Solar by state

Solar in Maryland

Across Maryland, homeowners pay about 11.5¢/kWh and a typical 6 kW system pays back in roughly 13.6 years after the 30% federal tax credit.

State avg rate 11.5¢/kWh

Typical payback 13.6yrs

Best Solar Value Fair

Counties in Maryland

Worcester County

13.1¢/kWh · 8,592 kWh/yr

$1,124/yr 11.2 yr payback

13.1¢/kWh · 8,478 kWh/yr

$1,114/yr 11.3 yr payback

Caroline County

13.1¢/kWh · 8,490 kWh/yr

$1,110/yr 11.4 yr payback

St. Mary's County

13.1¢/kWh · 8,430 kWh/yr

$1,108/yr 11.4 yr payback

Dorchester County

13.1¢/kWh · 8,412 kWh/yr

$1,100/yr 11.5 yr payback

13.1¢/kWh · 8,316 kWh/yr

$1,088/yr 11.6 yr payback

13.1¢/kWh · 8,112 kWh/yr

$1,066/yr 11.8 yr payback

Wicomico County

12.0¢/kWh · 8,556 kWh/yr

$1,023/yr 12.3 yr payback

Somerset County

12.0¢/kWh · 8,490 kWh/yr

$1,015/yr 12.4 yr payback

Queen Anne's County

12.0¢/kWh · 8,412 kWh/yr

$1,006/yr 12.5 yr payback

12.0¢/kWh · 8,436 kWh/yr

$1,009/yr 12.5 yr payback

12.0¢/kWh · 8,160 kWh/yr

$976/yr 12.9 yr payback

Montgomery County

11.3¢/kWh · 8,238 kWh/yr

$929/yr 13.6 yr payback

Prince George's County

11.3¢/kWh · 8,166 kWh/yr

$921/yr 13.7 yr payback

Anne Arundel County

10.7¢/kWh · 8,376 kWh/yr

$892/yr 14.1 yr payback

10.7¢/kWh · 8,352 kWh/yr

$889/yr 14.2 yr payback

10.7¢/kWh · 8,250 kWh/yr

$879/yr 14.3 yr payback

10.7¢/kWh · 8,280 kWh/yr

$882/yr 14.3 yr payback

Baltimore County

10.7¢/kWh · 8,220 kWh/yr

$875/yr 14.4 yr payback

10.7¢/kWh · 8,232 kWh/yr

$877/yr 14.4 yr payback

Frederick County

9.5¢/kWh · 7,944 kWh/yr

$755/yr 16.7 yr payback

Washington County

9.4¢/kWh · 7,764 kWh/yr

$729/yr 17.3 yr payback

9.5¢/kWh · 7,392 kWh/yr

$702/yr 17.9 yr payback

Allegany County

9.5¢/kWh · 7,374 kWh/yr

$701/yr 18 yr payback

Figures are modeled estimates from NREL PVWatts v8 + EIA. Not affiliated with NREL, DOE or EIA · not financial advice. Last updated June 2026.