PanelCensus

Great Sky Solar

Recently active

Solar installer based in Massachusetts · active in 2 states · installer record #5379 resolved from 890 public installation records.

Recorded installs
890
Total capacity
8.7 MW
DC nameplate
Median system
9.3 kW
≈ $28,623
Median price
$3.12/W
pre-incentive
Third-party owned
0%
lease / PPA
Battery attach
2%
First recorded
2011
Last recorded
2026

Track record

Install volume by year

2011
1
2014
4$3.80/W
2015
14$4.93/W
2016
50$4.01/W
2017
38$3.47/W
2018
97$3.11/W
2019
79$2.98/W
2020
116$2.93/W
2021
163$2.93/W
2022
178$3.12/W
2023
120$3.38/W
2024
16$3.71/W
2025
12$3.94/W
2026
2$3.76/W

Bars: recorded installs · right column: this installer's median $/W that year.

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
Jan 29, 2026Cambridge, MA10.1 kW$35,953—
Jan 13, 2026Cambridge, MA8.8 kW$34,805—
Dec 29, 2025Cambridge, MA7 kW$28,835—
Nov 14, 2025Cambridge, MA3.8 kW$21,312—
Sep 15, 2025Cambridge, MA6 kW$25,806—
Sep 9, 2025Cambridge, MA13.8 kW$66,513— · battery
Aug 20, 2025Cambridge, MA4.2 kW$21,879—
Aug 14, 2025Cambridge, MA16.7 kW$55,845—
Aug 13, 2025Cambridge, MA11.9 kW$43,162—
Jul 11, 2025Cambridge, MA10.4 kW$9,000—

Service geography

Massachusetts
889
California
1

Busiest cities

Cambridge, MA 135Arlington, MA 91Boston, MA 73Newton, MA 45Hopkinton, MA 27Somerville, MA 26Lexington, MA 19Medford, MA 16

Record

Installer ID
PC-5379
First recorded install
Jul 21, 2011
Last recorded install
Jan 29, 2026
Priced records
887
Also appears as
GREAT SKY SOLAR, INC.

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Frequently asked questions

How many solar installations has Great Sky Solar completed?

PanelCensus records 890 installations by Great Sky Solar, from Jul 21, 2011 to Jan 29, 2026, totalling 8.7 MW of capacity. Dataset coverage varies by state, so actual totals may be higher.

What does Great Sky Solar charge for solar?

The median installed price across 887 priced systems is $3.12/W pre-incentive (median system 9.3 kW, ≈ $28,623). Third-party-owned (lease/PPA) share: 0%.

Where does Great Sky Solar install solar?

Recorded installs span 2 states, led by Massachusetts (889), California (1).

Dataset updated . Sources: LBNL Tracking the Sun + permit and program records; installer resolved by exact-normalized name matching.