Delaware County, PA solar installation & market data
Updated October 1, 2026 By The SolarDNA Data Team
Delaware County has 3,324 solar installations across 42 zip codes at a median installed cost of $6.48/W, installations up 3.0% over the trailing twelve months, and an installs-weighted Market Score of 34.
Active installations
3,324
Zip markets
42
Median cost
$6.48/W
12-mo growth
▲ 3.0%
Installers active
69
County Market Score
Fair · installs-weighted across 42 zips
Best zip in Delaware County scores higher than 54% of U.S. zip markets.
Versus Pennsylvania
How Delaware County compares with the state
Installed cost
$0.49/W above
state median $5.99/W
Market score
34 vs 50
Pennsylvania scores 50
Share of state installs
3.76%
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: 349–427 installs (midpoint 388)
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
Delaware County by year
382 installs in the trailing twelve months vs 371 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Delaware County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | EDF RENEWABLE ENERGY | 18 | 0 | 9 | $6.34 |
| 2 | GUERRERA AND SONS ELECTRIC | 12 | 0 | 9 | $7.49 |
| 3 | GREENSPRING ENERGY | 12 | 0 | 9 | $6.71 |
| 4 | ASTRUM SOLAR | 11 | 0 | 7 | $5.14 |
| 5 | OPEN SKY ENERGY | 11 | 0 | 6 | $8.12 |
| 6 | MESA ELECTRIC | 10 | 0 | 5 | $9.01 |
| 7 | CONLYN SOLAR PRO | 10 | 0 | 8 | $6.34 |
| 8 | HEAT SHED | 10 | 0 | 6 | $6.92 |
| 9 | CMI SOLAR ELECTRIC | 9 | 0 | 7 | $6.71 |
| 10 | SUNTRICITY POWER | 9 | 0 | 3 | $6.76 |
| 11 | SUNPOWER | 8 | 0 | 6 | $7.66 |
| 12 | GREEN POWER ENERGY | 6 | 0 | 5 | $4.46 |
| 13 | ROOFTOP SOLAR SOLUTIONS | 6 | 0 | 2 | $7.54 |
| 14 | EOS ENERGY | 6 | 0 | 5 | $5.57 |
| 15 | STANDARD SOLAR | 6 | 0 | 4 | $5.77 |
| 16 | SOLULAR | 5 | 0 | 5 | $6.27 |
| 17 | ECLIPSE SOLAR | 5 | 0 | 5 | $6.76 |
| 18 | DYNAMIC SOLAR | 4 | 0 | 3 | $6.52 |
| 19 | SUN TO SUN | 4 | 0 | 4 | $6.27 |
| 20 | EARTHSPONSE | 3 | 0 | 3 | $5.32 |
| 21 | GREENCOSOLAR | 3 | 0 | 2 | $6.88 |
| 22 | EXACT ELECTRIC | 3 | 0 | 2 | $7.05 |
| 23 | SOLARE AMERICA | 3 | 0 | 3 | $6.68 |
| 24 | AZTEC SOLAR POWER | 3 | 0 | 2 | $6.93 |
| 25 | TERRASOL ENERGIES | 3 | 0 | 2 | $5.06 |
Zip markets
Zips in Delaware County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 19083 | 236 | $7.06 | 33 D |
| 19063 | 221 | $6.54 | 33 D |
| 19050 | 218 | $5.99 | 35 D |
| 19026 | 175 | $6.63 | 33 F |
| 19061 | 167 | $5.97 | 35 D |
| 19018 | 144 | $8.36 | 33 F |
| 19064 | 142 | $5.85 | 35 D |
| 19015 | 130 | $5.09 | 39 C |
| 19087 | 126 | $6.48 | 33 F |
| 19082 | 121 | $7.47 | 33 F |
| 19008 | 119 | $6.41 | 33 F |
| 19014 | 113 | $6.10 | 34 D |
| 19070 | 106 | $6.49 | 33 F |
| 19010 | 93 | $6.59 | 33 F |
| 19342 | 91 | $6.17 | 34 D |
| 19086 | 88 | $6.88 | 33 F |
| 19033 | 86 | $4.64 | 41 C |
| 19081 | 84 | $8.13 | 33 F |
| 19079 | 82 | — | 43 C |
| 19073 | 77 | $6.00 | 34 D |
| 19060 | 73 | $5.76 | 35 D |
| 19003 | 67 | $6.40 | 32 F |
| 19023 | 63 | $6.48 | 32 F |
| 19013 | 62 | $5.99 | 34 D |
| 19036 | 55 | $6.07 | 34 D |
| 19317 | 55 | $6.65 | 32 F |
| 19078 | 52 | $7.00 | 32 F |
| 19074 | 49 | $7.31 | 32 F |
| 19076 | 37 | — | 42 C |
| 19032 | 36 | — | 42 C |
| 19043 | 35 | — | 42 C |
| 19029 | 24 | — | 42 C |
| 19094 | 22 | — | 42 C |
| 19041 | 18 | $6.85 | 32 F |
| 19085 | 17 | $7.00 | 32 F |
| 19022 | 15 | $6.16 | 33 D |
| 19373 | 12 | $6.50 | 32 F |
| 19319 | 8 | $6.92 | 32 F |
| 19017 | 2 | — | 42 C |
| 19037 | 1 | — | 42 C |
| 19113 | 1 | $12.57 | 32 F |
| 19016 | 1 | $5.85 | 35 D |