Great Sky S

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Solar installer based in Massachusetts · installer record #69408 resolved from 13 public installation records.

At a glance

Great Sky S is a solar installer with 13 recorded installations totalling 100 kW, dated 2014 to 2017. All of its records are in Massachusetts, where it ranks 276th of 463 profiled installers by volume and 6,725th of 10,536 nationally. The median installed price across 13 priced systems is $3.72/W before incentives.

Recorded installs

Total capacity

100 kW

DC nameplate

Median system

7 kW

≈ $28,810

Median price

$3.72/W

pre-incentive · 13 priced

Third-party owned

lease / PPA

Battery attach

First recorded

2014

Last recorded

2017

Track record

Install volume by year

2014

1$4.04/W

2015

3$4.30/W

2016

3$4.45/W

2017

6$3.10/W

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

Latest records

Most recent recorded installs

Date	Location	Size	Price	Ownership
Nov 28, 2017	Westborough, MA	7 kW	$21,105	Host-owned
Nov 14, 2017	Springfield, MA	10.1 kW	$31,055	Host-owned
Nov 6, 2017	Westhampton, MA	9.4 kW	$29,078	Host-owned
Oct 18, 2017	Somerville, MA	7 kW	$22,512	Host-owned
Oct 9, 2017	Boxford, MA	13.2 kW	$35,000	Host-owned
Jan 5, 2017	Templeton, MA	9.8 kW	$32,907	Host-owned
Jun 2, 2016	Methuen, MA	6.8 kW	$31,698	Host-owned
Apr 19, 2016	Arlington, MA	4.3 kW	$19,034	Host-owned
Feb 23, 2016	Medford, MA	6 kW	$22,285	Host-owned
Dec 24, 2015	Halifax, MA	5.7 kW	$24,533	Host-owned

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Service geography

Massachusetts: 13

Busiest cities

Templeton, MA 1Westborough, MA 1Halifax, MA 1Framingham, MA 1Springfield, MA 1Arlington, MA 1Methuen, MA 1Westhampton, MA 1

Record

Installer ID: PC-69408
First recorded install: Mar 3, 2014
Last recorded install: Nov 28, 2017
Priced records: 13

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How does Great Sky S compare with other installers in Massachusetts?

By recorded installations Great Sky S ranks 276th among the 463 installers based in Massachusetts with five or more records. Its median price of $3.72/W is about 11% below the Massachusetts median of $4.17/W. Its median system, 7 kW, is roughly in line with the state median of 7.5 kW. 0% of its recorded installations are third-party owned (lease or power-purchase agreement), against 47% across Massachusetts. 0% include battery storage, compared with 4% of Massachusetts records. Installers of similar recorded volume in Massachusetts include Northeast Solar Services dba Revolusun (13), Ml Schmitt (13) and Diversified Construction Services (13).

How has Great Sky S's installation volume changed?

Great Sky S's earliest dated installation on record is from 2014. It has recorded installations in 4 calendar years. The busiest year was 2017, with 6 installations. Its median price per watt moved from $4.04/W in 2014 to $3.10/W in 2017. The most recent recorded installation is dated Nov 28, 2017. No installation in the public records is dated within the last three years.

Where does Great Sky S install solar?

All recorded installations are in Massachusetts. The cities with the most of its installations are Templeton, MA (1), Westborough, MA (1), Halifax, MA (1), Framingham, MA (1) and Springfield, MA (1).

Frequently asked questions

How many solar installations has Great Sky S completed?

PanelCensus records 13 installations by Great Sky S, from Mar 3, 2014 to Nov 28, 2017, totalling 100 kW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does Great Sky S charge for solar?

The median installed price across 13 priced systems is $3.72/W before incentives (median system 7 kW, about $28,810). The Massachusetts median is $4.17/W.

Where does Great Sky S install solar?

All 13 recorded installations are in Massachusetts, the most of them in Templeton.

Is Great Sky S still installing solar?

The most recent installation attributed to Great Sky S in the public records is dated Nov 28, 2017; 2017 has 6 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.

Does Great Sky S install leased or PPA solar systems?

0 recorded installations by Great Sky S (0%) are third-party owned — a lease or power-purchase agreement; across Massachusetts the share is 47%.

Does Great Sky S install battery storage?

0 recorded installations by Great Sky S (0%) include a battery.

Related installers and places

Dataset updated September 2026 . Sources: LBNL Tracking the Sun + permit and program records; installer resolved by exact-normalized name matching.

About this data

Source: Lawrence Berkeley National Laboratory's Tracking the Sun, merged with city permit records, state incentive programs and the USGS U.S. Large-Scale Solar Photovoltaic Database / EIA-860 plant registers, as published September 21, 2026 — PanelCensus refreshes it as each source publishes new records. See the methodology for how records are matched, cleaned and scored.

Cite as: PanelCensus, “Great Sky S, solar installer (Massachusetts)”, https://panelcensus.com/installers/massachusetts/great-sky-s-69408 (data as of September 21, 2026).