Typical home: Not worth it

Solar in Marietta, GA

With City of Marietta's electricity at about 12.2¢ per kWh and 1,407 kWh of sun per kW, solar is not worth it for a typical Marietta home today: about a 22.1-year payback.

Payback, typical home
22.1 yrsGeorgia: 17.2 yrs
25-year net
$1,890after paying $11,900
Sun
1,407kWh per kW per year
Electricity
12.2¢32% below U.S. average

A typical Marietta home, by the numbers

UtilityCity of Marietta
Electricity use830 kWh a month
Best-value system3.5 kW, about 8 panels, 4,926 kWh a year (49% of use)
Cost$11,900
First-year savings$540
Payback22.1 years
Exported powerReduced export credit (Georgia rule)

Cash purchase, no federal credit, 2.5% yearly rate increases. Run it with your own numbers.

Solar production per kW in Marietta

kWh per kW each month, south-facing at 20° tilt. PVWatts v8 with local typical-year weather.

Show as a table
PeriodValue
Jan93
Feb95
Mar125
Apr135
May143
Jun144
Jul137
Aug129
Sep122
Oct121
Nov94
Dec71

Homes in Marietta

Owner-occupied homes
47%
Single-family detached
43%
Median home value
$449k
Median year built
1987
Population
62,263
Roofs suitable for solar†
77%

Census ACS 2020–2024. †Share of 13,144 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Marietta

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 Marietta

Is solar worth it in Marietta, GA?

For a typical home in Marietta, solar is not worth it at 2026 prices: a 3.5 kW system costs about $11,900 after state incentives, saves about $540 in year one and pays back in about 22.1 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Marietta?

About 1,407 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% less than the Georgia average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Marietta?

Most homes in Marietta are served by City of Marietta, at about 12.2¢ per kWh on average. Some areas are served by Georgia Power, Cobb Electric Membership.

How much do solar panels cost in Marietta?

A fair cash price is around $2.90 per watt before incentives, so about $11,900 for a 3.5 kW system. There's no federal tax credit for homeowners who buy in 2026.

Nearby

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.