Solar in McKinney, TX
With Denton County Electric Cooperative's electricity at about 13.7¢ per kWh and 1,526 kWh of sun per kW, solar is a close call for a typical McKinney home today: about a 15.7-year payback.
- Payback, typical home
- 15.7 yrsTexas: 14 yrs
- 25-year net
- $10,567after paying $13,370
- Sun
- 1,526kWh per kW per year
- Electricity
- 13.7¢24% below U.S. average
A typical McKinney home, by the numbers
| Utility | Denton County Electric Cooperative |
|---|---|
| Electricity use | 1,192 kWh a month |
| Best-value system | 4.7 kW, about 11 panels, 7,172 kWh a year (50% of use) |
| Cost | $13,370 |
| First-year savings | $841 |
| Payback | 15.7 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 McKinney
- Owner-occupied homes
- 64%
- Single-family detached
- 71%
- Median home value
- $472k
- Median year built
- 2007
- Population
- 210,600
- Roofs suitable for solar†
- 98%
Census ACS 2020–2024. †Share of 20,730 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in McKinney
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 McKinney
Is solar worth it in McKinney, TX?
For a typical home in McKinney, solar is a close call at 2026 prices: a 4.7 kW system costs about $13,370 after state incentives, saves about $841 in year one and pays back in about 15.7 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in McKinney?
About 1,526 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 McKinney?
Most homes in McKinney are served by Denton County Electric Cooperative, at about 13.7¢ per kWh on average. Some areas are served by Grayson-Collin Electric Cooperative, Oncor, Farmers Electric Cooperative.
How much do solar panels cost in McKinney?
A fair cash price is around $2.60 per watt before incentives, so about $13,370 for a 4.7 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Allen 15.8 yrs
- Prosper 15.6 yrs
- Princeton 12.6 yrs
- Frisco 15.7 yrs
- Plano 12.6 yrs
- Celina 15.7 yrs
- Wylie 15.5 yrs
- Little Elm 15.7 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.