Solar Panel Cost in San Antonio, TX
Estimated costs and savings for ZIP code 78201 — updated for 2026
Urgent tax credit deadlines
- Section 48E phase-out completes December 31, 2027 — projects must be placed in service by then (469 days left).
Gross Cost
$17,500
7kW system
Annual Savings
$1,999
$167/month
Payback Period
8.8 yrs
Break-even
Peak Sun Hours
5.6
hrs/day avg
Solar System Cost Breakdown — San Antonio, TX
Estimated costs and savings for different residential solar system sizes in ZIP 78201. Costs based on TX average of $2.50/W and utility rate of $0.16/kWh.
| System | Cost | Savings/yr | Payback |
|---|---|---|---|
| 4 kW | $10,000 | $1,143 | 8.7 yrs |
| 5 kW | $12,500 | $1,428 | 8.8 yrs |
| 6 kW | $15,000 | $1,714 | 8.8 yrs |
| 7 kW(typical) | $17,500 | $1,999 | 8.8 yrs |
| 8 kW | $20,000 | $2,285 | 8.8 yrs |
| 10 kW | $25,000 | $2,856 | 8.8 yrs |
Solar Production in San Antonio, Texas
Average Peak Sun Hours
5.6 hours/day
Excellent solar resource — among the best in the US
Est. Annual Production (7kW)
12,162 kWh
Based on 5.6 PSH × 7kW × 365 days × 85% efficiency
Average Utility Rate
$0.16/kWh
Above-average rates — good solar savings potential
Cost Per Watt in TX
$2.50/W
Below national average — competitive market
Solar Panel FAQ — San Antonio, TX
How much do solar panels cost in San Antonio, TX?
A typical 7kW solar system in San Antonio, TX (ZIP 78201) costs approximately $17,500 before any incentives. This works out to about $2.50 per watt installed. Smaller systems start around $10,000, while larger 10kW systems can cost up to $25,000.
How long is the solar payback period in San Antonio?
The average solar payback period in San Antonio, TX is approximately 8.8 years for a 7kW system. With estimated annual savings of $1,999, the system pays for itself and then generates free electricity for the remaining 15-20+ years of its lifespan.
How much can I save with solar panels in 78201?
Homeowners in San Antonio, TX (ZIP 78201) can save approximately $167 per month or $1,999 per year with a standard 7kW solar system. Over 25 years, total savings can exceed $49,975, depending on utility rate increases.
How many peak sun hours does San Antonio get?
San Antonio, TX receives an average of 5.6 peak sun hours per day. This is above the national average, making solar highly effective in this area.
What size solar system do I need for my home in San Antonio?
The average home in San Antonio, TX needs a 7kW solar system to offset their electricity usage. The exact size depends on your monthly electric bill, roof orientation, and available space. A 7kW system would produce approximately 12,162 kWh annually in ZIP 78201.
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