El Cajon, California
Year Founded: 2012
sempersolaris.com
Total Kilowatts Installed Since Founded: 250,778
Number of Employees: 253
Semper Solaris is an award-winning, local, and veteran-owned Solar, Battery Storage, Windows, Roofing, and Heating & Air Conditioning company. Here at Semper Solaris, we endeavor to provide the best in-home upgrades to help our customers claim their energy independence from the power companies. The name Semper Solaris was inspired by the Marine Corps Motto, “Semper Fidelis”, meaning “Always Faithful”. Co-Owner and former Marine Corps Captain, Kelly Shawhan, and Co-Owner, John Almond, have taken the Marine Corps value of honor, courage, and commitment and applied them to every aspect of Semper Solaris.
2025 Solar Installations by State & Territory
| State / Territory | kW Installed 2025 | |
|---|---|---|
| California | 12,629 | View state list → |
| Arizona | 184 | View state list → |
| Texas | 9 | View state list → |
Lists 2012 – 2025
View 2024 Installation Data by State
| California | 11,272 |
| Arizona | 279 |
| Florida | 155 |
| Texas | 102 |
| Illinois | 7 |
View 2023 Installation Data by State
| California | 28,570 |
| Florida | 652 |
| Arizona | 580 |
| Texas | 169 |
View 2022 Installation Data by State
| California | 32,586 |
| Florida | 99 |
| Texas | 72 |
View 2021 Installation Data by State
| California | 23,301 |
View 2020 Installation Data by State
| California | 17,820 |
View 2018 Installation Data by State
| California | 20,232 |