Sol Systems

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Solar installer based in Massachusetts · active in 3 states · installer record #11173 resolved from 19 public installation records.

At a glance

Sol Systems is a solar installer with 19 recorded installations totalling 28.3 MW, dated 2011 to 2020. Its records are concentrated in Massachusetts (63%), where it ranks 220th of 463 profiled installers by volume and 5,519th of 10,536 nationally. The median installed price across 12 priced systems is $2.83/W before incentives.

Recorded installs

Total capacity

28.3 MW

DC nameplate

Median system

1,370.9 kW

≈ $1,676,454

Median price

$2.83/W

pre-incentive

Third-party owned

11%

lease / PPA

Battery attach

42%

First recorded

2011

Last recorded

2020

Track record

Install volume by year

2011

1$5.63/W

2013

2015

5$3.00/W

2016

5$7.46/W

2017

2018

5$1.89/W

2019

2020

1$1.74/W

2021

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

Latest records

Most recent recorded installs

Date	Location	Size	Price	Ownership
Jan 1, 2021	Placerville, CA	1,900 kW	$1,785,000	—
Dec 11, 2020	Placerville, CA	1,023.8 kW	$1,785,000	Third-party
Nov 18, 2019	Branchville, NJ	2,988 kW	—	— · battery
Nov 27, 2018	Fall River, MA	685.4 kW	$1,295,347	Host-owned
Nov 27, 2018	Fall River, MA	933.1 kW	$1,781,102	Host-owned
Nov 27, 2018	Fall River, MA	1,370.9 kW	$2,590,694	Host-owned
Jul 2, 2018	Logan Township, NJ	2,164.1 kW	—	— · battery
Jun 27, 2018	Edison, NJ	4,112.6 kW	—	— · battery
Dec 19, 2017	Florence, NJ	3,334.5 kW	—	— · battery
Aug 9, 2017	Carteret, NJ	7,509.2 kW	—	Third-party · battery

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Service geography

Massachusetts: 12
New Jersey: 9
California: 2

Busiest cities

Fall River, MA 4Logan Township, NJ 2Marlborough, MA 2Avenel, NJ 2Ayer, MA 2Carteret, NJ 2Edison, NJ 1Florence, NJ 1

Record

Installer ID: PC-11173
First recorded install: Nov 18, 2011
Last recorded install: Dec 11, 2020
Priced records: 12

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How does Sol Systems compare with other installers in Massachusetts?

By recorded installations Sol Systems ranks 220th among the 463 installers based in Massachusetts with five or more records. Its median price of $2.83/W is about 32% below the Massachusetts median of $4.17/W (the installer's median covers every state it works in). Its median system, 1,370.9 kW, is about 183 times the state median of 7.5 kW. 11% of its recorded installations are third-party owned (lease or power-purchase agreement), against 47% across Massachusetts. 42% include battery storage, compared with 4% of Massachusetts records. Installers of similar recorded volume in Massachusetts include East Coast Solar (19), Industria Engineering (19) and Nextgrid (19).

How has Sol Systems's installation volume changed?

Sol Systems's earliest dated installation on record is from 2011. It has recorded installations in 9 calendar years. The busiest year was 2015, with 5 installations. 2021, its latest year with records, has 1. Its median price per watt moved from $5.63/W in 2011 to $1.74/W in 2020. The most recent recorded installation is dated Dec 11, 2020. No installation in the public records is dated within the last three years.

Where does Sol Systems install solar?

Recorded installations span 3 states: Massachusetts (12, 63%), New Jersey (9, 47%) and California (2, 11%). The cities with the most of its installations are Fall River, MA (4), Logan Township, NJ (2), Marlborough, MA (2), Avenel, NJ (2) and Ayer, MA (2).

Frequently asked questions

How many solar installations has Sol Systems completed?

PanelCensus records 19 installations by Sol Systems, from Nov 18, 2011 to Dec 11, 2020, totalling 28.3 MW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does Sol Systems charge for solar?

The median installed price across 12 priced systems is $2.83/W before incentives (median system 1,370.9 kW, about $1,676,454). The Massachusetts median is $4.17/W.

Where does Sol Systems install solar?

Recorded installs span 3 states, led by Massachusetts (12), New Jersey (9) and California (2). Its busiest city is Fall River, MA.

Is Sol Systems still installing solar?

The most recent installation attributed to Sol Systems in the public records is dated Dec 11, 2020; 2021 has 1 recorded installation. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.

Does Sol Systems install leased or PPA solar systems?

2 recorded installations by Sol Systems (11%) are third-party owned — a lease or power-purchase agreement; across Massachusetts the share is 47%.

Does Sol Systems install battery storage?

8 recorded installations by Sol Systems (42%) 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, “Sol Systems, solar installer (Massachusetts)”, https://panelcensus.com/installers/massachusetts/sol-systems-11173 (data as of September 21, 2026).