Solar in Alpharetta, GA
With Georgia Power's electricity at about 16.7¢ per kWh and 1,417 kWh of sun per kW, solar is a close call for a typical Alpharetta home today: about a 16-year payback.
- Payback, typical home
- 16 yrsGeorgia: 17.2 yrs
- 25-year net
- $9,532after paying $13,580
- Sun
- 1,417kWh per kW per year
- Electricity
- 16.7¢7% below U.S. average
A typical Alpharetta home, by the numbers
| Utility | Georgia Power |
|---|---|
| Electricity use | 990 kWh a month |
| Best-value system | 4.2 kW, about 10 panels, 5,950 kWh a year (50% of use) |
| Cost | $13,580 |
| First-year savings | $847 |
| Payback | 16.0 years |
| Exported power | 7.22¢/kWh (Georgia Power) |
Cash purchase, no federal credit, 2.5% yearly rate increases. Run it with your own numbers.
Homes in Alpharetta
- Owner-occupied homes
- 65%
- Single-family detached
- 56%
- Median home value
- $649k
- Median year built
- 1996
- Population
- 66,855
- Roofs suitable for solar†
- 80%
Census ACS 2020–2024. †Share of 13,758 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Alpharetta
Public installation records for Georgia don't name installers, so we can't rank local companies here. Browse installers in Georgia.
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Alpharetta
Is solar worth it in Alpharetta, GA?
For a typical home in Alpharetta, solar is a close call at 2026 prices: a 4.2 kW system costs about $13,580 after state incentives, saves about $847 in year one and pays back in about 16 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Alpharetta?
About 1,417 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 0% less than the Georgia average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Alpharetta?
Most homes in Alpharetta are served by Georgia Power, at about 16.7¢ per kWh on average. Some areas are served by Sawnee Electric Membership Corporation, Cobb Electric Membership.
How much do solar panels cost in Alpharetta?
A fair cash price is around $2.90 per watt before incentives, so about $13,580 for a 4.2 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Johns Creek 16.1 yrs
- Roswell 15.9 yrs
- Milton 16 yrs
- Peachtree Corners 16 yrs
- Duluth 16.2 yrs
- Dunwoody 15.9 yrs
- Sandy Springs 16.1 yrs
- Chamblee 16 yrs
- All of Georgia
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.