Solar in Harlingen, TX
With Magic Valley Electric Cooperative's electricity at about 10.9¢ per kWh and 1,530 kWh of sun per kW, solar is not worth it for a typical Harlingen home today: about a 18.7-year payback.
- Payback, typical home
- 18.7 yrsTexas: 14 yrs
- 25-year net
- $6,357after paying $14,420
- Sun
- 1,530kWh per kW per year
- Electricity
- 10.9¢39% below U.S. average
A typical Harlingen home, by the numbers
| Utility | Magic Valley Electric Cooperative |
|---|---|
| Electricity use | 1,336 kWh a month |
| Best-value system | 5.2 kW, about 12 panels, 7,954 kWh a year (50% of use) |
| Cost | $14,420 |
| First-year savings | $768 |
| Payback | 18.7 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 Harlingen
- Owner-occupied homes
- 56%
- Single-family detached
- 60%
- Median home value
- $141k
- Median year built
- 1988
- Population
- 72,087
Census ACS 2020–2024.
Installers working in Harlingen
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 Harlingen
Is solar worth it in Harlingen, TX?
For a typical home in Harlingen, solar is not worth it at 2026 prices: a 5.2 kW system costs about $14,420 after state incentives, saves about $768 in year one and pays back in about 18.7 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Harlingen?
About 1,530 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% more than the Texas average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Harlingen?
Most homes in Harlingen are served by Magic Valley Electric Cooperative, at about 10.9¢ per kWh on average. Some areas are served by AEP Texas Central, Brownsville Public Utilities Board.
How much do solar panels cost in Harlingen?
A fair cash price is around $2.60 per watt before incentives, so about $14,420 for a 5.2 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Weslaco 18.6 yrs
- Brownsville 18.3 yrs
- San Juan 18.4 yrs
- Edinburg 18.3 yrs
- Pharr 18.6 yrs
- McAllen 12.3 yrs
- Mission 18.1 yrs
- Corpus Christi 12.2 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.