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United States ›Pennsylvania ›Irwin ›15642

Irwin, PA 15642 solar market data

Updated September 28, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Irwin 15642 has 123 solar installations at a median installed cost of $6.24/W, recent growth not yet measurable, and a Market Score of 33 — higher than 10% of U.S. zip markets.
See 15642 on the map Pennsylvania marketAll of IrwinWestmoreland County
Active installations
123
See data
Median cost
$6.24/W
See data
12-mo growth
—
See data
Market score
33
See data
Installers active
4
See data
33
Zip Market Score
Fair · higher than 10% of zips
Versus Pennsylvania

How 15642 compares with the state

Installed cost
$0.24/W above
state median $5.99/W
Market score
33 vs 50
Pennsylvania scores 50
Share of state installs
0.14%
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

15642 by year

15 installs in the trailing twelve months vs 19 before

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Installations by year
Median installed cost, $/W DC by year
Installer comp set

Who installs in 15642

Ranked by systems recorded in this zip

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#InstallerInstalls12-moAvg kW$/W
1ASTRUM SOLAR105.88$6.16
2ENERGY INDEPENDENT SOLUTIONS1010.12$6.55
3SOLAR POWER INDUSTRIES103.2$6.31
4STANDARD SOLAR104.08$5.20
Neighboring zips

The nearest zip markets

By distance between zip centroids

ZipDistanceInstalls$/WScore
15085 Trafford7.4 km47$1.9252
15636 Harrison City7.5 km8$7.1732
15644 Jeannette9.1 km26$5.7135
15137 North Versailles10.0 km104$7.4333
15035 East Mc Keesport10.3 km15—42
15083 Sutersville10.9 km5—42
Equipment

What gets installed in 15642

Share of systems with a recorded brand

Modules
AMERICAN SOLAR WHOLESALE25.0%
BRIGHTWATTS25.0%
SUNTECH POWER25.0%
TRINA SOLAR25.0%
Inverters
ENPHASE ENERGY75.0%
XANTREX TECHNOLOGY25.0%
Frequently asked

Quick answers about 15642

How many solar installations are there in 15642?
SolarDNA counts 123 active solar installations in Irwin 15642, 121 of them residential, with data through September 28, 2026.
How much does solar cost in 15642?
The median residential system in 15642 cost $6.24 per watt over the trailing twelve months, $0.24/W above the Pennsylvania median.
Is solar growing in 15642?
Recent growth cannot be measured yet for 15642: too few recent installs (data runs through September 28, 2026).
Who installs solar in 15642?
ASTRUM SOLAR, ENERGY INDEPENDENT SOLUTIONS, SOLAR POWER INDUSTRIES lead the 4 installers with systems in 15642. The full comp set is above.
Is 15642 a good market for solar sales?
15642 scores 33 out of 100 (Fair, higher than 10% of U.S. zip markets). With under 500 installations the score is provisional.