The two numbers that matter
Electricity price: 21.4¢/kWh, above the national state average of 19.3¢. Every kilowatt-hour your panels make replaces one you'd buy at this price, so higher prices mean faster payback.
Sunshine: 4.9 peak sun hours a day, about the same than the state average of 5.0. Each kW of panels here makes roughly 1,389 kWh a year after real-world losses.
Estimates by bill size
| Monthly bill | Usage | System | Cost | Year-1 savings | Payback | 25-yr net |
|---|---|---|---|---|---|---|
| $100/month | 467 kWh | 3.6 kW | $10,900 | $920 | 11 yrs | $20,400 |
| $150/month | 701 kWh | 5.4 kW | $16,350 | $1,380 | 11 yrs | $30,600 |
| $250/month | 1168 kWh | 9.1 kW | $27,240 | $2,300 | 11 yrs | $51,000 |
Assumes $3.00/W installed, 90% usage offset, no federal tax credit, 3% yearly price rise and 0.5% yearly panel degradation. Sources: US Energy Information Administration (EIA), Electric Power Monthly, residential average price, July 2026; NREL PVWatts / NSRDB, average peak sun hours for each state's largest city.
Incentives in maryland.html
Maryland offers a $1,000 residential clean energy grant, subject to funding.
The US 30% Residential Clean Energy Credit ended for homeowner systems installed after December 31, 2025. Leased systems and PPAs may still be priced with a federal business credit. See solar incentives in 2026.
Plug-in and balcony solar in maryland.html
Legal. Maryland's HB 1532 (May 2026) allows plug-in systems up to 1,200 W.
Estimate a kit with the plug-in solar calculator.
Next steps
- Check your actual rate on your bill. Many utilities in maryland.html charge more or less than the state average.
- Run your own numbers in the savings calculator.
- Get at least three quotes and compare the price per watt. Use our quote checklist.
Questions about solar in maryland.html
Is solar worth it in maryland.html?
Good case. Solar usually makes financial sense here if your roof faces south, east or west with little shade.
How much does a solar system cost in maryland.html?
At about $3.00 per watt before incentives, a 5.4 kW system costs roughly $16,350. Local quotes vary with roof, equipment and installer.
How many panels would a maryland.html home need?
For a $150 monthly bill, about 5.4 kW, or roughly 2.3 panels per kW using 430 W panels. Use the system size calculator for your exact usage.