PanelCensus

Spg Solar

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Solar installer based in California · active in 2 states · installer record #11957 resolved from 1,459 public installation records.

Data through: California through Aug 2026 (monthly state program data); its other state through Dec 2025 (LBNL Tracking the Sun).

At a glance

Spg Solar is a solar installer with 1,459 recorded installations totalling 109.8 MW, dated 2001 to 2020. Its records are concentrated in California (98%), where it ranks 192nd of 6,163 profiled installers by volume and 315th of 10,840 nationally. The median installed price across 1,245 priced systems from all years is $7.46/W before incentives.

Recorded installs
1,459
Total capacity
109.8 MW
DC nameplate
Median system
6 kW
≈ $39,977
Median price
$7.46/W
all years · 1,245 priced
Third-party owned
4%
lease / PPA
Battery attach
0%
First recorded
2001
Last recorded
2020

Track record

Install volume by year

2001
19
2002
36
2003
55
2004
129
2005
110
2006
203
2007
258
2008
293
2009
203
2010
55
2011
33
2012
33
2013
16
2014
10
2015
1
2016
3
2020
1

Recorded installs per year.

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
Jan 1, 2020Walnut, CA2,200 kW$4,973,397—
Jul 29, 2016Auburn, CA87.8 kW——
Jul 29, 2016Auburn, CA99.2 kW—Host-owned
Mar 4, 2016Riverside, CA1,014.4 kW$2,760,237Host-owned
Sep 16, 2015Tipton, CA987.4 kW——
Nov 12, 2014Los Molinos, CA1,094.4 kW$2,759,258Host-owned
Nov 6, 2014Fullerton, CA256.7 kW——
Oct 13, 2014Stockton, CA1,127.6 kW—Host-owned
Sep 12, 2014Mountain View, CA428.3 kW$1,837,722Host-owned
Jul 30, 2014Saint Helena, CA15.6 kW—Host-owned

See all 1,459 installations →searchable & filterable; export to CSV with a free account

Service geography

California
1,431
Arizona
28

Busiest cities

Chico, CA 82Oroville, CA 81San Rafael, CA 72Santa Rosa, CA 66Mill Valley, CA 65Novato, CA 59Napa, CA 52Petaluma, CA 36

Record

Installer ID
PC-11957
First recorded install
May 24, 2001
Last recorded install
Jan 1, 2020
Priced records
1,245

Is this your company?

Owners can claim this profile free with a work email to keep the website and description current and post the company's own price figures beside ours.

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How does Spg Solar compare with other installers in California?

By recorded installations Spg Solar ranks 192nd among the 6,163 installers based in California with five or more records. Its all-years median price of $7.46/W is about 75% above the California median of $4.26/W (the installer's median covers every state it works in). Its median system, 6 kW, is roughly in line with the state median of 5.9 kW. 4% 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 Fuzion Energy (1,466), Swell Energy (1,464) and SOLAR TECH ENERGY SYSTEMS INC (1,463).

How has Spg Solar's installation volume changed?

Spg Solar's earliest dated installation on record is from 2001. It has recorded installations in 17 calendar years. The busiest year was 2008, with 293 installations. 2020, its latest year with records, has 1. Its median price per watt moved from $8.92/W in 2001 to $2.72/W in 2016. The most recent recorded installation is dated Jan 1, 2020. No installation in the public records is dated within the last three years.

Where does Spg Solar install solar?

Recorded installations span 2 states: California (1,431, 98%) and Arizona (28, 2%). The cities with the most of its installations are Chico, CA (82), Oroville, CA (81), San Rafael, CA (72), Santa Rosa, CA (66) and Mill Valley, CA (65).

Frequently asked questions

How many solar installations has Spg Solar completed?

PanelCensus records 1,459 installations by Spg Solar, from May 24, 2001 to Jan 1, 2020, totalling 109.8 MW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does Spg Solar charge for solar?

The median installed price across 1,245 priced systems from all years is $7.46/W before incentives (median system 6 kW, about $39,977). 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 Spg Solar install solar?

Recorded installs span 2 states, led by California (1,431) and Arizona (28). Its busiest city is Chico, CA.

Is Spg Solar still installing solar?

The most recent installation attributed to Spg Solar in the public records is dated Jan 1, 2020; 2020 has 1 recorded installation. Records here run California through Aug 2026 (monthly state program data); its other state through Dec 2025 (LBNL Tracking the Sun), so the newest installations may not appear yet.

Does Spg Solar install leased or PPA solar systems?

64 recorded installations by Spg Solar (4%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.

Does Spg Solar install battery storage?

0 recorded installations by Spg Solar (0%) include a battery.

Related installers and places

Dataset updated . Sources: LBNL Tracking the Sun (through 2025), monthly state program records (California DGStats, NYSERDA, NJ Clean Energy, Illinois Shines) and permit records; installer resolved by exact-normalized name matching and, for state program records, by the systems both sources share.

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, “Spg Solar, solar installer (California)”, https://panelcensus.com/installers/california/spg-solar-11957 (data as of September 21, 2026).