Solar installers in St. Lawrence County
18 companies have installed solar on 60 homes here since 2023. Covers Massena, Ogdensburg, Potsdam, Canton, Lisbon, Oswegatchie and nearby towns.
| Installer | Homes since 2023 | Median price in state |
|---|---|---|
| NYS Essential PowerBased in Ronkonkoma, NY · NY-Sun participating contractor · (631) 398-3574 | 14 | $5.46/W$1.30 above median |
| Proven Energy SystemsBased in Hammond, NY · NY-Sun participating contractor · (315) 771-6483 | 13 | $2.74/W$1.42 below median |
| Solar Liberty Energy Systems | 5 | $3.51/W$0.65 below median |
| Albany Solar SolutionsBased in Troy, NY · NY-Sun participating contractor | 4 | $3.34/W$0.82 below median |
| Wiltshire Renewable Energy SystemsBased in Troy, NY · NY-Sun participating contractor · (518) 687-0135 | 4 | $3.39/W$0.77 below median |
| Kasselman SolarBased in Menands, NY · NY-Sun participating contractor · (518) 478-8365 | 3 | $3.45/W$0.71 below median |
| Next Generation Solar | 3 | $3.25/W$0.91 below median |
| PlugPVBased in Troy, NY · NY-Sun participating contractor · (518) 948-5316 | 3 | $4.26/W$0.10 above median |
| Nexamp | 2 | — |
| ASA Holdings NY I LLC (dba for Puresky HoldCo, Inc) | 1 | — |
| Adirondack Battery Solar | 1 | — |
| Adk SolarBased in Bloomingdale, NY · NY-Sun participating contractor · (518) 354-8446 | 1 | $4.47/W$0.31 above median |
| Apex Energy TekBased in Queensbury, NY · NY-Sun participating contractor · (518) 309-2786 | 1 | $3.15/W$1.01 below median |
| Cypress Creek Renewables | 1 | — |
| East West Electric Dba For Buzzards Ridge GroupBased in Cooperstown, NY · NY-Sun participating contractor · (607) 437-5477 | 1 | — |
| Green Street Power Partners | 1 | — |
| Renua EnergyBased in Clifton Park, NY · NY-Sun participating contractor · (518) 391-5980 | 1 | — |
| SunPowerBased in Richmond, CA · (908) 216-1280 | 1 | $6.39/W$2.23 above median |
Ranked by homes installed, which shows who’s active here, not who’s best. Prices are each company’s median for systems sold outright, shown when it sold at least 10.
Towns in St. Lawrence County: Massena, Ogdensburg, Potsdam, Canton, Lisbon, Oswegatchie, Stockholm, Gouverneur, Louisville, Brasher, Pierrepont, De Kalb.
Other New York counties
How much does solar cost in St. Lawrence County, NY?
Homes in St. Lawrence County that bought solar in 2023–2025 paid a median $3.50/W installed, about $36,800 for a 10.5 kW system before incentives.
Which solar companies install in St. Lawrence County, NY?
18 installers have put in home systems in St. Lawrence County since 2023, the busiest being NYS Essential Power, Proven Energy Systems, Solar Liberty Energy Systems, Albany Solar Solutions, Wiltshire Renewable Energy Systems.
Installed prices and installers from public installation records: Lawrence Berkeley National Laboratory’s Tracking the Sun (systems installed through 2025) and state program files from California, New York, New Jersey, Connecticut, Illinois and Oregon, which run into 2026. Prices are in dollars per watt of panel capacity (DC), before rebates and tax credits, for homes that bought their system; leased systems and systems with batteries are left out.