Solar Panel Savings in Stone Mountain, GA
Calculate how much you can save with solar panels in Stone Mountain, Georgia. Based on 4.8 peak sun hours/day and 10.9¢/kWh average electricity rate.
4.8
Peak Sun Hours/Day
10.9¢
Avg Rate (¢/kWh)
11.7 yr
Payback Period
$31k
25-Year Savings
Stone Mountain Solar Overview
Calculate Your Stone Mountain Solar Savings
Stone Mountain average: $98/mo
South-facing roofs produce the most energy
Add $8,000-$12,000 for whole-home battery backup
Annual Production
kWh/year
Annual Savings
per year
Net System Cost
after 30% ITC
Payback Period
break-even time
25-Year Total Savings
$31,425
Monthly Savings
$77
Federal Tax Credit
$4,500
Cumulative Savings vs System Cost
Cost Breakdown
| Item | Stone Mountain | National Avg |
|---|---|---|
| Gross System Cost (6kW) | $15,000 | $17,100 |
| Federal Tax Credit (30%) | -$4,500 | -$5,130 |
| Net System Cost | $10,500 | $11,970 |
| Cost Per Watt | $2.50/W | $2.85/W |
Solar Potential in Stone Mountain
Sun Hours vs National Average
Stone Mountain gets 7% more sun than the national average.
Climate Advantages
- 214 sunny days per year
- Average temperature: 62°F — moderate climate with good solar conditions
- Average roof size: 1,706 sq ft — enough for a 94-panel system
Stone Mountain Solar Incentives & Programs
Federal Investment Tax Credit (ITC)
30% of total system cost deducted from federal taxes. For a $15,000 system, that's a $4,500 credit. Valid through 2032.
Georgia State Incentives
Georgia Power solar buyback program.
Net Metering — Georgia Power
Georgia Power does not currently offer standard net metering in Stone Mountain. Alternative buyback programs may be available — contact them for details.
Environmental Impact in Stone Mountain
3.5
Tons CO2 Offset/Year
58
Equivalent Trees Planted
0.8
Homes Worth of Energy
Based on 8,410 kWh annual production with a 6kW system. EPA average: 0.417 metric tons CO2 per MWh, 10,632 kWh per US home.
Solar Energy in Stone Mountain, Georgia
Stone Mountain, Georgia receives an average of 4.8 peak sun hours per day, providing excellent conditions for residential solar installations. With electricity rates averaging 10.9¢ per kWh from Georgia Power, below the national average, but with rates rising 2-3% annually, the long-term savings are still meaningful.
A typical 6kW solar system in Stone Mountain produces approximately 8,410 kWh per year, saving homeowners an estimated $920 annually. The system pays for itself in about 11.4 years, after which you enjoy essentially free electricity for the remaining 14+ years of the system's warranty life.
Stone Mountain has a solar penetration rate of 5.5% — showing growing adoption of residential solar, with significant room for expansion. The cost of living index of 86.6 (national average: 100) reflects a lower cost of living, keeping installation costs competitive.
Other Cities in Georgia
Methodology & Solar Data Sources for Stone Mountain
How we calculate Stone Mountain solar potential and savings: Solar production estimates use NREL's PVWatts calculator methodology, applied to Stone Mountain's specific solar irradiance (peak sun hours), tilt angle, and azimuth. Cost figures combine NREL's Annual Technology Baseline for system pricing, ENERGY STAR's database for residential PV averages, and EIA Form 861 utility rate data for Georgia.
- Solar irradiance for Stone Mountain: based on NREL National Solar Radiation Database (NSRDB) — 30-year average peak sun hours per day.
- System sizing assumes residential rooftop installation with standard 350-400W panels, calibrated to typical Stone Mountain household electricity usage.
- Federal tax credit: 30% Investment Tax Credit (ITC) per Inflation Reduction Act, available through 2032 for residential systems.
- Net metering assumes 1:1 retail-rate compensation typical in Georgia (verify with local utility — some have shifted to net billing or avoided-cost rates).
- System lifetime standard 25 years with annual degradation of 0.5%/year per industry warranty norms.
Authoritative US solar data sources:
- NREL PVWatts Calculator — official US solar production estimator
- NREL National Solar Radiation Database — 30-year solar irradiance data
- DOE Federal Solar Tax Credit Guide — Inflation Reduction Act incentive details
- DSIRE — State Solar Incentives — searchable database for Georgia
- EIA Electric Power Monthly — Georgia utility rate data
- ENERGY STAR Solar — efficient solar product database
Solar Disclaimer: Solar savings vary based on roof orientation, shading, system quality, installer markup, financing terms, utility rate plan, and policy changes. Always get 3+ quotes from NABCEP-certified installers and review contracts carefully. Tax credit eligibility depends on tax liability — consult a tax professional.
Reviewed by Brazora Monk · Last updated 2026 · NREL irradiance data per NSRDB latest release
Frequently Asked Questions
How much do solar panels cost in Stone Mountain, GA?
The average cost of a 6kW solar panel system in Stone Mountain is approximately $15,000 before incentives ($2.50/watt). After the 30% federal Investment Tax Credit, the net cost is about $10,500. Georgia Power solar buyback program.
How many peak sun hours does Stone Mountain get?
Stone Mountain, GA receives an average of 4.8 peak sun hours per day and approximately 214 sunny days per year. This is near the national average, providing good conditions for residential solar panels.
What is the solar payback period in Stone Mountain?
The average solar payback period in Stone Mountain is approximately 11.7 years. After payback, your solar panels generate essentially free electricity for the remaining 15-20 years of their warranty. Over 25 years, total savings can reach $31,425.
Does Stone Mountain have net metering?
Stone Mountain does not currently have standard net metering. However, Georgia Power may offer alternative solar buyback programs. Contact them for current rates and policies.
Is solar worth it in Stone Mountain, GA?
Yes, solar is a solid investment in Stone Mountain. While the 11.7-year payback is moderate, you'll still save $31,425 over 25 years. The 30% federal tax credit and local incentives help make solar financially attractive.