Treeium

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Solar installer based in California · installer record #13169 resolved from 321 public installation records.

At a glance

Treeium is a solar installer with 321 recorded installations totalling 2.4 MW, dated 2013 to 2025. All of its records are in California, where it ranks 675th of 6,220 profiled installers by volume and 1,073rd of 10,536 nationally. The median installed price across 330 priced systems is $3.51/W before incentives.

Recorded installs

321

Total capacity

2.4 MW

DC nameplate

Median system

7 kW

≈ $25,000

Median price

$3.51/W

pre-incentive

Third-party owned

lease / PPA

Battery attach

27%

First recorded

2013

Last recorded

2025

Track record

Install volume by year

2013

2$5.58/W

2014

12$5.04/W

2015

2$6.91/W

2016

1$5.20/W

2017

1$5.98/W

2018

2$4.10/W

2019

61$3.45/W

2020

106$3.79/W

2021

57$3.17/W

2022

63$3.37/W

2023

31$3.80/W

2024

5$3.67/W

2025

2$3.18/W

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

Latest records

Most recent recorded installs

Date	Location	Size	Price	Ownership
Jul 28, 2025	Santa Ana, CA	11.6 kW	$40,600	Host-owned
Jun 13, 2025	Hidden Hills, CA	26.4 kW	$74,976	Host-owned
Oct 11, 2024	Somis, CA	6.5 kW	$14,286	Host-owned · battery
Oct 9, 2024	Rolling Hills, CA	10 kW	$34,714	Host-owned · battery
Aug 30, 2024	Newport Beach, CA	12 kW	$44,032	Host-owned
Jul 18, 2024	Long Beach, CA	7.6 kW	$33,600	Host-owned · battery
Jun 25, 2024	Huntington Beach, CA	7.6 kW	$71,127	Host-owned · battery
Dec 6, 2023	Chatsworth, CA	13.5 kW	$28,923	Host-owned · battery
Nov 24, 2023	Placentia, CA	10.4 kW	$31,011	Host-owned · battery
Nov 12, 2023	Irvine, CA	7.6 kW	$15,671	Host-owned · battery

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Service geography

California: 345

Busiest cities

Thousand Oaks, CA 14Long Beach, CA 13Irvine, CA 11Torrance, CA 10Huntington Beach, CA 10Costa Mesa, CA 10Santa Ana, CA 9Buena Park, CA 9

Record

Installer ID: PC-13169
First recorded install: Oct 24, 2013
Last recorded install: Jul 28, 2025
Priced records: 330

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How does Treeium compare with other installers in California?

By recorded installations Treeium ranks 675th among the 6,220 installers based in California with five or more records. Its median price of $3.51/W is about 18% below the California median of $4.26/W. Its median system, 7 kW, is about 18% above the state median of 5.9 kW. under 1% of its recorded installations are third-party owned (lease or power-purchase agreement), against 29% across California. 27% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include Ac Electric (321), Amerigreen Builders (321) and Referral Design Construction (321).

How has Treeium's installation volume changed?

Treeium's earliest dated installation on record is from 2013. It has recorded installations in 13 calendar years. The busiest year was 2020, with 106 installations. 2025, its latest year with records, has 2. Its median price per watt moved from $5.58/W in 2013 to $3.18/W in 2025. The most recent recorded installation is dated Jul 28, 2025.

Where does Treeium install solar?

All recorded installations are in California. The cities with the most of its installations are Thousand Oaks, CA (14), Long Beach, CA (13), Irvine, CA (11), Torrance, CA (10) and Huntington Beach, CA (10).

Frequently asked questions

How many solar installations has Treeium completed?

PanelCensus records 321 installations by Treeium, from Oct 24, 2013 to Jul 28, 2025, totalling 2.4 MW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does Treeium charge for solar?

The median installed price across 330 priced systems is $3.51/W before incentives (median system 7 kW, about $25,000). The California median is $4.26/W.

Where does Treeium install solar?

All 321 recorded installations are in California, the most of them in Thousand Oaks.

Is Treeium still installing solar?

The most recent installation attributed to Treeium in the public records is dated Jul 28, 2025; 2025 has 2 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.

Does Treeium install leased or PPA solar systems?

1 recorded installation by Treeium (under 1%) is third-party owned — a lease or power-purchase agreement; across California the share is 29%.

Does Treeium install battery storage?

88 recorded installations by Treeium (27%) 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, “Treeium, solar installer (California)”, https://panelcensus.com/installers/california/treeium-13169 (data as of September 21, 2026).