Rockland County, NY solar installation & market data
Updated July 28, 2026 By The SolarDNA Data Team
Rockland County has 5,798 solar installations across 26 zip codes at a median installed cost of $3.75/W, installations down 13.7% over the trailing twelve months, and an installs-weighted Market Score of 52.
Active installations
5,798
Zip markets
26
Median cost
$3.75/W
12-mo growth
▼ 13.7%
Installers active
106
County Market Score
Excellent · installs-weighted across 26 zips
Best zip in Rockland County scores higher than 99% of U.S. zip markets.
Versus New York
How Rockland County compares with the state
Installed cost
$0.41/W below
state median $4.16/W
Market score
52 vs 59
New York scores 59
Share of state installs
3.10%
of 187.3K tracked statewide
Battery attach
3.8%
state 2.1%
Statewide momentum
▲ 25.2%
residential solar added in New York, 12 months through Jul 2026
Statewide market
274.1K systems
6.4% of homes · utility-reported through Jul 2026
Next-12-month outlook: 333–407 installs (midpoint 370)
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
Rockland County by year
397 installs in the trailing twelve months vs 460 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Rockland County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 2,058 | 114 | 25 | $3.30 |
| 2 | TESLA | 646 | 5 | 25 | $4.98 |
| 3 | SUNPOWER | 624 | 0 | 26 | $4.21 |
| 4 | WILTSHIRE RENEWABLE ENERGY SYSTEMS | 398 | 0 | 23 | $2.60 |
| 5 | INFINITY SOLAR SYSTEMS | 275 | 22 | 23 | $3.81 |
| 6 | KILOWATT SYSTEMS | 197 | 0 | 21 | $4.05 |
| 7 | NRG RESIDENTIAL SOLAR SOLUTIONS | 192 | 0 | 22 | $3.57 |
| 8 | TRINITY SOLAR | 183 | 7 | 21 | $4.11 |
| 9 | SUNNOVA ENERGY | 142 | 0 | 22 | $3.33 |
| 10 | LONG ISLAND POWER SOLUTIONS | 84 | 1 | 19 | $3.12 |
| 11 | INTEGRITY SOLAR SOLUTIONS | 83 | 7 | 16 | $2.71 |
| 12 | SUNGEVITY | 81 | 0 | 22 | $4.04 |
| 13 | KASSELMAN SOLAR | 51 | 1 | 17 | $3.14 |
| 14 | ISI SOLAR | 51 | 0 | 17 | $7.99 |
| 15 | NEW YORK STATE SOLAR FARM | 45 | 3 | 18 | $3.57 |
| 16 | TRISTATE SOLAR SERVICES | 41 | 0 | 15 | $3.09 |
| 17 | SUNBLUE ENERGY | 40 | 0 | 18 | $3.56 |
| 18 | IGS ENERGY | 40 | 0 | 16 | $3.00 |
| 19 | MOMENTUM SOLAR | 34 | 1 | 17 | $3.93 |
| 20 | TRI-STATE SOLAR SERVICES | 32 | 26 | 10 | $2.74 |
| 21 | VENTURE HOME SOLAR | 29 | 6 | 14 | $4.01 |
| 22 | EMPIRE SOLAR SOLUTIONS | 29 | 14 | 12 | $3.76 |
| 23 | ONSITE ENERGY | 28 | 11 | 13 | $4.62 |
| 24 | POWERLUTIONS | 26 | 1 | 8 | $2.93 |
| 25 | IGS SOLAR | 26 | 19 | 16 | $2.94 |
Zip markets
Zips in Rockland County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 10956 | 884 | $3.70 | 54 A |
| 10977 | 598 | $3.80 | 52 A |
| 10954 | 498 | $3.70 | 64 A |
| 10980 | 481 | $3.75 | 52 A |
| 10923 | 374 | $3.80 | 51 A |
| 10989 | 335 | $4.00 | 50 B |
| 10901 | 281 | $3.71 | 51 A |
| 10920 | 263 | $3.86 | 50 B |
| 10960 | 245 | $3.70 | 51 A |
| 10965 | 218 | $3.88 | 50 B |
| 10952 | 211 | $3.81 | 50 B |
| 10994 | 197 | $3.49 | 51 A |
| 10983 | 176 | $3.85 | 50 B |
| 10970 | 172 | $3.65 | 51 A |
| 10962 | 156 | $3.77 | 50 B |
| 10913 | 151 | $3.88 | 49 B |
| 10927 | 124 | $3.52 | 51 A |
| 10984 | 100 | $3.74 | 50 B |
| 10993 | 91 | $3.52 | 51 A |
| 10974 | 81 | $3.70 | 50 B |
| 10986 | 59 | $3.61 | 50 B |
| 10968 | 29 | $3.60 | 50 B |
| 10964 | 27 | $3.59 | 50 B |
| 10976 | 26 | $4.48 | 46 B |
| 10931 | 20 | $3.54 | 50 B |
| 10982 | 1 | $4.70 | 45 C |