Jefferson County, NY solar installation & market data
Updated August 12, 2026 By The SolarDNA Data Team
Jefferson County has 529 solar installations across 30 zip codes at a median installed cost of $3.37/W, installations up 140.7% over the trailing twelve months, and an installs-weighted Market Score of 51.
Active installations
529
Zip markets
30
Median cost
$3.37/W
12-mo growth
▲ 140.7%
Installers active
62
County Market Score
Excellent · installs-weighted across 30 zips
Best zip in Jefferson County scores higher than 98% of U.S. zip markets.
Versus New York
How Jefferson County compares with the state
Installed cost
$0.79/W below
state median $4.16/W
Market score
51 vs 59
New York scores 59
Share of state installs
0.28%
of 187.3K tracked statewide
Battery attach
1.2%
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: 64–86 installs (midpoint 75)
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
Jefferson County by year
65 installs in the trailing twelve months vs 27 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Jefferson County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | FOURTH COAST | 185 | 6 | 19 | $3.60 |
| 2 | REVOLUSUN | 47 | 0 | 17 | $2.71 |
| 3 | PLUGPV | 38 | 12 | 17 | $4.48 |
| 4 | ALTERNATIVE POWER SOLUTIONS NY | 31 | 0 | 17 | $3.40 |
| 5 | APEX ENERGY TEK | 26 | 0 | 13 | $3.17 |
| 6 | PROVEN ENERGY SYSTEMS | 25 | 2 | 12 | $2.73 |
| 7 | HIGH PEAKS SOLAR | 17 | 0 | 3 | $3.56 |
| 8 | PARADISE ENERGY SOLUTIONS | 15 | 2 | 8 | $3.00 |
| 9 | AMERICAN SOLAR PARTNERS | 14 | 0 | 6 | $3.26 |
| 10 | NYS ESSENTIAL POWER | 12 | 10 | 9 | $4.75 |
| 11 | DIRECT ENERGY SOLAR | 11 | 0 | 8 | $3.78 |
| 12 | NEXAMP | 10 | 1 | 4 | $0.92 |
| 13 | SOLAR LIBERTY ENERGY SYSTEMS | 7 | 0 | 6 | $3.61 |
| 14 | KASSELMAN SOLAR | 6 | 0 | 4 | $3.54 |
| 15 | EMPIRE SOLAR SOLUTIONS | 5 | 5 | 4 | $4.11 |
| 16 | NYS PARKS RECREATION HISTORIC PRESERVATION | 5 | 0 | 4 | $2.63 |
| 17 | DOWNSTREAM CONSTRUCTION | 4 | 0 | 3 | $2.69 |
| 18 | STANDARD SOLAR | 4 | 0 | 1 | $0.92 |
| 19 | ALTERNATIVE POWER SYSTEMS | 3 | 0 | 3 | $8.35 |
| 20 | NEXT GENERATION SOLAR | 3 | 0 | 3 | $3.61 |
| 21 | GREAT BROOK SOLAR NRG | 3 | 0 | 2 | $5.92 |
| 22 | MONOLITH SOLAR | 3 | 0 | 2 | $4.69 |
| 23 | SOLAR WORKS | 2 | 0 | 2 | — |
| 24 | GREEN STREET POWER PARTNERS | 2 | 0 | 1 | $3.89 |
| 25 | SKYLINE SOLAR | 2 | 0 | 2 | $3.10 |
Zip markets
Zips in Jefferson County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 13601 | 87 | $3.57 | 51 A |
| 13624 | 64 | $3.45 | 51 A |
| 13619 | 37 | $3.48 | 51 A |
| 13634 | 36 | $3.25 | 52 A |
| 13607 | 30 | $3.40 | 51 A |
| 13618 | 28 | $3.63 | 50 B |
| 13679 | 25 | $3.41 | 51 A |
| 13650 | 21 | $3.16 | 52 A |
| 13637 | 18 | $3.22 | 52 A |
| 13605 | 17 | $3.11 | 52 A |
| 13661 | 17 | $3.57 | 50 B |
| 13622 | 17 | $3.25 | 52 A |
| 13673 | 17 | $2.84 | 54 A |
| 13606 | 16 | $3.16 | 52 A |
| 13656 | 15 | $3.20 | 52 A |
| 13640 | 13 | $3.10 | 52 A |
| 13685 | 11 | $3.34 | 51 A |
| 13612 | 11 | $2.90 | 53 A |
| 13608 | 7 | $3.10 | 52 A |
| 13691 | 7 | $3.48 | 51 A |
| 13682 | 6 | $3.59 | 50 B |
| 13693 | 5 | $3.27 | 52 A |
| 13615 | 5 | $4.47 | 46 B |
| 13616 | 5 | $2.70 | 54 A |
| 13659 | 3 | $3.06 | 53 A |
| 13638 | 3 | $3.26 | 52 A |
| 13636 | 3 | $3.30 | 51 A |
| 13665 | 3 | $2.94 | 53 A |
| 13641 | 1 | $2.50 | 55 A |
| 13611 | 1 | $6.07 | 38 D |