Where Cosmic Solar Ranks
Position among installers of home solar in each city, by installations in the most recent three years of records, and how Cosmic Solar compares with the local market there.
Its strongest market is Vista, where it accounts for 2% of the home systems with a known installer.
| City | Rank | Installations | Local share | Price vs. local median | Leased (city average) |
|---|---|---|---|---|---|
| Vista, California | #8 | 61 | 2% | 11% lower | 0% (36%) |
What Cosmic Solar Installs
- Typical system size
- 7.2 kW
- Leased or on a PPA
- 1%
- Installed with a battery
- 21%
Mostly sells systems the homeowner owns, paid in cash or with a loan.
Panel brands
- Hanwha Q CELLS (56%)
- SunPower (12%)
- Mission Solar Energy (12%)
Inverter brands
- Enphase Energy (65%)
- Tesla (24%)
- SunPower (8%)
Cosmic Solar Prices Compared With the State
Median price per watt of systems the homeowner bought outright, before incentives.
| State | Cosmic Solar | State median | Difference |
|---|---|---|---|
| California (2023–2025) | $3.87/W | $4.25/W | 9% lower |
Home Installations per Year
Records for the most recent year can be incomplete while utilities finish reporting.
Where Cosmic Solar Installs Most
| City | Installations (2023–2025) |
|---|---|
| San Diego, CA | 127 |
| Valley Center, CA | 78 |
| Escondido, CA | 62 |
| Vista, CA | 61 |
| Carlsbad, CA | 43 |
| Oceanside, CA | 37 |
| San Marcos, CA | 27 |
| Fallbrook, CA | 22 |
| Encinitas, CA | 21 |
| La Jolla, CA | 18 |
| Coronado, CA | 11 |
| Bonsall, CA | 10 |
| Pauma Valley, CA | 10 |
| Del Mar, CA | 9 |
| La Mesa, CA | 9 |
Specialist Rankings
Where Cosmic Solar ranks among the companies that install the most systems with a battery or with a given inverter brand.
- Enphase Installers in Escondido, CA: #6 (43 systems)
- Solar Battery Installers in Carlsbad, CA: #8 (11 systems)
- Enphase Installers in Oceanside, CA: #10 (28 systems)
Other Top Installers in Vista
The companies ranked next to Cosmic Solar in Vista, by home installations in 2023–2025.
| Company | Installations | Median price | Leased / PPA |
|---|---|---|---|
| Sunrun | 681 | $4.75/W | 92% |
| Baker Electric Solar | 195 | $4.96/W | 4% |
| Semper Solaris | 114 | $4.56/W | 0% |
| Freedom Solar Power | 100 | $5.45/W | 74% |
| Bright Planet Solar | 97 | — | 86% |
| Aloha Solar | 73 | $3.75/W | 0% |
Cosmic Solar: Common Questions
Is Cosmic Solar still in business?
Cosmic Solar was still installing home solar in 2025, the latest year in the public records we use, and it is not on our list of installers that closed or went bankrupt. Records lag a year or two, so confirm before you sign: its California license (CSLB #831831) shows whether it is active, and recent Google reviews show whether it is still answering customers.
Does Cosmic Solar lease solar panels or sell them?
1% of its home systems in 2023–2025 were leased or on a power purchase agreement, and 99% were bought by the homeowner. Mostly sells systems the homeowner owns, paid in cash or with a loan.
What solar panels and inverters does Cosmic Solar install?
Panels: Hanwha Q CELLS (56%), SunPower (12%) and Mission Solar Energy (12%). Inverters: Enphase Energy (65%), Tesla (24%) and SunPower (8%). Shares of its home systems in 2023–2025 with a known brand.
How much does Cosmic Solar charge for solar?
In California (2023–2025), homeowners who bought a system from Cosmic Solar paid a median of $3.87/W before incentives — 9% lower than the state median of $4.25/W. For its typical 7.2 kW system, that is about $27,500. By city: 11% lower than the Vista median.
Does Cosmic Solar install solar batteries?
21% of its home systems in 2023–2025 included a battery. It ranks among the top battery installers in Carlsbad, CA.
Where does Cosmic Solar install solar?
Most of its recent work is in San Diego (127), Valley Center (78), Escondido (62), Vista (61) and Carlsbad (43). It is ranked in 1 city in California.
Before You Sign With Cosmic Solar
- California license: CSLB #831831 (B, C-10, C-39, C-46), issued 02/04/2004, registered to COSMIC SOLAR INC in Vista. It appears in the state's list of active licenses. Check its current status on the CSLB site.
- Reviews and contact details: call (760) 749-1111 (the number on its license) or see Cosmic Solar on Google Maps, where recent reviews tell you more than any ranking.
- Quotes: get at least three, and compare price per watt, equipment brands and the workmanship warranty — not just the monthly payment.
Compare Cosmic Solar with other installers
The Vista ranking puts Cosmic Solar next to the other companies that install the most there, with each one's price and leasing share.
Top solar installers in Vista →Where These Numbers Come From
Source: Tracking the Sun, Lawrence Berkeley National Laboratory (2026 edition), licensed CC BY 4.0. In New York and New Jersey, recent years come from the state programs' own records (NYSERDA and New Jersey's Clean Energy Program). Company names were standardized and closures checked against news reports by Solar Power Fix. More about our methodology.