Cost & Savings Breakdown
Based on $150/month electric bill in Gaithersburg
System Size
8.7 kW
Annual Production
11,496 kWh
Gross System Cost
$27,122
Federal Tax Credit (30%)
-$8,136
State Incentive
-$1,000
Net Cost
$17,985
Monthly Savings
$122
CO₂ Offset/yr
10,576 lbs
25-Year Savings Projection
Utility & Net Metering
Local UtilityPEPCO
Net Metering PolicyFull Retail
Compensation RateFull retail rate
Capacity LimitNo overall limit
Electricity Rate$0.127/kWh
Peak Sun Hours4.5 hrs/day
Available Incentives
30%
Federal ITC — Deduct 30% of your system cost from federal taxes. Available through 2032.
$1,000
Maryland State Incentive — Maryland offers a $1,000 state grant for residential solar.
Common Questions
How much does solar cost in Gaithersburg?
Solar in Gaithersburg, Maryland costs approximately $27,122 for a 8.7 kW system. After the 30% federal tax credit, your net cost is about $17,985.
What is the solar payback period in Gaithersburg?
The estimated payback period for solar in Gaithersburg is 12.3 years, based on a $150/month electric bill and local sun hours of 4.5 hrs/day.
Does PEPCO offer net metering?
PEPCO offers Full Retail net metering. Full retail rate.