PanelCensus

Solar installations in Pennsylvania

24,332 recorded installations — prices, growth by year, county breakdown and the installers doing the work.

Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.

Homes with solar
0.42%
of 5,779,663 homes
Installations
24,332
Total capacity
2.5 GW
Median price
$5.75/W
pre-incentive
Third-party owned
0%
lease / PPA

Most active

Top installers in Pennsylvania

#InstallerInstalls in PA
1PosiGen Provider LLC2,968
2Vivint Solar1,293
3Solar States1,111
4Astrum Solar657
5Greenspring Energy439
6Palmetto Solar400
7Sunlion Energy Systems356
8Energy Independent Solutions337
9Endless Mtn Solar Services315
10Advanced Solar283
11Jk Mechanical278
12Heat Shed276
13Velocity Energy and Home Solutions 259
14Sunnymac245
15Trinity Solar231

Pennsylvania installer directory →

Growth

Installations by year

YearNewCumulative% homes
2005
99
1670.00%
2006
13
1800.00%
2007
24
2040.00%
2008
28
2320.00%
2009
485
7170.01%
2010
2,946
3,6630.06%
2011
2,916
6,5790.11%
2012
1,058
7,6370.13%
2013
622
8,2590.14%
2014
106
8,3650.14%
2015
146
8,5110.15%
2016
441
8,9520.15%
2017
569
9,5210.17%
2018
703
10,2240.18%
2019
845
11,0690.19%
2020
801
11,8700.20%
2021
1,040
12,9100.22%
2022
1,879
14,7890.26%
2023
2,344
17,1330.30%
2024
2,660
19,7930.34%
2025
2,286
22,0790.38%
2026
178
22,2570.39%

New installs per year and the running cumulative total, plus % of homes with solar (ACS housing units).

By county

Solar by county in Pennsylvania

CountyInstalls% homesCapacityMedian $/W
Philadelphia County7,8441.1%93.4 MW$6.48/W
Allegheny County1,5990.26%59.2 MW$2.37/W
Lancaster County1,5200.70%127.8 MW$5.50/W
Berks County1,2520.73%68.7 MW$5.80/W
Chester County1,0840.51%40.5 MW$6.10/W
Montgomery County9460.27%50.8 MW$6.13/W
Bucks County8690.34%34.6 MW$6.25/W
York County6760.36%91.7 MW$5.93/W
Cumberland County4260.39%53.6 MW$5.87/W
Northampton County4010.31%35.4 MW$6.14/W
Lehigh County3680.24%28.0 MW$6.15/W
Dauphin County3530.28%28.3 MW$5.82/W
Lebanon County3410.57%24.6 MW$5.75/W
Delaware County3400.15%9.7 MW$6.21/W
Luzerne County2420.16%10.9 MW$6.63/W
Schuylkill County2140.32%20.9 MW$6.04/W
Franklin County2100.31%129.0 MW$5.77/W
Monroe County2070.26%12.9 MW$6.34/W
Adams County1850.43%87.5 MW$5.58/W
Centre County1640.25%17.1 MW$6.50/W
Columbia County1590.53%14.2 MW$6.17/W
Perry County1560.78%9.6 MW$5.82/W
Northumberland County1350.31%134.2 MW$5.28/W
Westmoreland County1310.08%62.7 MW$5.21/W
Lackawanna County1280.13%8.1 MW$6.38/W
Lycoming County1200.23%13.9 MW$5.51/W
Wayne County1040.32%1.6 MW$5.85/W
Washington County1000.10%30.7 MW$5.50/W
Snyder County970.60%57.8 MW$5.75/W
Carbon County940.27%30.9 MW$5.81/W
Union County920.57%6.1 MW$5.63/W
Erie County900.07%25.9 MW$5.85/W
Beaver County850.11%150.5 MW$5.30/W
Montour County770.95%9.6 MW$5.37/W
Bradford County670.23%2.7 MW$6.67/W
Juniata County600.57%49.3 MW$5.50/W
Mifflin County600.28%8.9 MW$5.57/W
Blair County580.10%1.5 MW$5.70/W
Butler County580.07%8.7 MW$5.05/W
Pike County540.14%1.1 MW$6.15/W
Cambria County530.08%3.0 MW$5.75/W
Susquehanna County460.22%1.1 MW$6.29/W
Fayette County410.07%60.8 MW$6.06/W
Clinton County380.20%685 kW$5.83/W
Mercer County370.07%39.7 MW$5.46/W
Somerset County330.09%22.0 MW$5.84/W
Bedford County280.12%1.2 MW$4.85/W
Wyoming County270.21%261 kW$6.38/W
Indiana County230.06%853 kW$5.49/W
Fulton County200.28%83.5 MW$6.25/W
Huntingdon County200.10%1.5 MW$5.55/W
Tioga County190.09%2.5 MW$6.70/W
Crawford County180.04%357 kW$5.90/W
Lawrence County150.04%2.8 MW$5.74/W
Greene County140.09%496 kW$6.93/W
Clearfield County130.03%89.4 MW$6.06/W
Elk Countylimited90.05%900 kW$4.83/W
Armstrong Countylimited80.03%147 kW$4.86/W
Jefferson Countylimited80.04%105 kW$6.70/W
Venango Countylimited80.03%27.6 MW$6.65/W
Sullivan Countylimited70.13%106 kW$5.72/W
Clarion Countylimited60.03%65 kW$4.53/W
Forest Countylimited40.06%26.8 MW—
Potter Countylimited30.02%19 kW$4.31/W
Cameron Countylimited20.05%38 kW$5.65/W
McKean Countylimited10.01%44 kW—
Warren Countylimited10.01%32 kW—

