Solar in Princeton, TX
With Grayson-Collin Electric Cooperative's electricity at about 17.7¢ per kWh and 1,523 kWh of sun per kW, solar is worth it for a typical Princeton home today: about a 12.6-year payback.
- Payback, typical home
- 12.6 yrsTexas: 14 yrs
- 25-year net
- $16,702after paying $12,740
- Sun
- 1,523kWh per kW per year
- Electricity
- 17.7¢2% below U.S. average
A typical Princeton home, by the numbers
| Utility | Grayson-Collin Electric Cooperative |
|---|---|
| Electricity use | 1,128 kWh a month |
| Best-value system | 4.4 kW, about 10 panels, 6,702 kWh a year (50% of use) |
| Cost | $12,740 |
| First-year savings | $989 |
| Payback | 12.6 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 Princeton
- Owner-occupied homes
- 76%
- Single-family detached
- 86%
- Median home value
- $331k
- Median year built
- 2014
- Population
- 25,229
Census ACS 2020–2024.
Installers working in Princeton
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 Princeton
Is solar worth it in Princeton, TX?
For a typical home in Princeton, solar is worth it at 2026 prices: a 4.4 kW system costs about $12,740 after state incentives, saves about $989 in year one and pays back in about 12.6 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Princeton?
About 1,523 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 0% more than the Texas average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Princeton?
Most homes in Princeton are served by Grayson-Collin Electric Cooperative, at about 17.7¢ per kWh on average.
How much do solar panels cost in Princeton?
A fair cash price is around $2.60 per watt before incentives, so about $12,740 for a 4.4 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- McKinney 15.7 yrs
- Wylie 15.5 yrs
- Allen 15.8 yrs
- Sachse 15.7 yrs
- Plano 12.6 yrs
- Prosper 15.6 yrs
- Frisco 15.7 yrs
- Richardson 15.5 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.