Solar Panel Savings in Annandale, VA
Calculate how much you can save with solar panels in Annandale, Virginia. Based on 4.4 peak sun hours/day and 10.9¢/kWh average electricity rate.
4.4
Peak Sun Hours/Day
10.9¢
Avg Rate (¢/kWh)
16.7 yr
Payback Period
$29k
25-Year Savings
Annandale Solar Overview
Calculate Your Annandale Solar Savings
Annandale average: $99/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
$28,829
Monthly Savings
$70
Federal Tax Credit
$5,886
Cumulative Savings vs System Cost
Cost Breakdown
| Item | Annandale | National Avg |
|---|---|---|
| Gross System Cost (6kW) | $19,620 | $17,100 |
| Federal Tax Credit (30%) | -$5,886 | -$5,130 |
| Net System Cost | $13,734 | $11,970 |
| Cost Per Watt | $3.27/W | $2.85/W |
Solar Potential in Annandale
Sun Hours vs National Average
Annandale gets 2% less sun than the national average, but high-efficiency panels compensate.
Climate Advantages
- 212 sunny days per year
- Average temperature: 56°F — cooler temps actually improve panel efficiency
- Average roof size: 1,859 sq ft — enough for a 103-panel system
Annandale Solar Incentives & Programs
Federal Investment Tax Credit (ITC)
30% of total system cost deducted from federal taxes. For a $19,620 system, that's a $5,886 credit. Valid through 2032.
Virginia State Incentives
Net metering; sales tax exemption.
Net Metering — Dominion Energy
Dominion Energy offers net metering in Annandale. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.
Environmental Impact in Annandale
3.2
Tons CO2 Offset/Year
53
Equivalent Trees Planted
0.7
Homes Worth of Energy
Based on 7,709 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 Annandale, Virginia
Annandale, Virginia receives an average of 4.4 peak sun hours per day, offering adequate solar resources for homeowners looking to reduce their electricity bills. With electricity rates averaging 10.9¢ per kWh from Dominion Energy, below the national average, but with rates rising 2-3% annually, the long-term savings are still meaningful.
A typical 6kW solar system in Annandale produces approximately 7,709 kWh per year, saving homeowners an estimated $844 annually. The system pays for itself in about 16.3 years, after which you enjoy essentially free electricity for the remaining 9+ years of the system's warranty life.
Annandale has a solar penetration rate of 6.2% — showing growing adoption of residential solar, with significant room for expansion. The cost of living index of 104.7 (national average: 100) is near the national average.
Other Cities in Virginia
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Chesapeake, VA
Hampton, VA
Lynchburg, VA
Newport News, VA
Norfolk, VA
Richmond, VA
Roanoke, VA
Virginia Beach, VA
Frequently Asked Questions
How much do solar panels cost in Annandale, VA?
The average cost of a 6kW solar panel system in Annandale is approximately $19,620 before incentives ($3.27/watt). After the 30% federal Investment Tax Credit, the net cost is about $13,734. Net metering; sales tax exemption.
How many peak sun hours does Annandale get?
Annandale, VA receives an average of 4.4 peak sun hours per day and approximately 212 sunny days per year. This is near the national average, providing good conditions for residential solar panels.
What is the solar payback period in Annandale?
The average solar payback period in Annandale is approximately 16.7 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 $28,829.
Does Annandale have net metering?
Yes, Annandale has access to net metering through Dominion Energy. This allows you to earn credits for excess solar energy sent to the grid, significantly improving your solar investment returns.
Is solar worth it in Annandale, VA?
Solar can still be worthwhile in Annandale, especially with rising electricity rates. The 16.7-year payback means long-term savings of $28,829 over the system lifetime. The 30% federal tax credit and local incentives help make solar financially attractive.