Bay State Solar

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Solar installer based in Massachusetts · active in 2 states · installer record #1511 resolved from 195 public installation records.

Recorded installs

195

Total capacity

2.8 MW

DC nameplate

Median system

7.7 kW

≈ $31,200

Median price

$4.25/W

pre-incentive

Third-party owned

42%

lease / PPA

Battery attach

First recorded

2013

Last recorded

2022

Track record

Install volume by year

2013

1$2.12/W

2014

2$4.12/W

2015

66$4.25/W

2016

63$4.25/W

2017

26$3.85/W

2018

25$3.35/W

2019

2$2.61/W

2020

1$3.00/W

2021

5$4.25/W

2022

1$3.89/W

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

Latest records

Most recent recorded installs

Date	Location	Size	Price	Ownership
Jan 27, 2022	Malden, MA	13.3 kW	$51,599	Host-owned
Nov 19, 2021	Williamstown, MA	4 kW	$14,753	Host-owned
Sep 21, 2021	Norton, MA	13.3 kW	$101,447	Host-owned · battery
Sep 20, 2021	Milton, MA	12.2 kW	$52,020	Host-owned
Aug 4, 2021	Brewster, MA	12.6 kW	$39,080	Host-owned
Jul 28, 2021	Attleboro, MA	14.3 kW	$128,764	Host-owned · battery
Aug 5, 2020	Smithfield, RI	45.8 kW	$137,101	Host-owned
Feb 14, 2019	Leverett, MA	478.8 kW	$1,149,120	—
Feb 5, 2019	Dennis, MA	47.3 kW	$133,414	—
Aug 21, 2018	Wareham, MA	8.5 kW	$31,444	Host-owned

Service geography

Massachusetts: 191
Rhode Island: 4

Busiest cities

Fall River, MA 11Rehoboth, MA 10Westport, MA 10Brockton, MA 9Somerset, MA 9Swansea, MA 9New Bedford, MA 6Dartmouth, MA 6

Record

Installer ID: PC-1511
First recorded install: Dec 24, 2013
Last recorded install: Jan 27, 2022
Priced records: 195

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Frequently asked questions

How many solar installations has Bay State Solar completed?

The Tracking the Sun dataset records 195 installations by Bay State Solar, from Dec 24, 2013 to Jan 27, 2022, totalling 2.8 MW of capacity. Dataset coverage varies by state, so actual totals may be higher.

What does Bay State Solar charge for solar?

The median installed price across 195 priced systems is $4.25/W pre-incentive (median system 7.7 kW, ≈ $31,200). Third-party-owned (lease/PPA) share: 42%.

Where does Bay State Solar install solar?

Recorded installs span 2 states, led by Massachusetts (191), Rhode Island (4).

Dataset updated July 2026 . Source: LBNL Tracking the Sun public dataset; installer resolved by exact-normalized name matching.