Where Semper Solaris Ranks
Position among installers of home solar in each city, by installations in the most recent three years of records, and how Semper Solaris compares with the local market there.
Its strongest market is Chula Vista, where it accounts for 6% of the home systems with a known installer.
| City | Rank | Installations | Local share | Price vs. local median | Leased (city average) |
|---|---|---|---|---|---|
| Oceanside, California | #2 | 202 | 5% | 5% higher | 3% (32%) |
| San Diego, California | #3 | 1,328 | 5% | 9% higher | 2% (26%) |
| Chula Vista, California | #3 | 384 | 6% | 7% higher | 2% (42%) |
| Vista, California | #3 | 114 | 5% | 7% higher | 0% (36%) |
| National City, California | #3 | 26 | 5% | 2% higher | 0% (54%) |
| Escondido, California | #4 | 174 | 4% | 11% higher | 1% (29%) |
| San Marcos, California | #4 | 76 | 3% | 7% higher | 2% (22%) |
| Oakland, California | #5 | 118 | 3% | 9% higher | 3% (17%) |
| Carlsbad, California | #5 | 117 | 4% | 8% higher | 0% (16%) |
| Hayward, California | #6 | 57 | 3% | 11% higher | 12% (30%) |
| Richmond, California | #6 | 32 | 2% | 20% higher | 6% (33%) |
| Torrance, California | #6 | 26 | 2% | 34% higher | 4% (29%) |
| San Jose, California | #7 | 271 | 2% | 18% higher | 3% (23%) |
| Concord, California | #7 | 46 | 2% | 3% higher | 4% (34%) |
| Vallejo, California | #7 | 43 | 3% | about the same | 16% (50%) |
| Salinas, California | #7 | 31 | 2% | about the same | 7% (40%) |
| San Mateo, California | #7 | 31 | 3% | about the same | 0% (17%) |
| Murrieta, California | #8 | 60 | 2% | 18% higher | 12% (47%) |
| Sunnyvale, California | #8 | 38 | 2% | 9% higher | 0% (15%) |
| Antioch, California | #9 | 39 | 1% | 31% higher | 21% (42%) |
| San Rafael, California | #9 | 32 | 3% | 26% higher | 3% (17%) |
| Fremont, California | #10 | 67 | 2% | 38% higher | 6% (19%) |
| Berkeley, California | #10 | 34 | 2% | about the same | 0% (6%) |
| Huntington Beach, California | #10 | 27 | 1% | 34% higher | 0% (29%) |
| Thousand Oaks, California | #10 | 25 | 2% | 16% higher | 4% (27%) |
What Semper Solaris Installs
- Typical system size
- 6.2 kW
- Leased or on a PPA
- 4%
- Installed with a battery
- 44%
Mostly sells systems the homeowner owns, paid in cash or with a loan.
Panel brands
- Silfab Solar (37%)
- Hanwha Q CELLS (29%)
- CSI Solar (17%)
Inverter brands
- Enphase Energy (72%)
- Tesla (18%)
- SolarEdge (4%)
Semper Solaris Prices Compared With the State
Median price per watt of systems the homeowner bought outright, before incentives.
| State | Semper Solaris | State median | Difference |
|---|---|---|---|
| California (2023–2025) | $4.84/W | $4.25/W | 14% higher |
Home Installations per Year
Records for the most recent year can be incomplete while utilities finish reporting.
Where Semper Solaris Installs Most
| City | Installations (2023–2025) |
|---|---|
| San Diego, CA | 1,328 |
| Chula Vista, CA | 384 |
| San Jose, CA | 271 |
| El Cajon, CA | 225 |
| Oceanside, CA | 202 |
| Escondido, CA | 174 |
| La Mesa, CA | 140 |
| Ramona, CA | 124 |
| Oakland, CA | 118 |
| Carlsbad, CA | 117 |
| Vista, CA | 114 |
| Fallbrook, CA | 104 |
| Santee, CA | 104 |
| Lakeside, CA | 89 |
| Spring Valley, CA | 87 |
Specialist Rankings
Where Semper Solaris ranks among the companies that install the most systems with a battery or with a given inverter brand.
- Enphase Installers in Chula Vista, CA: #1 (252 systems)
- Enphase Installers in Oakland, CA: #1 (67 systems)
- Enphase Installers in San Diego, CA: #2 (836 systems)
- Enphase Installers in Oceanside, CA: #2 (143 systems)
- Enphase Installers in Escondido, CA: #2 (100 systems)
- Enphase Installers in San Jose, CA: #3 (159 systems)
- Enphase Installers in Murrieta, CA: #3 (53 systems)
- Solar Battery Installers in Chula Vista, CA: #4 (76 systems)
- Solar Battery Installers in Oakland, CA: #4 (71 systems)
- Solar Battery Installers in Hayward, CA: #4 (27 systems)
- Solar Battery Installers in Torrance, CA: #4 (15 systems)
- Solar Battery Installers in San Diego, CA: #5 (313 systems)
Other Top Installers in Oceanside
The companies ranked next to Semper Solaris in Oceanside, by home installations in 2023–2025.
| Company | Installations | Median price | Leased / PPA |
|---|---|---|---|
| Sunrun | 1,018 | $4.54/W | 89% |
| Baker Electric Solar | 187 | $5.13/W | 2% |
| Bright Planet Solar | 172 | $6.57/W | 90% |
| Stellar Solar | 152 | $4.33/W | 0% |
| Freedom Solar Power | 141 | $5.24/W | 72% |
| Tesla | 105 | $4.40/W | 2% |
Semper Solaris: Common Questions
Is Semper Solaris still in business?
Semper Solaris 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 #978152) shows whether it is active, and recent Google reviews show whether it is still answering customers.
Does Semper Solaris lease solar panels or sell them?
4% of its home systems in 2023–2025 were leased or on a power purchase agreement, and 96% were bought by the homeowner. Mostly sells systems the homeowner owns, paid in cash or with a loan.
What solar panels and inverters does Semper Solaris install?
Panels: Silfab Solar (37%), Hanwha Q CELLS (29%) and CSI Solar (17%). Inverters: Enphase Energy (72%), Tesla (18%) and SolarEdge (4%). Shares of its home systems in 2023–2025 with a known brand.
How much does Semper Solaris charge for solar?
In California (2023–2025), homeowners who bought a system from Semper Solaris paid a median of $4.84/W before incentives — 14% higher than the state median of $4.25/W. For its typical 6.2 kW system, that is about $30,000. By city: 5% higher than the Oceanside median; 9% higher than the San Diego median; 7% higher than the Chula Vista median.
Does Semper Solaris install solar batteries?
44% of its home systems in 2023–2025 included a battery. It ranks among the top battery installers in Chula Vista, CA, Oakland, CA, Hayward, CA.
Where does Semper Solaris install solar?
Most of its recent work is in San Diego (1,328), Chula Vista (384), San Jose (271), El Cajon (225) and Oceanside (202). It is ranked in 25 cities in California.
Before You Sign With Semper Solaris
- California license: CSLB #978152 (B, C-10, C-20, C-39, C-46), issued 10/26/2012, registered to SEMPER SOLARIS in El Cajon. It appears in the state's list of active licenses. Check its current status on the CSLB site.
- Reviews and contact details: call (619) 715-4054 (the number on its license) or see Semper Solaris 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 Semper Solaris with other installers
The Oceanside ranking puts Semper Solaris next to the other companies that install the most there, with each one's price and leasing share.
Top solar installers in Oceanside →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.