Philadelphia County, PA solar installation & market data
Updated October 2, 2026 By The SolarDNA Data Team
Philadelphia County has 6,668 solar installations across 49 zip codes at a median installed cost of $6.85/W, installations down 15.5% over the trailing twelve months, and an installs-weighted Market Score of 34.
Active installations
6,668
Zip markets
49
Median cost
$6.85/W
12-mo growth
▼ 15.5%
Installers active
53
County Market Score
Fair · installs-weighted across 49 zips
Best zip in Philadelphia County scores higher than 92% of U.S. zip markets.
Versus Pennsylvania
How Philadelphia County compares with the state
Installed cost
$0.85/W above
state median $5.99/W
Market score
34 vs 50
Pennsylvania scores 50
Share of state installs
7.54%
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: 1,178–1,440 installs (midpoint 1,309)
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
Philadelphia County by year
1,419 installs in the trailing twelve months vs 1,680 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Philadelphia County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | EOS ENERGY | 44 | 0 | 22 | $6.61 |
| 2 | FINLEY SHAPIRO CONSULTING | 30 | 0 | 3 | $12.31 |
| 3 | ASTRUM SOLAR | 15 | 0 | 9 | $6.64 |
| 4 | RGS ENERGY | 15 | 0 | 11 | $7.18 |
| 5 | HELIO POWER SYSTEMS | 15 | 0 | 5 | $6.65 |
| 6 | CSG SERVICES | 11 | 0 | 1 | $7.89 |
| 7 | SOLAR STRATEGIES | 11 | 0 | 1 | $7.83 |
| 8 | EDF RENEWABLE ENERGY | 11 | 0 | 10 | $7.04 |
| 9 | GREENSPRING ENERGY | 10 | 0 | 7 | $5.60 |
| 10 | HEAT SHED | 9 | 0 | 7 | $7.73 |
| 11 | EXACT ELECTRIC | 6 | 0 | 6 | $6.28 |
| 12 | GRASS | 5 | 0 | 3 | $7.42 |
| 13 | STANDARD SOLAR | 5 | 0 | 5 | $5.73 |
| 14 | MESA ELECTRIC | 5 | 0 | 5 | $8.96 |
| 15 | OPEN SKY ENERGY | 3 | 0 | 2 | $7.27 |
| 16 | SUMINTRA | 3 | 0 | 3 | $4.57 |
| 17 | PHILLY SOLAR ELECTRIC | 3 | 0 | 3 | $6.59 |
| 18 | AZTEC SOLAR POWER | 3 | 0 | 3 | $8.17 |
| 19 | SOLARDELPHIA | 3 | 0 | 3 | $7.64 |
| 20 | SOLAR GREENERGY | 3 | 0 | 3 | $5.87 |
| 21 | CRYSTAL LITE SOLAR | 3 | 0 | 2 | $4.77 |
| 22 | ADVANCED SOLAR PRODUCTS | 3 | 0 | 3 | $7.26 |
| 23 | ECLIPSE SOLAR | 2 | 0 | 2 | $6.75 |
| 24 | SUN TO SUN | 2 | 0 | 2 | $6.15 |
| 25 | GOLDHORN ELECTRIC CONSTRUCTION | 2 | 0 | 2 | $6.12 |
Zip markets
Zips in Philadelphia County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 19143 | 459 | $7.83 | 29 F |
| 19119 | 310 | $7.32 | 34 D |
| 19111 | 271 | $6.12 | 26 F |
| 19153 | 252 | $5.10 | 39 C |
| 19151 | 245 | $7.82 | 23 F |
| 19124 | 241 | $8.26 | 33 D |
| 19128 | 217 | $7.35 | 33 D |
| 19115 | 216 | $6.35 | 33 D |
| 19120 | 214 | $6.95 | 32 F |
| 19139 | 213 | $6.68 | 33 D |
| 19131 | 211 | — | 51 A |
| 19138 | 209 | $6.83 | 31 F |
| 19145 | 194 | $5.96 | 34 D |
| 19150 | 191 | — | 39 D |
| 19144 | 189 | $6.79 | 33 F |
| 19147 | 178 | $6.36 | 33 D |
| 19125 | 165 | $7.89 | 33 F |
| 19141 | 162 | $5.95 | 30 F |
| 19114 | 157 | $6.74 | 33 F |
| 19146 | 155 | $6.50 | 33 F |
| 19116 | 154 | $5.61 | 37 D |
| 19154 | 150 | $5.03 | 39 C |
| 19140 | 143 | $4.93 | 40 C |
| 19148 | 142 | $6.24 | 33 D |
| 19104 | 134 | $8.75 | 33 F |
| 19152 | 134 | $6.55 | 33 F |
| 19132 | 130 | $8.20 | 29 F |
| 19135 | 129 | — | 43 C |
| 19130 | 127 | $6.90 | 33 F |
| 19142 | 126 | — | 44 C |
| 19134 | 114 | $6.77 | 33 F |
| 19121 | 111 | $7.34 | 33 F |
| 19149 | 93 | $7.75 | 33 F |
| 19122 | 89 | $12.31 | 33 F |
| 19118 | 76 | $5.13 | 38 D |
| 19136 | 76 | $3.82 | 45 C |
| 19129 | 63 | $6.34 | 33 F |
| 19123 | 63 | $7.29 | 32 F |
| 19133 | 41 | — | 42 C |
| 19127 | 32 | $6.62 | 32 F |
| 19103 | 29 | $7.53 | 32 F |
| 19137 | 23 | $5.75 | 35 D |
| 19106 | 23 | $5.71 | 35 D |
| 19107 | 7 | $6.76 | 32 F |
| 19101 | 4 | $5.91 | 34 D |
| 19173 | 2 | $7.15 | 36 D |
| 19102 | 2 | $8.29 | 32 F |
| 19112 | 1 | — | 42 C |
| 19105 | 1 | — | 42 C |