Sullivan County, NY solar installation & market data
Updated July 21, 2026 By The SolarDNA Data Team
Sullivan County has 1,153 solar installations across 48 zip codes at a median installed cost of $3.59/W, installations up 101.3% over the trailing twelve months, and an installs-weighted Market Score of 50.
Active installations
1,153
Zip markets
48
Median cost
$3.59/W
12-mo growth
▲ 101.3%
Installers active
96
County Market Score
Excellent · installs-weighted across 48 zips
Best zip in Sullivan County scores higher than 98% of U.S. zip markets.
Versus New York
How Sullivan County compares with the state
Installed cost
$0.57/W below
state median $4.16/W
Market score
50 vs 59
New York scores 59
Share of state installs
0.62%
of 187.3K tracked statewide
Battery attach
6.1%
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: 154–208 installs (midpoint 181)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±15% band. Not a forecast of permits or policy.
Growth & pricing
Sullivan County by year
157 installs in the trailing twelve months vs 78 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Sullivan County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | WILTSHIRE RENEWABLE ENERGY SYSTEMS | 146 | 0 | 32 | $2.28 |
| 2 | TESLA | 87 | 3 | 21 | $4.90 |
| 3 | INFINITY SOLAR SYSTEMS | 83 | 20 | 29 | $3.73 |
| 4 | SUNRUN | 71 | 8 | 16 | $3.27 |
| 5 | PLUGPV | 71 | 10 | 26 | $4.92 |
| 6 | NEW YORK STATE SOLAR FARM | 55 | 10 | 20 | $3.81 |
| 7 | NRG RESIDENTIAL SOLAR SOLUTIONS | 52 | 0 | 24 | $3.30 |
| 8 | SOLAR LIBERTY ENERGY SYSTEMS | 45 | 0 | 22 | $3.41 |
| 9 | SUNPOWER | 40 | 0 | 14 | $4.26 |
| 10 | TRINITY SOLAR | 40 | 2 | 11 | $4.18 |
| 11 | NOVEL APPROACHES SOLAR APPLICATIONS | 28 | 1 | 11 | $2.79 |
| 12 | SUNGEVITY | 28 | 0 | 15 | $4.34 |
| 13 | EMPIRE SOLAR SOLUTIONS | 28 | 18 | 17 | $3.62 |
| 14 | KASSELMAN SOLAR | 28 | 2 | 17 | $3.55 |
| 15 | DIRECT ENERGY SOLAR | 27 | 0 | 13 | $3.78 |
| 16 | SUNCOMMON | 23 | 0 | 14 | $3.63 |
| 17 | LIGHTHOUSE SOLAR | 21 | 0 | 8 | $4.13 |
| 18 | APEX ENERGY TEK | 17 | 0 | 13 | $3.42 |
| 19 | EDF RENEWABLE ENERGY | 17 | 0 | 7 | $7.95 |
| 20 | ONSITE ENERGY | 16 | 6 | 9 | $3.91 |
| 21 | SOLAR ALCHEMY | 16 | 0 | 9 | $4.23 |
| 22 | SUNNOVA ENERGY | 15 | 0 | 5 | $3.37 |
| 23 | BUSELLI SOLAR | 13 | 0 | 9 | $3.30 |
| 24 | BLACK CHERRY | 13 | 0 | 10 | $3.75 |
| 25 | INTEGRITY SOLAR SOLUTIONS | 8 | 0 | 5 | $2.08 |
Zip markets
Zips in Sullivan County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 12721 | 202 | $3.70 | 51 A |
| 12790 | 99 | $3.41 | 51 A |
| 12758 | 89 | $3.80 | 49 B |
| 12740 | 74 | $3.94 | 49 B |
| 12701 | 60 | $3.66 | 50 B |
| 12737 | 55 | $3.44 | 51 A |
| 12754 | 55 | $3.62 | 50 B |
| 12775 | 43 | $3.74 | 50 B |
| 12764 | 37 | $3.08 | 53 A |
| 12723 | 34 | $3.23 | 52 A |
| 12776 | 34 | $3.58 | 50 B |
| 12788 | 26 | $3.55 | 50 B |
| 12783 | 23 | $3.61 | 50 B |
| 12748 | 23 | $3.27 | 52 A |
| 12719 | 23 | $3.51 | 51 A |
| 12777 | 23 | $3.53 | 50 A |
| 12768 | 18 | $3.48 | 51 A |
| 12763 | 17 | $3.55 | 50 B |
| 12726 | 17 | $4.04 | 48 B |
| 12747 | 17 | $3.41 | 51 A |
| 12759 | 14 | $3.49 | 51 A |
| 12785 | 14 | $3.55 | 50 B |
| 12765 | 14 | $3.48 | 51 A |
| 12789 | 14 | $3.47 | 51 A |
| 12766 | 14 | $4.01 | 48 B |
| 12779 | 13 | $3.31 | 51 A |
| 12734 | 12 | $3.04 | 53 A |
| 12725 | 11 | $3.20 | 52 A |
| 12732 | 11 | $3.36 | 51 A |
| 12762 | 7 | $4.56 | 46 B |
| 12760 | 7 | $3.42 | 51 A |
| 12770 | 6 | $3.44 | 51 A |
| 12743 | 6 | $3.34 | 51 A |
| 12733 | 5 | $3.06 | 53 A |
| 12786 | 5 | $3.56 | 50 B |
| 12720 | 4 | $3.01 | 53 A |
| 12787 | 4 | $2.49 | 55 A |
| 12724 | 3 | $4.71 | 45 C |
| 12741 | 3 | $3.44 | 51 A |
| 12742 | 3 | $2.28 | 56 A |
| 12778 | 3 | $4.66 | 45 C |
| 12791 | 2 | $5.53 | 41 C |
| 12752 | 2 | $3.37 | 51 A |
| 12751 | 2 | $2.96 | 53 A |
| 12749 | 2 | $4.15 | 47 B |
| 12738 | 1 | $4.15 | 47 B |
| 12750 | 1 | $7.65 | 37 D |
| 12722 | 1 | $8.06 | 37 D |