PanelCensus

Alter Systems Installations

No recent records

Solar installer based in California · installer record #774 resolved from 8 public installation records.

At a glance

Alter Systems Installations is a solar installer with 8 recorded installations totalling 46 kW, dated 2011 to 2013. All of its records are in California, where it ranks 4716th of 6,220 profiled installers by volume and 7,951st of 10,536 nationally.

Recorded installs
8
Total capacity
46 kW
DC nameplate
Median system
5.7 kW
Median price
—
pre-incentive
Third-party owned
0%
lease / PPA
Battery attach
0%
First recorded
2011
Last recorded
2013

Track record

Install volume by year

2011
1
2013
7

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

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
Dec 26, 2013Campbell, CA6.4 kW—Host-owned
Oct 17, 2013Moraga, CA9.1 kW—Host-owned
Sep 30, 2013Pinole, CA7.8 kW—Host-owned
Sep 27, 2013Santa Rosa, CA3.1 kW—Host-owned
Aug 14, 2013Sonoma, CA7.7 kW—Host-owned
Jun 18, 2013Novato, CA5.1 kW—Host-owned
Apr 26, 2013Sebastopol, CA4.7 kW—Host-owned
Dec 15, 2011Berkeley, CA2.2 kW—Host-owned

Service geography

California
8

Busiest cities

Berkeley, CA 1Campbell, CA 1Santa Rosa, CA 1Sebastopol, CA 1Moraga, CA 1Sonoma, CA 1Novato, CA 1Pinole, CA 1

Record

Installer ID
PC-774
First recorded install
Dec 15, 2011
Last recorded install
Dec 26, 2013
Priced records
0

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How does Alter Systems Installations compare with other installers in California?

By recorded installations Alter Systems Installations ranks 4716th among the 6,220 installers based in California with five or more records. Its median system, 5.7 kW, is roughly in line with 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. 0% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include All American Air Solar Systems (8), All American Design (8) and Alta Tourbine (8).

How has Alter Systems Installations's installation volume changed?

Alter Systems Installations's earliest dated installation on record is from 2011. It has recorded installations in 2 calendar years. The busiest year was 2013, with 7 installations. The most recent recorded installation is dated Dec 26, 2013. No installation in the public records is dated within the last three years.

Where does Alter Systems Installations install solar?

All recorded installations are in California. The cities with the most of its installations are Berkeley, CA (1), Campbell, CA (1), Santa Rosa, CA (1), Sebastopol, CA (1) and Moraga, CA (1).

Frequently asked questions

How many solar installations has Alter Systems Installations completed?

PanelCensus records 8 installations by Alter Systems Installations, from Dec 15, 2011 to Dec 26, 2013, totalling 46 kW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does Alter Systems Installations charge for solar?

The recorded systems for Alter Systems Installations do not include enough price data to compute a reliable median.

Where does Alter Systems Installations install solar?

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

Is Alter Systems Installations still installing solar?

The most recent installation attributed to Alter Systems Installations in the public records is dated Dec 26, 2013; 2013 has 7 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.

Does Alter Systems Installations install leased or PPA solar systems?

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

Does Alter Systems Installations install battery storage?

0 recorded installations by Alter Systems Installations (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, “Alter Systems Installations, solar installer (California)”, https://panelcensus.com/installers/california/alter-systems-installations-774 (data as of September 21, 2026).