PanelCensus

Third Millennium

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Solar installer based in California · installer record #12948 resolved from 15 public installation records.

At a glance

Third Millennium is a solar installer with 15 recorded installations totalling 125 kW, dated 2013 to 2015. All of its records are in California, where it ranks 3697th of 6,220 profiled installers by volume and 6,188th of 10,536 nationally.

Recorded installs
15
Total capacity
125 kW
DC nameplate
Median system
5.5 kW
Median price
—
too few priced systems
Third-party owned
7%
lease / PPA
Battery attach
0%
First recorded
2013
Last recorded
2015

Track record

Install volume by year

2013
1
2014
10
2015
4

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

Latest records

Most recent recorded installs

DateLocationSizePriceOwnership
May 14, 2015Long Beach, CA49.5 kW——
Mar 26, 2015Lake Elsinore, CA3.2 kW——
Jan 22, 2015Canyon Lake, CA8.9 kW——
Jan 2, 2015Long Beach, CA6.5 kW—Third-party
Dec 23, 2014Buena Park, CA4.4 kW——
Aug 27, 2014Long Beach, CA3.9 kW——
Aug 26, 2014Seal Beach, CA5.8 kW——
Aug 21, 2014Corona, CA7.4 kW——
Aug 5, 2014Alhambra, CA6.6 kW——
Jul 29, 2014Altadena, CA4.2 kW——

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Service geography

Busiest cities

Long Beach, CA 4Seal Beach, CA 3Lake Elsinore, CA 1Buena Park, CA 1Corona, CA 1Altadena, CA 1Aliso Viejo, CA 1Lakewood, CA 1

Record

Installer ID
PC-12948
First recorded install
May 23, 2013
Last recorded install
May 14, 2015
Priced records
0

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How does Third Millennium compare with other installers in California?

By recorded installations Third Millennium ranks 3697th among the 6,220 installers based in California with five or more records. Its median system, 5.5 kW, is roughly in line with the state median of 5.9 kW. 7% 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 Sustainability Is Designed (15), Synergy Conservation (15) and T S Energy (15).

How has Third Millennium's installation volume changed?

Third Millennium's earliest dated installation on record is from 2013. It has recorded installations in 3 calendar years. The busiest year was 2014, with 10 installations. 2015, its latest year with records, has 4. The most recent recorded installation is dated May 14, 2015. No installation in the public records is dated within the last three years.

Where does Third Millennium install solar?

All recorded installations are in California. The cities with the most of its installations are Long Beach, CA (4), Seal Beach, CA (3), Lake Elsinore, CA (1), Buena Park, CA (1) and Corona, CA (1).

Frequently asked questions

How many solar installations has Third Millennium completed?

PanelCensus records 15 installations by Third Millennium, from May 23, 2013 to May 14, 2015, totalling 125 kW of capacity. Public reporting varies by state, so the company's true total may be higher.

What does Third Millennium charge for solar?

The recorded systems for Third Millennium do not include enough price data to compute a reliable median.

Where does Third Millennium install solar?

All 15 recorded installations are in California, the most of them in Long Beach.

Is Third Millennium still installing solar?

The most recent installation attributed to Third Millennium in the public records is dated May 14, 2015; 2015 has 4 recorded installations. Records reach PanelCensus months to a couple of years after installation, so recent activity may not appear yet.

Does Third Millennium install leased or PPA solar systems?

1 recorded installation by Third Millennium (7%) is third-party owned — a lease or power-purchase agreement; across California the share is 29%.

Does Third Millennium install battery storage?

0 recorded installations by Third Millennium (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, “Third Millennium, solar installer (California)”, https://panelcensus.com/installers/california/third-millennium-12948 (data as of September 21, 2026).