Solar in Port Arthur, TX
With Entergy Texas's electricity at about 14.4¢ per kWh and 1,428 kWh of sun per kW, solar is worth it for a typical Port Arthur home today: about a 12.5-year payback.
- Payback, typical home
- 12.5 yrsTexas: 14 yrs
- 25-year net
- $34,864after paying $25,340
- Sun
- 1,428kWh per kW per year
- Electricity
- 14.4¢20% below U.S. average
A typical Port Arthur home, by the numbers
| Utility | Entergy Texas |
|---|---|
| Electricity use | 1,237 kWh a month |
| Best-value system | 10.4 kW, about 24 panels, 14,849 kWh a year (100% of use) |
| Cost | $25,340 |
| First-year savings | $2,009 |
| Payback | 12.5 years |
| Exported power | Avoided-cost export credit (Entergy Texas) |
Cash purchase, no federal credit, 2.9% yearly rate increases. Run it with your own numbers.
Homes in Port Arthur
- Owner-occupied homes
- 58%
- Single-family detached
- 69%
- Median home value
- $107k
- Median year built
- 1976
- Population
- 55,828
- Roofs suitable for solar†
- 94%
Census ACS 2020–2024. †Share of 21,203 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Port Arthur
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 Port Arthur
Is solar worth it in Port Arthur, TX?
For a typical home in Port Arthur, solar is worth it at 2026 prices: a 10.4 kW system costs about $25,340 after state incentives, saves about $2,009 in year one and pays back in about 12.5 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Port Arthur?
About 1,428 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 6% less than the Texas average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Port Arthur?
Most homes in Port Arthur are served by Entergy Texas, at about 14.4¢ per kWh on average.
How much do solar panels cost in Port Arthur?
A fair cash price is around $2.60 per watt before incentives, so about $25,340 for a 10.4 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Beaumont 12.5 yrs
- Baytown 12.4 yrs
- Texas City 13.2 yrs
- La Porte 13.1 yrs
- Channelview 13.7 yrs
- Deer Park 13.1 yrs
- Pasadena 13 yrs
- League City 13.2 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.