PanelCensus

Solar One Service Pros

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Solar installer based in California · installer record #71034 resolved from 8 public installation records.

At a glance

Solar One Service Pros is a solar installer with 8 recorded installations totalling 97 kW, dated 2023 to 2025. All of its records are in California, where it ranks 4768th of 6,010 profiled installers by volume and 8,284th of 10,537 nationally.

Recorded installs
8
Total capacity
97 kW
DC nameplate
Median system
10.9 kW
≈ $40,515
Median price
—
too few priced systems
Third-party owned
13%
lease / PPA
Battery attach
0%
First recorded
2023
Last recorded
2025

Track record

Install volume by year

2023
5$3.58/W
2025
3$3.82/W

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

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
May 3, 2025Lancaster, CA14.7 kW$39,420Host-owned
Mar 12, 2025Apple Valley, CA12.7 kW$48,518Host-owned
Mar 3, 2025Lancaster, CA9.7 kW$41,610Host-owned
Oct 29, 2023Lancaster, CA20.6 kW$78,840Host-owned
Aug 22, 2023Santa Ana, CA11.6 kW$49,736Host-owned
Aug 17, 2023Lancaster, CA9.8 kW$24,090Host-owned
Aug 16, 2023Lancaster, CA7.3 kW$26,280Host-owned
Jul 27, 2023Lancaster, CA10.3 kW$14,924Third-party

Service geography

Busiest cities

Lancaster, CA 6Santa Ana, CA 1Apple Valley, CA 1

Record

Installer ID
PC-71034
First recorded install
Jul 27, 2023
Last recorded install
May 3, 2025
Priced records
8

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How does Solar One Service Pros compare with other installers in California?

By recorded installations Solar One Service Pros ranks 4768th among the 6,010 installers based in California with five or more records. Its median system, 10.9 kW, is about 85% above the state median of 5.9 kW. 13% of its recorded installations are third-party owned (lease or power-purchase agreement), against 29% across California. 0% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include Ej Construction (8), Dean Kyle Electric (8) and Independence Construction (8).

How has Solar One Service Pros's installation volume changed?

Solar One Service Pros's earliest dated installation on record is from 2023. It has recorded installations in 2 calendar years. The busiest year was 2023, with 5 installations. 2025, its latest year with records, has 3. Its median price per watt moved from $3.58/W in 2023 to $3.82/W in 2025. The most recent recorded installation is dated May 3, 2025.

Where does Solar One Service Pros install solar?

All recorded installations are in California. The cities with the most of its installations are Lancaster, CA (6), Santa Ana, CA (1) and Apple Valley, CA (1).

Frequently asked questions

How many solar installations has Solar One Service Pros completed?

PanelCensus records 8 installations by Solar One Service Pros, from Jul 27, 2023 to May 3, 2025, totalling 97 kW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does Solar One Service Pros charge for solar?

The median installed price across 8 priced systems from all years is $3.70/W before incentives (median system 10.9 kW, about $40,515). The California median is $4.26/W. Prices are the total project cost reported to state programs, so they can include work billed with the solar.

Where does Solar One Service Pros install solar?

All 8 recorded installations are in California, the most of them in Lancaster.

Is Solar One Service Pros still installing solar?

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

Does Solar One Service Pros install leased or PPA solar systems?

1 recorded installation by Solar One Service Pros (13%) is third-party owned — a lease or power-purchase agreement; across California the share is 29%.

Does Solar One Service Pros install battery storage?

0 recorded installations by Solar One Service Pros (0%) include a battery.

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, “Solar One Service Pros, solar installer (California)”, https://panelcensus.com/installers/california/solar-one-service-pros-71034 (data as of September 21, 2026).