Solar Panel Savings in McNair, VA
Calculate how much you can save with solar panels in McNair, Virginia. Based on 4.4 peak sun hours/day and 10.4¢/kWh average electricity rate.
4.4
Peak Sun Hours/Day
10.4¢
Avg Rate (¢/kWh)
13.9 yr
Payback Period
$27k
25-Year Savings
McNair Solar Overview
Calculate Your McNair Solar Savings
McNair average: $94/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
$27,360
Monthly Savings
$67
Federal Tax Credit
$4,644
Cumulative Savings vs System Cost
Cost Breakdown
| Item | McNair | National Avg |
|---|---|---|
| Gross System Cost (6kW) | $15,480 | $17,100 |
| Federal Tax Credit (30%) | -$4,644 | -$5,130 |
| Net System Cost | $10,836 | $11,970 |
| Cost Per Watt | $2.58/W | $2.85/W |
Solar Potential in McNair
Sun Hours vs National Average
McNair gets 2% less sun than the national average, but high-efficiency panels compensate.
Climate Advantages
- 209 sunny days per year
- Average temperature: 60°F — moderate climate with good solar conditions
- Average roof size: 1,845 sq ft — enough for a 102-panel system
McNair Solar Incentives & Programs
Federal Investment Tax Credit (ITC)
30% of total system cost deducted from federal taxes. For a $15,480 system, that's a $4,644 credit. Valid through 2032.
Virginia State Incentives
Net metering; sales tax exemption.
Net Metering — Dominion Energy
Dominion Energy offers net metering in McNair. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.
Environmental Impact in McNair
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 McNair, Virginia
McNair, 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 10.4¢ 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 McNair produces approximately 7,709 kWh per year, saving homeowners an estimated $801 annually. The system pays for itself in about 13.5 years, after which you enjoy essentially free electricity for the remaining 11+ years of the system's warranty life.
McNair has a solar penetration rate of 6.9% — showing growing adoption of residential solar, with significant room for expansion. The cost of living index of 101.8 (national average: 100) is near the national average.
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Frequently Asked Questions
How much do solar panels cost in McNair, VA?
The average cost of a 6kW solar panel system in McNair is approximately $15,480 before incentives ($2.58/watt). After the 30% federal Investment Tax Credit, the net cost is about $10,836. Net metering; sales tax exemption.
How many peak sun hours does McNair get?
McNair, VA receives an average of 4.4 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 McNair?
The average solar payback period in McNair is approximately 13.9 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 $27,360.
Does McNair have net metering?
Yes, McNair 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 McNair, VA?
Yes, solar is a solid investment in McNair. While the 13.9-year payback is moderate, you'll still save $27,360 over 25 years. The 30% federal tax credit and local incentives help make solar financially attractive.