Solar Optimum Design Electrical
Recently activeSolar installer based in California · active in 2 states · installer record #11431 resolved from 12,006 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
Solar Optimum Design Electrical is a solar installer with 12,006 recorded installations totalling 141.8 MW, dated 2005 to 2026. Its records are concentrated in California (99%), where it ranks 22nd of 6,163 profiled installers by volume and 27th of 10,840 nationally. Its median installed price for solar-only systems in 2025 is $2.50/W before incentives, across 144 priced systems.
Track record
Install volume by year
Recorded installs per year; prices by year are in the table below.
Pricing
Price by year (solar only)
| Year | Priced systems | This installer | California median | vs state |
|---|---|---|---|---|
| 2025 | 144 | $2.50/W | $3.29/W | −24% |
| 2024 | 285 | $2.88/W | $3.80/W | −24% |
| 2023 | 2,275 | $3.11/W | $4.06/W | −23% |
| 2022 | 1,957 | $2.90/W | $4.11/W | −29% |
| 2021 | 1,031 | $2.69/W | $3.98/W | −32% |
| 2020 | 796 | $2.95/W | $3.97/W | −26% |
| 2019 | 624 | $3.04/W | $3.95/W | −23% |
| 2018 | 316 | $3.13/W | $4.01/W | −22% |
| 2017 | 145 | $3.19/W | $4.05/W | −21% |
| 2016 | 125 | $3.10/W | $4.37/W | −29% |
| 2015 | 95 | $3.40/W | $4.58/W | −26% |
Median installed price per DC watt before incentives, systems without a battery, by the year in the public record. Years with fewer than five priced systems are left out.
Why a company's own figure can differ from this one
- Timing. These prices come from state incentive filings, published about once a year, so the latest full year here is 2025. Prices moved down in many states after 2023; a company's current quotes can be lower (or higher) than its last full year on record.
- Dates. A filing is dated when the program processed it, not when the job was sold, so jobs can land in a different month or year than in the company's own books.
- What the price includes. The filed price is the whole project as reported to the program, which can include loan dealer fees, electrical panel upgrades or roof work. A company's internal figure often leaves those out.
- Batteries. Systems flagged with a battery are excluded here; a battery the filing didn't flag can still raise a year's median.
Equipment
Module, inverter and battery brands
| Equipment | Year | Main brands (share of systems that reported one) | Year before |
|---|---|---|---|
| Modules | 2026*669 reported | Qcells 28% · Mission Solar 24% · JA Solar 16% · Panasonic 14% | Panasonic 51%2025, 738 reported |
| Inverters | 2026*667 reported | Tesla 68% · Enphase 28% · SolarEdge 1% · SunPower 1% | Tesla 56%2025, 981 reported |
| Batteries | 2026*228 reported | Tesla 80% · Enphase 19% · FranklinWH 0% · LG Energy Solution 0% | Tesla 71%2025, 543 reported |
Manufacturer on each recorded installation, as filed with the state program (Tracking the Sun for earlier years). Brand names are grouped by manufacturer family (e.g. Hanwha Q CELLS and Qcells North America count as Qcells). Not every state reports equipment, and battery brands come mainly from California and New Jersey. *2026 to date, from California records only.
Latest records
Most recent recorded installs
| Date | Location | Size | Price | Ownership |
|---|---|---|---|---|
| Aug 31, 2026 | Hayward, CA | 5.8 kW | — | Host-owned · battery |
| Aug 31, 2026 | Cupertino, CA | 6.7 kW | — | Host-owned · battery |
| Aug 28, 2026 | Cupertino, CA | 5 kW | — | Host-owned · battery |
| Aug 28, 2026 | Palmdale, CA | 11.5 kW | — | Third-party · battery |
| Aug 26, 2026 | Pleasanton, CA | 15.8 kW | — | Third-party · battery |
| Aug 26, 2026 | Harbor City, CA | 8.4 kW | — | Host-owned · battery |
| Aug 25, 2026 | San Jose, CA | 7.3 kW | — | Third-party · battery |
| Aug 25, 2026 | Harbor City, CA | 17.5 kW | — | Third-party · battery |
| Aug 25, 2026 | Rancho Mirage, CA | 15.2 kW | — | Host-owned · battery |
| Aug 25, 2026 | Oceanside, CA | 5.8 kW | — | Host-owned |
See all 12,006 installations →searchable & filterable; export to CSV with a free account
Service geography
- California
- 11,830
- Arizona
- 176
Busiest cities
Record
- Installer ID
- PC-11431
- First recorded install
- Apr 1, 2005
- Last recorded install
- Aug 31, 2026
- Priced records
- 11,059
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How does Solar Optimum Design Electrical compare with other installers in California?
