CPS Energy and solar
CPS Energy is a municipal utility serving about 888,946 homes in Texas. Here's what its rates and export rules mean for solar: for a typical customer, solar is worth it.
- Average price (2026 est.)
- 12.8¢19% below Texas average
- Typical bill
- $1381,075 kWh a month
- Exports credited
- ~31%Avoided-cost export credit
- Typical payback
- 13.3 yrs7.7 kW, cash
Export rules for CPS Energy customers
Avoided-cost export credit, monthly netting.
Monthly net metering; net excess credited at avoided cost (per DSIRE).
CPS Energy residential solar net metering (details not verified).
Solar for a typical CPS Energy home
| System | 7.7 kW (90% of 1,075 kWh/month) |
|---|---|
| Cost | $19,670 |
| First-year savings | $1,460 |
| Payback | 13.3 years |
| 25-year net | $23,394 |
Uses the utility's average price; time-of-use plans can change this, so pick your plan in the calculator.
Solar adoption
- Homes with solar (2025)
- 48,818
- Share of customers
- 5.5%
- Residential solar capacity
- 414 MW
- Residential customers
- 888,946
EIA-861, 2025.
Cities served
Questions about CPS Energy and solar
Does CPS Energy have net metering?
Monthly net metering; net excess credited at avoided cost (per DSIRE).
How much does electricity cost with CPS Energy?
Residential customers paid an average of 12.4¢ per kWh in 2025 (EIA), about 12.8¢ adjusted to 2026. The typical home uses 1,075 kWh a month, a bill of about $138.
Is solar worth it with CPS Energy?
For a typical customer, solar is worth it: a 7.7 kW system costing about $19,670 pays back in about 13.3 years, with $23,394 net over 25 years.
How many CPS Energy customers have solar?
About 48,818 homes had net-metered solar at the end of 2025, roughly 5.5% of residential customers (EIA-861).
Legal name: City of San Antonio - (TX) (EIA ID 16604). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026, utility tariff sheets.