Counties derived from installation ZIP codes (Census ZCTA crosswalk) — approximate at boundaries. Counties marked limited have under 10 recorded installs, so their medians and penetration are indicative only. % homes = recorded installs ÷ housing units (U.S. Census ACS 5-Year, B25001).

Search every recorded Pennsylvania installation — by installer, size, date, storage and equipment.

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Hardware

Top solar equipment in Pennsylvania

#Panel manufacturerSystems
1Schuco USA115
2LG101
3Sharp95
4SolarWorld93
5Yingli Energy (China)88
6Suntech Power86
7ET Solar Industry84
8Trina Solar76
#Inverter manufacturerSystems
1Enphase468
2SolarEdge434
3SMA America393
4Fronius USA187
5Perfect Galaxy151
6PV Powered108

From recorded equipment on Pennsylvania systems (Tracking the Sun + state/permit data); counts are systems where the manufacturer is known.

Developers

Top solar developers in Pennsylvania

#DeveloperSystems
1PosiGen Provider LLC2,968
2SOLAR STATES LLC1,111
3VIVINT SOLAR DEVELOPER LLC969
4VIVINT SOLAR HOLDINGS, INC.324
5Velocity Energy and Home Solutions 259
6SunnyMac LLC242
7KISS ELECTRIC217
8Energy Independent Solutions,LLC185

Developer/EPC named on the permit or program record — often the same firm as the installer.

Frequently asked questions

How many solar installations are there in Pennsylvania?

PanelCensus records 24,332 solar installations in Pennsylvania, totalling 2.5 GW of capacity — about 0.42% of the state's 5,779,663 housing units (U.S. Census ACS) — compiled from LBNL's Tracking the Sun, city permit records, state programs and USGS/EIA utility-scale data. (Coverage depends on what the state publishes, so actual totals are higher.)

How much does solar cost per watt in Pennsylvania?

The median installed price across priced systems in Pennsylvania is $5.75/W pre-incentive. Year-by-year medians are shown on this page.

Who are the biggest solar installers in Pennsylvania?

PosiGen Provider LLC has the most recorded installations in Pennsylvania (2,968), followed by Vivint Solar (1,293).