PanelCensus

Full Spectrum Solar

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Solar installer based in Wisconsin · installer record #4916 resolved from 964 public installation records.

At a glance

Full Spectrum Solar is a solar installer with 964 recorded installations totalling 9.1 MW, dated 2009 to 2025. All of its records are in Wisconsin, where it ranks 4th of 119 profiled installers by volume and 437th of 10,537 nationally. Its median installed price for solar-only systems in 2023–2025 is $2.93/W before incentives, across 80 priced systems.

Recorded installs
964
Total capacity
9.1 MW
DC nameplate
Median system
6.5 kW
≈ $18,610
Median price
$2.93/W
2023–2025 · solar only · 80 priced
Third-party owned
—
not reported in this state
Battery attach
—
not reported in this state
First recorded
2009
Last recorded
2025

Track record

Install volume by year

2009
1$8.00/W
2010
7$7.13/W
2011
5$7.10/W
2012
26$5.88/W
2013
13$5.33/W
2014
30$4.27/W
2015
53$2.77/W
2016
93$2.79/W
2017
110$2.98/W
2018
128$2.94/W
2019
138$2.80/W
2020
127$2.88/W
2021
103$2.86/W
2022
31$2.84/W
2023
49$3.01/W
2024
33$2.93/W
2025
17$2.79/W

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

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
Dec 3, 2025Hayward, WI8.1 kW$23,480—
Oct 20, 2025Plover, WI10.4 kW$26,970—
Sep 19, 2025Ladysmith, WI25.2 kW$80,704—
Sep 15, 2025Rice Lake, WI12.8 kW$35,636—
Aug 29, 2025Danbury, WI10.2 kW$27,440—
Jul 17, 2025Eau Claire, WI16.2 kW$45,113—
Jul 10, 2025Gordon, WI6.5 kW$25,600—
Jun 5, 2025Lake Nebagamon, WI6 kW$19,950—
May 29, 2025Rice Lake, WI30.6 kW$86,365—
May 28, 2025Hayward, WI152.5 kW$321,460—

See all 964 installations →searchable & filterable; export to CSV with a free account

Service geography

Wisconsin
964

Busiest cities

Madison, WI 252Middleton, WI 44Fitchburg, WI 33Bayfield, WI 24Washburn, WI 22Verona, WI 20Ashland, WI 16Waunakee, WI 16

Record

Installer ID
PC-4916
First recorded install
Dec 29, 2009
Last recorded install
Dec 3, 2025
Priced records
909

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How does Full Spectrum Solar compare with other installers in Wisconsin?

By recorded installations Full Spectrum Solar ranks 4th among the 119 installers based in Wisconsin with five or more records. Its 2023–2025 solar-only median of $2.93/W is about 19% below the Wisconsin median of $3.62/W on the same basis. Its median system, 6.5 kW, is about 12% below the state median of 7.4 kW. Installers of similar recorded volume in Wisconsin include Everlight Solar (3,880), Arch Electric (1,578) and Olson Solar Energy (1,348).

How has Full Spectrum Solar's installation volume changed?

Full Spectrum Solar's earliest dated installation on record is from 2009. It has recorded installations in 17 calendar years. The busiest year was 2019, with 138 installations. 2025, its latest year with records, has 17. Its median price per watt moved from $8.00/W in 2009 to $2.79/W in 2025. The most recent recorded installation is dated Dec 3, 2025.

Where does Full Spectrum Solar install solar?

All recorded installations are in Wisconsin. The cities with the most of its installations are Madison, WI (252), Middleton, WI (44), Fitchburg, WI (33), Bayfield, WI (24) and Washburn, WI (22).

Frequently asked questions

How many solar installations has Full Spectrum Solar completed?

PanelCensus records 964 installations by Full Spectrum Solar, from Dec 29, 2009 to Dec 3, 2025, totalling 9.1 MW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does Full Spectrum Solar charge for solar?

For solar-only systems installed in 2023–2025, the median reported price is $2.93/W before incentives, across 80 priced systems. The Wisconsin median on the same basis is $3.62/W. Across all 909 priced systems since 2009, including battery systems, the median is $2.93/W. Prices are the total project cost reported to state incentive programs, divided by the system's DC watts, so they can include electrical upgrades or other work billed with the solar.

Where does Full Spectrum Solar install solar?

All 964 recorded installations are in Wisconsin, the most of them in Madison.

Is Full Spectrum Solar still installing solar?

The most recent installation attributed to Full Spectrum Solar in the public records is dated Dec 3, 2025; 2025 has 17 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.

Related installers and places

Dataset updated . 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, “Full Spectrum Solar, solar installer (Wisconsin)”, https://panelcensus.com/installers/wisconsin/full-spectrum-solar-4916 (data as of September 21, 2026).