Solar installer

Great Sky Solar

Installed solar on 121 homes since 2023 in Massachusetts. Installing since 2011. Latest install on record: March 2024.

Homes since 2023: 121
Median price: $3.35/W
Typical system: 10.0 kW
Leased or PPA: 0%

Price

Homes that bought their system from Great Sky Solar paid a median $3.35/W installed, and the middle half paid $3.26/W–$3.60/W (113 systems since 2023, before incentives). That's $0.50 a watt below the Massachusetts median of $3.85/W.

1% of its recent systems included a battery.

Where it installs

Counties with homes it installed since 2023, busiest first.

Middlesex County, MA · 73 Norfolk County, MA · 24 Suffolk County, MA · 13 Barnstable County, MA · 9 Bristol County, MA · 1 Plymouth County, MA · 1

By state

State	Homes	Median
Massachusetts	121	$3.35/W
Californialast in 2011	0	—

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.