Solar in McAllen, TX
With Oncor's electricity at about 17.9¢ per kWh and 1,575 kWh of sun per kW, solar is worth it for a typical McAllen home today: about a 12.3-year payback.
- Payback, typical home
- 12.3 yrsTexas: 14 yrs
- 25-year net
- $17,073after paying $12,320
- Sun
- 1,575kWh per kW per year
- Electricity
- 17.9¢1% below U.S. average
A typical McAllen home, by the numbers
| Utility | Oncor |
|---|---|
| Electricity use | 1,106 kWh a month |
| Best-value system | 4.2 kW, about 10 panels, 6,616 kWh a year (50% of use) |
| Cost | $12,320 |
| First-year savings | $982 |
| Payback | 12.3 years |
| Exported power | No statewide net metering (Texas rule) |
Cash purchase, no federal credit, 2.9% yearly rate increases. Run it with your own numbers.
Homes in McAllen
- Owner-occupied homes
- 59%
- Single-family detached
- 64%
- Median home value
- $190k
- Median year built
- 1995
- Population
- 145,385
- Roofs suitable for solar†
- 97%
Census ACS 2020–2024. †Share of 40,065 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in McAllen
Public installation records for Texas don't name installers, so we can't rank local companies here. Browse installers in Texas.
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in McAllen
Is solar worth it in McAllen, TX?
For a typical home in McAllen, solar is worth it at 2026 prices: a 4.2 kW system costs about $12,320 after state incentives, saves about $982 in year one and pays back in about 12.3 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in McAllen?
About 1,575 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 4% more than the Texas average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in McAllen?
Most homes in McAllen are served by Oncor, at about 17.9¢ per kWh on average. Some areas are served by Magic Valley Electric Cooperative, AEP Texas Central.
How much do solar panels cost in McAllen?
A fair cash price is around $2.60 per watt before incentives, so about $12,320 for a 4.2 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Mission 18.1 yrs
- Pharr 18.6 yrs
- San Juan 18.4 yrs
- Edinburg 18.3 yrs
- Weslaco 18.6 yrs
- Harlingen 18.7 yrs
- Brownsville 18.3 yrs
- Laredo 16 yrs
- All of Texas
Data: PVWatts (National Laboratory of the Rockies), EIA-861 2025 adjusted to 2026, U.S. Census ACS, LBNL Tracking the Sun, state policy research as of October 2026.