Solar installer NY-Sun participating contractor

Onsite Energy

Name: Onsite Energy
Address: 296 N. Liberty Dr., Tomkins Cove, NY, 10986, US
Telephone: (845) 204-8144

Based at 296 N. Liberty Dr., Tomkins Cove, NY 10986. Installed solar on 209 homes since 2023 in 2 states. Installing since 2022. Latest install on record: August 2026.

(845) 204-8144 Website

Homes since 2023: 209
Median price: $4.22/W
Typical system: 9.8 kW
Leased or PPA: 25%

Price

Homes that bought their system from Onsite Energy paid a median $4.22/W installed, and the middle half paid $3.57/W–$4.93/W (135 systems since 2023, before incentives). That's $0.06 a watt above the New York median of $4.16/W.

2% of its recent systems included a battery.

By state

State	Homes	Median
New York	193	$4.22/W
New Jersey	16	—

Homes installed since 2023.

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.

Price

Where it installs