS Energy's rate continues rising, your solar savings will grow each year — meaning real payback is often faster than static estimates suggest.
| Year | Projected Rate | Annual Solar Savings (5.0 kW) |
|---|---|---|
| 2026 (now) | 12.4¢/kWh | $978 |
| 2031 (+5yr) | 14.7¢/kWh | $1,156 |
| 2036 (+10yr) | 17.3¢/kWh | $1,366 |
| 2046 (+20yr) | 24.2¢/kWh | $1,908 |
Get Your Exact San Antonio Solar Quote
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Calculate My San Antonio Solar Cost →Compare Nearby Cities
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