Solar Panel Savings in McLean, VA
Calculate how much you can save with solar panels in McLean, Virginia. Based on 4.3 peak sun hours/day and 11.5¢/kWh average electricity rate.
4.3
Peak Sun Hours/Day
11.5¢
Avg Rate (¢/kWh)
12.5 yr
Payback Period
$30k
25-Year Savings
McLean Solar Overview
Calculate Your McLean Solar Savings
McLean average: $103/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
$29,512
Monthly Savings
$72
Federal Tax Credit
$4,500
Cumulative Savings vs System Cost
Cost Breakdown
| Item | McLean | 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 McLean
Sun Hours vs National Average
McLean gets 4% less sun than the national average, but high-efficiency panels compensate.
Climate Advantages
- 209 sunny days per year
- Average temperature: 58°F — cooler temps actually improve panel efficiency
- Average roof size: 1,786 sq ft — enough for a 99-panel system
McLean 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.
Virginia State Incentives
Net metering; sales tax exemption.
Net Metering — Dominion Energy
Dominion Energy offers net metering in McLean. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.
Environmental Impact in McLean
3.1
Tons CO2 Offset/Year
52
Equivalent Trees Planted
0.7
Homes Worth of Energy
Based on 7,534 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 McLean, Virginia
McLean, Virginia receives an average of 4.3 peak sun hours per day, offering adequate solar resources for homeowners looking to reduce their electricity bills. With electricity rates averaging 11.5¢ 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 McLean produces approximately 7,534 kWh per year, saving homeowners an estimated $864 annually. The system pays for itself in about 12.2 years, after which you enjoy essentially free electricity for the remaining 13+ years of the system's warranty life.
McLean has a solar penetration rate of 8.6% — showing growing adoption of residential solar, with significant room for expansion. The cost of living index of 104.9 (national average: 100) is near the national average.
Other Cities in Virginia
Alexandria, VA
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 McLean, VA?
The average cost of a 6kW solar panel system in McLean is approximately $15,000 before incentives ($2.50/watt). After the 30% federal Investment Tax Credit, the net cost is about $10,500. Net metering; sales tax exemption.
How many peak sun hours does McLean get?
McLean, VA receives an average of 4.3 peak sun hours per day and approximately 209 sunny days per year. This is near the national average, providing good conditions for residential solar panels.
What is the solar payback period in McLean?
The average solar payback period in McLean is approximately 12.5 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 $29,512.
Does McLean have net metering?
Yes, McLean 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 McLean, VA?
Yes, solar is a solid investment in McLean. While the 12.5-year payback is moderate, you'll still save $29,512 over 25 years. The 30% federal tax credit and local incentives help make solar financially attractive.