Lancaster, PA 17603 solar market data
Updated September 24, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Lancaster 17603 has 433 solar installations at a median installed cost of $5.62/W, recent growth not yet measurable, and a Market Score of 38 — higher than 20% of U.S. zip markets.
Versus Pennsylvania
How 17603 compares with the state
Installed cost
$0.38/W below
state median $5.99/W
Market score
38 vs 50
Pennsylvania scores 50
Share of state installs
0.49%
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
Growth & pricing
17603 by year
44 installs in the trailing twelve months vs 50 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 17603
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | JK MECHANICAL | 13 | 0 | 7.27 | $5.62 |
| 2 | KC GREEN ENERGY | 5 | 0 | 70.48 | $4.11 |
| 3 | GREENSPRING ENERGY | 4 | 0 | 7.09 | $4.84 |
| 4 | SUNLION ENERGY SYSTEMS | 4 | 0 | 24.52 | $5.60 |
| 5 | GARDEN SPOT ELECTRIC | 2 | 0 | 10.45 | $6.70 |
| 6 | SMUCKERS ENERGY | 2 | 0 | 21.3 | $6.59 |
| 7 | BRIGHT EYE SOLAR | 1 | 0 | 5 | $4.09 |
| 8 | HALLER ENTERPRISES | 1 | 0 | 142.18 | $4.08 |
| 9 | MISTER SPARKY ELECTRIC | 1 | 0 | 9.9 | $6.85 |
| 10 | SAFE SOLAR | 1 | 0 | 6.72 | $6.25 |
| 11 | SOLANCO SOLAR INDUSTRIES | 1 | 0 | 6.3 | $6.21 |
| 12 | SUNTRICITY POWER | 1 | 0 | 3.22 | $8.17 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 17551 Millersville | 1.5 km | 76 | $5.29 | 38 |
| 17554 Mountville | 6.4 km | 84 | $5.92 | 35 |
| 17582 Washington Boro | 6.7 km | 45 | $5.56 | 36 |
| 17602 Lancaster | 7.5 km | 359 | $5.50 | 38 |
| 17516 Conestoga | 7.7 km | 59 | $4.88 | 39 |
| 17601 Lancaster | 8.9 km | 579 | $5.69 | 36 |
Same city
Other zips in Lancaster
Equipment
What gets installed in 17603
Share of systems with a recorded brand
Modules
SCHUCO USA44.4%
GREEN POWER11.1%
SOLARPARK KOREA8.3%
AMERICAN SOLAR WHOLESALE5.6%
LG ELECTRONICS5.6%
Inverters
ENPHASE ENERGY32.4%
SMA AMERICA27.0%
SCHUCO USA18.9%
FRONIUS USA10.8%
PV POWERED5.4%
Frequently asked
Quick answers about 17603
How many solar installations are there in 17603?
SolarDNA counts 433 active solar installations in Lancaster 17603, 408 of them residential, with data through September 24, 2026.
How much does solar cost in 17603?
The median residential system in 17603 cost $5.62 per watt over the trailing twelve months, $0.38/W below the Pennsylvania median.
Is solar growing in 17603?
Recent growth cannot be measured yet for 17603: too few recent installs (data runs through September 24, 2026).
Who installs solar in 17603?
JK MECHANICAL, KC GREEN ENERGY, GREENSPRING ENERGY lead the 13 installers with systems in 17603. The full comp set is above.
Is 17603 a good market for solar sales?
17603 scores 38 out of 100 (Fair, higher than 20% of U.S. zip markets). With under 500 installations the score is provisional.