Sonpower

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Solar installer based in California · installer record #11830 resolved from 81 public installation records.

At a glance

Sonpower is a solar installer with 81 recorded installations totalling 635 kW, dated 2015 to 2024. All of its records are in California, where it ranks 1628th of 6,220 profiled installers by volume and 2,654th of 10,536 nationally. The median installed price across 81 priced systems is $3.92/W before incentives.

Recorded installs

Total capacity

635 kW

DC nameplate

Median system

7.2 kW

≈ $27,500

Median price

$3.92/W

pre-incentive

Third-party owned

lease / PPA

Battery attach

25%

First recorded

2015

Last recorded

2024

Track record

Install volume by year

2015

13$3.99/W

2016

11$3.41/W

2017

12$3.64/W

2018

5$3.53/W

2019

8$5.27/W

2020

3$5.42/W

2021

5$3.12/W

2022

5$3.58/W

2023

18$3.81/W

2024

3$8.15/W

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

Latest records

Most recent recorded installs

Date	Location	Size	Price	Ownership
Jun 28, 2024	Whittier, CA	12 kW	$61,327	Host-owned · battery
Mar 12, 2024	Whittier, CA	6 kW	$54,000	Host-owned · battery
Jan 26, 2024	La Mirada, CA	11 kW	$89,400	Host-owned · battery
Oct 27, 2023	Whittier, CA	9.6 kW	$29,750	Host-owned
Oct 27, 2023	Whittier, CA	2 kW	$12,485	Host-owned
Oct 16, 2023	Arcadia, CA	7.2 kW	$26,300	Host-owned
Oct 11, 2023	Santa Fe Springs, CA	6.8 kW	$46,100	Host-owned · battery
Sep 18, 2023	West Covina, CA	4 kW	$19,250	Host-owned
Sep 18, 2023	Placentia, CA	8 kW	$24,100	Host-owned
Jul 14, 2023	Hacienda Heights, CA	13.8 kW	$48,550	Host-owned

See all 81 installations →searchable & filterable; export to CSV with a free account

Service geography

California: 83

Busiest cities

Whittier, CA 44La Habra, CA 7La Mirada, CA 4Long Beach, CA 3Orange, CA 3Cerritos, CA 2Arcadia, CA 2Brea, CA 2

Record

Installer ID: PC-11830
First recorded install: Apr 22, 2015
Last recorded install: Jun 28, 2024
Priced records: 81

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How does Sonpower compare with other installers in California?

By recorded installations Sonpower ranks 1628th among the 6,220 installers based in California with five or more records. Its median price of $3.92/W is roughly in line with the California median of $4.26/W. Its median system, 7.2 kW, is about 22% above the state median of 5.9 kW. 0% of its recorded installations are third-party owned (lease or power-purchase agreement), against 29% across California. 25% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include Greenpire (81), Home Built Energy (81) and Rayco Energy (81).

How has Sonpower's installation volume changed?

Sonpower's earliest dated installation on record is from 2015. It has recorded installations in 10 calendar years. The busiest year was 2023, with 18 installations. 2024, its latest year with records, has 3. Its median price per watt moved from $3.99/W in 2015 to $8.15/W in 2024. The most recent recorded installation is dated Jun 28, 2024.

Where does Sonpower install solar?

All recorded installations are in California. The cities with the most of its installations are Whittier, CA (44), La Habra, CA (7), La Mirada, CA (4), Long Beach, CA (3) and Orange, CA (3).

Frequently asked questions

How many solar installations has Sonpower completed?

PanelCensus records 81 installations by Sonpower, from Apr 22, 2015 to Jun 28, 2024, totalling 635 kW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does Sonpower charge for solar?

The median installed price across 81 priced systems is $3.92/W before incentives (median system 7.2 kW, about $27,500). The California median is $4.26/W.

Where does Sonpower install solar?

All 81 recorded installations are in California, the most of them in Whittier.

Is Sonpower still installing solar?

The most recent installation attributed to Sonpower in the public records is dated Jun 28, 2024; 2024 has 3 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.

Does Sonpower install leased or PPA solar systems?

0 recorded installations by Sonpower (0%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.

Does Sonpower install battery storage?

20 recorded installations by Sonpower (25%) 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, “Sonpower, solar installer (California)”, https://panelcensus.com/installers/california/sonpower-11830 (data as of September 21, 2026).