PanelCensus

Key Solar

Recently active

Solar installer based in Massachusetts · active in 2 states · installer record #6989 resolved from 36 public installation records.

Recorded installs
36
Total capacity
14.8 MW
DC nameplate
Median system
205.1 kW
≈ $370,560
Median price
$2.04/W
pre-incentive
Third-party owned
25%
lease / PPA
Battery attach
6%
First recorded
2011
Last recorded
2024

Track record

Install volume by year

2011
1$1.87/W
2013
1$1.68/W
2017
3$2.56/W
2018
7$1.99/W
2019
4$2.12/W
2020
7$2.36/W
2021
5$1.87/W
2022
5$2.16/W
2023
1$1.98/W
2024
1$2.05/W

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

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
Oct 10, 2024Haverhill, MA442.3 kW$908,879—
Sep 13, 2023Hopkinton, MA25.3 kW$50,000Host-owned
Sep 6, 2022Norfolk, MA227.5 kW$780,795Third-party
Aug 29, 2022Framingham, MA31.4 kW$36,048Host-owned
Jul 1, 2022Millville, MA87.4 kW$201,257Host-owned
May 13, 2022Sudbury, MA214.8 kW$360,264Host-owned
Jan 24, 2022Grafton, MA304.9 kW$658,025Host-owned
Dec 31, 2021Framingham, MA458.8 kW$830,963Host-owned
Oct 7, 2021East Bridgewater, MA775 kW$1,797,000—
Oct 7, 2021East Bridgewater, MA1,021.6 kW$1,797,000Third-party

Service geography

Massachusetts
35
Rhode Island
1

Busiest cities

Framingham, MA 6Hopkinton, MA 3Sudbury, MA 2East Bridgewater, MA 2Brewster, MA 2Braintree, MA 2Medway, MA 2Grafton, MA 2

Record

Installer ID
PC-6989
First recorded install
Jan 1, 2011
Last recorded install
Oct 10, 2024
Priced records
34

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Frequently asked questions

How many solar installations has Key Solar completed?

PanelCensus records 36 installations by Key Solar, from Jan 1, 2011 to Oct 10, 2024, totalling 14.8 MW of capacity. Dataset coverage varies by state, so actual totals may be higher.

What does Key Solar charge for solar?

The median installed price across 34 priced systems is $2.04/W pre-incentive (median system 205.1 kW, ≈ $370,560). Third-party-owned (lease/PPA) share: 25%.

Where does Key Solar install solar?

Recorded installs span 2 states, led by Massachusetts (35), Rhode Island (1).

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