United States › Pennsylvania › Lancaster County

Lancaster County, PA solar installation & market data

Updated October 1, 2026 By The SolarDNA Data Team

Lancaster County has 5,904 solar installations across 55 zip codes at a median installed cost of $5.58/W, installations down 3.3% over the trailing twelve months, and an installs-weighted Market Score of 37.

See Lancaster County on the map Pennsylvania market

Active installations

5,904

Zip markets

Median cost

$5.58/W

12-mo growth

▼ 3.3%

Installers active

County Market Score

Fair · installs-weighted across 55 zips

Best zip in Lancaster County scores higher than 49% of U.S. zip markets.

Versus Pennsylvania

How Lancaster County compares with the state

Installed cost

$0.41/W below

state median $5.99/W

Market score

37 vs 50

Pennsylvania scores 50

Share of state installs

6.67%

of 88.5K tracked statewide

Battery attach

0.0%

state 0.0%

Statewide momentum

▲ 48.7%

residential solar added in Pennsylvania, 12 months through Jul 2026

Statewide market

105.3K systems

2.8% of homes · utility-reported through Jul 2026

Next-12-month outlook: 606–740 installs (midpoint 673)

Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±10% band. Not a forecast of permits or policy.

Growth & pricing

Lancaster County by year

684 installs in the trailing twelve months vs 707 before

Installations by year

Median installed cost, $/W DC by year

Installer comp set

Who installs in Lancaster County

Summed across every zip in the county

Export CSV

#	Installer	Installs	Zips	$/W
1	JK MECHANICAL	160	32	$5.34
2	SUNLION ENERGY SYSTEMS	129	30	$5.33
3	ADVANCED SOLAR	71	24	$5.70
4	KC GREEN ENERGY	69	22	$5.14
5	SMUCKERS ENERGY	39	20	$5.79
6	MEADOW VALLEY ELECTRIC	36	12	$5.61
7	PARADISE ENERGY SOLUTIONS	32	14	$5.12
8	GREENSPRING ENERGY	32	15	$6.01
9	ASTRUM SOLAR	21	13	$5.50
10	HALLER ENTERPRISES	21	11	$4.85
11	WORLEY AND OBETZ	18	10	$5.94
12	SAFE SOLAR	16	10	$6.53
13	ENDLESS MTN SOLAR SERVICES	13	8	$7.04
14	I NEED SOLAR COM	13	8	$5.93
15	SUNTRICITY POWER	13	9	$7.32
16	GARDEN SPOT ELECTRIC	9	4	$6.40
17	SOLANCO SOLAR INDUSTRIES	8	5	$5.17
18	RICHARD M KLINE SON	6	3	$6.16
19	LONGS CONSTRUCTION	5	1	$6.17
20	MISTER SPARKY ELECTRIC	5	5	$6.67
21	APPROVED BY	5	3	$4.39
22	SOLTERRA SOLAR	5	3	$5.00
23	AIREVOLUTION WIND ENERGY SYSTEMS	5	5	$3.95
24	BRIGHT EYE SOLAR	5	5	$4.59
25	AZTEC SOLAR POWER	5	5	$6.66

Zip markets

Zips in Lancaster County

Ranked by installations · click for the zip market

Zip	Installs	$/W	Score
17543	636	$5.67	35 D
17601	579	$5.69	36 D
17603	433	$5.62	38 D
17545	395	$5.51	38 D
17602	359	$5.50	38 D
17022	351	$5.81	37 D
17552	316	$5.24	39 C
17522	286	$5.25	39 C
17512	215	$5.07	39 C
17517	212	$6.26	34 D
17557	171	$5.52	37 D
17584	170	$5.86	35 D
17566	137	$5.02	39 C
17538	103	$6.26	33 D
17540	102	$4.38	42 C
17547	93	$4.75	40 C
17569	88	$5.40	37 D
17554	84	$5.92	35 D
17579	83	$5.71	36 D
17578	80	$6.03	34 D
17551	76	$5.29	38 D
17519	75	$5.35	37 D
17560	73	$5.43	37 D
17501	69	$6.16	33 D
17516	59	$4.88	39 C
17520	58	$7.68	32 F
17502	57	$6.19	33 D
17532	53	$6.18	33 D
17527	50	$5.60	36 D
17555	50	$5.90	35 D
17582	45	$5.56	36 D
17562	45	$5.85	35 D
17529	45	$5.59	36 D
17563	40	$4.87	39 C
17572	33	$4.42	41 C
17509	30	$6.50	32 F
17536	23	$5.65	36 D
17535	22	$6.02	34 D
17565	21	$5.68	35 D
17581	17	$5.48	36 D
17518	15	$5.18	38 D
17508	11	$4.99	39 C
19501	9	$5.88	34 D
17550	7	$5.73	35 D
17576	6	$5.52	36 D
17505	6	$5.91	34 D
17580	3	—	42 C
17534	3	$5.88	34 D
17605	2	—	42 C
17570	2	$5.61	36 D
17607	2	—	42 C
17549	1	—	42 C
17568	1	—	42 C
17506	1	$4.27	42 C
17604	1	$7.30	32 F