Lititz, PA 17543 solar market data
Updated September 24, 2026 By The SolarDNA Data Team
Lititz 17543 has 636 solar installations at a median installed cost of $5.67/W, installations down 14.1% over the trailing twelve months, and a Market Score of 35 — higher than 14% of U.S. zip markets.
Versus Pennsylvania
How 17543 compares with the state
Installed cost
$0.32/W below
state median $5.99/W
Market score
35 vs 50
Pennsylvania scores 50
Share of state installs
0.72%
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: 56–68 installs (midpoint 62)
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
17543 by year
67 installs in the trailing twelve months vs 78 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 17543
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | JK MECHANICAL | 10 | 0 | 43.4 | $5.10 |
| 2 | MEADOW VALLEY ELECTRIC | 10 | 0 | 39.2 | $5.43 |
| 3 | ASTRUM SOLAR | 6 | 0 | 9.88 | $5.73 |
| 4 | HALLER ENTERPRISES | 5 | 0 | 62.58 | $3.72 |
| 5 | KC GREEN ENERGY | 5 | 0 | 11.33 | $5.95 |
| 6 | SUNLION ENERGY SYSTEMS | 5 | 0 | 4.96 | $7.10 |
| 7 | ADVANCED SOLAR | 4 | 0 | 10.91 | $5.53 |
| 8 | EARTHSPONSE | 3 | 0 | 6.77 | $5.75 |
| 9 | ENDLESS MTN SOLAR SERVICES | 3 | 0 | 6.51 | $6.94 |
| 10 | I NEED SOLAR COM | 3 | 0 | 86.18 | $5.87 |
| 11 | SAFE SOLAR | 3 | 0 | 6.37 | $6.47 |
| 12 | SOLTERRA SOLAR | 2 | 0 | 6.85 | $5.01 |
Equipment
What gets installed in 17543
Share of systems with a recorded brand
Modules
SCHUCO USA17.8%
SUNTECH POWER15.1%
SHARP9.6%
GREEN POWER6.9%
MAGE SOLAR6.9%
Inverters
ENPHASE ENERGY24.7%
FRONIUS USA17.8%
SMA AMERICA17.8%
PV POWERED13.7%
SCHUCO USA13.7%
Frequently asked
Quick answers about 17543
How many solar installations are there in 17543?
SolarDNA counts 636 active solar installations in Lititz 17543, 564 of them residential, with data through September 24, 2026.
How much does solar cost in 17543?
The median residential system in 17543 cost $5.67 per watt over the trailing twelve months, $0.32/W below the Pennsylvania median.
Is solar growing in 17543?
Installations in 17543 are down 14.1%: 67 in the trailing twelve months versus 78 before.
Who installs solar in 17543?
JK MECHANICAL, MEADOW VALLEY ELECTRIC, ASTRUM SOLAR lead the 24 installers with systems in 17543. The full comp set is above.
Is 17543 a good market for solar sales?
17543 scores 35 out of 100 (Fair, higher than 14% of U.S. zip markets).