PanelCensus

Solar installations in Maryland

27,227 recorded installations — prices, growth by year, county breakdown and the installers doing the work.

Dataset updated . Refreshed from LBNL's Tracking the Sun public releases.

Installations
27,227
Total capacity
293.4 MW
Median price
$3.68/W
pre-incentive
Third-party owned
2%
lease / PPA

Most active

Top installers in Maryland

#InstallerInstalls in MD

Maryland installer directory →

Growth

Installations by year

2006
1$4.66/W
2012
69$4.98/W
2013
802$4.76/W
2014
995$3.84/W
2015
1,395$3.85/W
2016
1,680$3.69/W
2017
1,510$3.30/W
2018
2,435$3.21/W
2019
2,125$3.20/W
2020
2,470$3.15/W
2021
3,313$3.52/W
2022
4,792$3.91/W
2023
5,637$4.28/W

Bars: recorded installs · right column: median $/W that year.

By county

Solar by county in Maryland

CountyInstallsCapacityMedian $/W
Prince George's County1,81019.2 MW$4.14/W
Montgomery County1,60317.2 MW$3.11/W
Anne Arundel County9078.9 MW$3.85/W
Baltimore County8117.7 MW$4.12/W
Howard County6357.2 MW$3.10/W
Frederick County4455.3 MW$3.36/W
Harford County4164.6 MW$4.07/W
Charles County2332.3 MW$3.90/W
Carroll County1932.2 MW$3.75/W
Baltimore city1901.3 MW$4.09/W
Cecil County1812.2 MW$3.87/W
St. Mary's County1562.0 MW$3.25/W
Washington County1071.2 MW$3.92/W
Wicomico County911.3 MW$3.85/W
Calvert County831.1 MW$3.57/W
Queen Anne's County54936 kW$3.62/W
Worcester County38469 kW$3.69/W
Kent County30637 kW$3.61/W
Caroline County22346 kW$4.07/W
Talbot County19250 kW$3.03/W
Dorchester County15446 kW$3.60/W
Allegany County11151 kW$3.28/W

Counties derived from installation ZIP codes (Census ZCTA crosswalk) — approximate at boundaries. Counties with fewer than 50 recorded installs are shown but not indexed.

Frequently asked questions

How many solar installations are there in Maryland?

LBNL's Tracking the Sun dataset records 27,227 residential and small-commercial solar installations in Maryland, totalling 293.4 MW of capacity. (Coverage depends on the state's reporting programs, so actual totals are higher.)

How much does solar cost per watt in Maryland?

The median installed price across priced systems in Maryland is $3.68/W pre-incentive. Year-by-year medians are shown on this page.

Who are the biggest solar installers in Maryland?

No resolved installers recorded.