By recorded installations Solar Optimum Design Electrical ranks 22nd among the 6,163 installers based in California with five or more records. Its 2025 solar-only median of $2.50/W is about 24% below the California median of $3.29/W on the same basis (the installer's median covers every state it works in). Its median system, 7.8 kW, is about 32% above the state median of 5.9 kW. 2% of its recorded installations are third-party owned (lease or power-purchase agreement), against 29% across California. 33% include battery storage, compared with 16% of California records. Installers of similar recorded volume in California include Better Earth (14,640), Solcius (13,765) and Rgs Energy (12,973).
How has Solar Optimum Design Electrical's installation volume changed?
Solar Optimum Design Electrical's earliest dated installation on record is from 2005. It has recorded installations in 16 calendar years. The busiest year was 2023, with 2,926 installations. 2025, its latest year with records, has 1,017. Its median price per watt moved from $5.68/W in 2011 to $2.28/W in 2025. The most recent recorded installation is dated Aug 31, 2026.
Where does Solar Optimum Design Electrical install solar?
Recorded installations span 2 states: California (11,830, 99%) and Arizona (176, 1%). The cities with the most of its installations are San Jose, CA (639), San Diego, CA (593), Irvine, CA (178), Fremont, CA (162) and Long Beach, CA (136).
Frequently asked questions
How many solar installations has Solar Optimum Design Electrical completed?
PanelCensus records 12,006 installations by Solar Optimum Design Electrical, from Apr 1, 2005 to Aug 31, 2026, totalling 141.8 MW of capacity. Public reporting varies by state, so the company's true total may be higher.
What does Solar Optimum Design Electrical charge for solar?
For solar-only systems installed in 2025, the median reported price is $2.50/W before incentives, across 144 priced systems. The California median on the same basis is $3.29/W. Across all 11,059 priced systems since 2005, including battery systems, the median is $2.93/W. Prices are the total project cost reported to state incentive programs, divided by the system's DC watts, so they can include electrical upgrades or other work billed with the solar.
Where does Solar Optimum Design Electrical install solar?
Recorded installs span 2 states, led by California (11,830) and Arizona (176). Its busiest city is San Jose, CA.
Is Solar Optimum Design Electrical still installing solar?
The most recent installation attributed to Solar Optimum Design Electrical in the public records is dated Aug 31, 2026; 2025 has 1,017 recorded installations. 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 Solar Optimum Design Electrical install leased or PPA solar systems?
272 recorded installations by Solar Optimum Design Electrical (2%) are third-party owned — a lease or power-purchase agreement; across California the share is 29%.
Does Solar Optimum Design Electrical install battery storage?
3,954 recorded installations by Solar Optimum Design Electrical (33%) include a battery.
Related installers and places
- All solar installers in California· 6,163 profiles
- Solar installations in California· 2,408,542 records
- Better Earth· 14,640 installations
- Solcius· 13,765 installations
- Rgs Energy· 12,973 installations
- Solarmax· 11,775 installations
- Stellar Solar· 11,121 installations
- Sunstreet Energy Group· 10,270 installations
- Solar in Arizona· 176 by Solar Optimum Design Electrical
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, “Solar Optimum Design Electrical, solar installer (California)”, https://panelcensus.com/installers/california/solar-optimum-design-electrical-11431 (data as of September 21, 2026).