Sunpeak

Recently active

Solar installer based in Wisconsin · installer record #12475 resolved from 69 public installation records.

Recorded installs

Total capacity

2.1 MW

DC nameplate

Median system

27.2 kW

≈ $112,600

Median price

$2.06/W

pre-incentive

Third-party owned

lease / PPA

Battery attach

First recorded

2014

Last recorded

2023

Track record

Install volume by year

2014

2015

9$2.47/W

2016

3$1.87/W

2017

8$2.23/W

2018

11$2.62/W

2019

5$1.91/W

2020

13$1.73/W

2021

3$2.21/W

2022

4$1.83/W

2023

11$2.54/W

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

Latest records

Most recent recorded installs

Date	Location	Size	Price	Ownership
Sep 11, 2023	Belleville, WI	39 kW	$99,100	Host-owned
Sep 11, 2023	Madison, WI	48.4 kW	$106,152	Host-owned
Aug 17, 2023	Stoughton, WI	21.5 kW	$60,800	Host-owned
Jul 18, 2023	Sauk City, WI	15.3 kW	$43,000	Host-owned
Apr 18, 2023	Belleville, WI	4.8 kW	$21,500	Host-owned
Apr 14, 2023	McFarland, WI	146.4 kW	$270,989	Host-owned
Mar 28, 2023	Madison, WI	61 kW	$141,000	Host-owned
Mar 22, 2023	Fitchburg, WI	8.8 kW	$29,100	Host-owned
Jan 24, 2023	Madison, WI	15.9 kW	$76,900	Host-owned
Jan 20, 2023	Middleton, WI	60.5 kW	$128,200	Host-owned

Service geography

Wisconsin: 69

Busiest cities

Madison, WI 26Middleton, WI 9Monona, WI 4McFarland, WI 2Belleville, WI 2Oshkosh, WI 2Milwaukee, WI 2Cottage Grove, WI 2

Record

Installer ID: PC-12475
First recorded install: Dec 18, 2014
Last recorded install: Sep 11, 2023
Priced records: 36

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Frequently asked questions

How many solar installations has Sunpeak completed?

The Tracking the Sun dataset records 69 installations by Sunpeak, from Dec 18, 2014 to Sep 11, 2023, totalling 2.1 MW of capacity. Dataset coverage varies by state, so actual totals may be higher.

What does Sunpeak charge for solar?

The median installed price across 36 priced systems is $2.06/W pre-incentive (median system 27.2 kW, ≈ $112,600). Third-party-owned (lease/PPA) share: 0%.

Where does Sunpeak install solar?

Recorded installs span 1 state, led by Wisconsin (69).

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