Solar installers in Nassau County
40 companies have installed solar on 1,895 homes here since 2023. Covers North Hempstead, Hempstead, Freeport, Valley Stream, Long Beach, Glen Cove and nearby towns.
| Installer | Homes since 2023 | Median price in state |
|---|---|---|
| Sunation Solar SystemsBased in Ronkonkoma, NY · NY-Sun participating contractor · (631) 750-9454 | 443 | $3.59/W$0.57 below median |
| Empower SolarBased in Clovis, CA · (559) 296-4158 | 305 | $7.14/W$2.98 above median |
| NYSSBased in New York, NY · NY-Sun participating contractor | 267 | $6.02/W$1.86 above median |
| Long Island Power SolutionsBased in Islandia, NY · NY-Sun participating contractor · (631) 348-0001 | 197 | $3.20/W$0.96 below median |
| Harvest PowerBased in Islip Terrace, NY · NY-Sun participating contractor · (631) 647-3402 | 115 | $3.63/W$0.53 below median |
| Surf Clean Energy | 89 | $6.76/W$2.60 above median |
| NYS Essential PowerBased in Ronkonkoma, NY · NY-Sun participating contractor · (631) 398-3574 | 66 | $5.46/W$1.30 above median |
| Kamtech Solar | 61 | $6.35/W$2.19 above median |
| Hytech SolarBased in Bay Shore, NY · NY-Sun participating contractor · (631) 595-5500 | 49 | $5.55/W$1.39 above median |
| Sunrise SolarBased in Forestville, CA · (707) 584-6807 | 42 | $4.48/W$0.32 above median |
| Leviathan SolarBased in Ronkonkoma, NY · NY-Sun participating contractor · (631) 553-2732 | 31 | $3.98/W$0.18 below median |
| SunrunBased in San Francisco, CA · NY-Sun participating contractor · (805) 242-7255 | 29 | $5.06/W$0.90 above median |
| Momentum SolarBased in Metuchen, NJ · NY-Sun participating contractor · (732) 902-6224 | 22 | $5.77/W$1.61 above median |
| Venture Home SolarBased in Stamford, CT · NY-Sun participating contractor · (203) 858-3051 | 18 | $4.73/W$0.57 above median |
| Green LogicBased in Southampton, NY · NY-Sun participating contractor · (631) 771-5152 | 17 | $4.22/W$0.06 above median |
| Smart Home Energy Source | 17 | $3.41/W$0.75 below median |
| Accord PowerBased in Flushing, NY · NY-Sun participating contractor · (732) 318-7762 | 16 | $4.10/W$0.06 below median |
| Patriot Energy Solutions | 12 | $6.46/W$2.30 above median |
| TeslaBased in Fremont, CA · NY-Sun participating contractor · (702) 680-6683 | 11 | $2.30/W$1.86 below median |
| Emes SolarBased in Woodmere, NY · NY-Sun participating contractor · (347) 765-2714 | 10 | $4.52/W$0.36 above median |
| Voltaic SolaireBased in Brooklyn, NY · NY-Sun participating contractor · (917) 355-3582 | 9 | $5.66/W$1.50 above median |
| Synergy SolarBased in Sebastopol, CA · (707) 484-2466 | 8 | $4.04/W$0.12 below median |
| IGS Energy | 7 | $4.26/W$0.10 above median |
| SolantaBased in Brooklyn, NY · NY-Sun participating contractor · (833) 765-2682 | 7 | $5.06/W$0.90 above median |
| Trinity SolarBased in Chester, NY · NY-Sun participating contractor · (732) 780-3779 | 7 | $4.92/W$0.76 above median |
| Wiltshire Renewable Energy SystemsBased in Troy, NY · NY-Sun participating contractor · (518) 687-0135 | 7 | $3.39/W$0.77 below median |
| Advanced Solar SolutionsBased in Fallon, NV · (559) 760-2433 | 5 | $4.58/W$0.42 above median |
| Discover Green Renewable EnergyBased in Brooklyn, NY · NY-Sun participating contractor · (718) 500-4782 | 5 | $2.82/W$1.34 below median |
| Marcor ConstructionBased in West Babylon, NY · NY-Sun participating contractor · (631) 321-0593 | 4 | $3.93/W$0.23 below median |
| SungevityBased in Carmichael, CA · (833) 667-4324 | 4 | $3.02/W$1.14 below median |
| J.B.I Construction Group INC?Based in Staten Island, NY · NY-Sun participating contractor · (718) 524-4323 | 3 | $4.57/W$0.41 above median |
| The Green PlugBased in Bay Shore, NY · NY-Sun participating contractor · (631) 793-6756 | 3 | $7.62/W$3.46 above median |
| Element EnergyBased in Mattituck, NY · NY-Sun participating contractor · (631) 861-5923 | 2 | $3.46/W$0.70 below median |
| Amergy SolarBased in Piscataway, NJ · NY-Sun participating contractor · (866) 857-7875 | 1 | $3.60/W$0.56 below median |
| Brooklyn SolarworksBased in Brooklyn, NY · NY-Sun participating contractor · (347) 318-4771 | 1 | $7.33/W$3.17 above median |
| Grid City Electric | 1 | — |
| Premier Solar SolutionsBased in Chico, CA · (530) 813-8579 | 1 | — |
| SunPowerBased in Richmond, CA · (908) 216-1280 | 1 | $6.39/W$2.23 above median |
| Sunrise ElectricalBased in Porter Ranch, CA · (323) 428-2125 | 1 | — |
| Us Solar Enterprise IncorporatedBased in Holtsville, NY · NY-Sun participating contractor · (631) 578-3777 | 1 | — |
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 Nassau County: North Hempstead, Hempstead, Freeport, Valley Stream, Long Beach, Glen Cove, Rockville Centre, Garden City, Mineola, Lynbrook, Massapequa Park, Floral Park.
Other New York counties
How much does solar cost in Nassau County, NY?
Homes in Nassau County that bought solar in 2023–2025 paid a median $3.88/W installed, about $34,900 for a 9 kW system before incentives.
Which solar companies install in Nassau County, NY?
40 installers have put in home systems in Nassau County since 2023, the busiest being Sunation Solar Systems, Empower Solar, NYSS, Long Island Power Solutions, Harvest Power.
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.