CapStone Solar
Kent, Washington
Year Founded: 2012
capstonesolar.com
Total Kilowatts Installed Since Founded: 19,687
Number of Employees: 15
Rank: 364
2026 update: CapStone Solar is no longer in business.
★ 2026 Top Solar Contractors
#364
Solar kW · 2025
566
solar kilowatts installed
Storage kWh · 2025
157
storage kilowatt-hours installed
Primary Service
Installer
2025 Solar Installations by State & Territory
| State / Territory | kW Installed 2025 | |
|---|---|---|
| Washington | 566 | View state list → |
Prior
Prior
Lists 2012 – 2025
Lists 2012 – 2025
2025
1,850
2024 Installation Data
View 2024 Installation Data by State
| Oregon | 1,500 |
| Washington | 350 |
2024
2,104
2023 Installation Data
View 2023 Installation Data by State
| Washington | 2,104 |
2023
2,818
2022 Installation Data
View 2022 Installation Data by State
| Washington | 2,818 |
2022
2,844
2021 Installation Data
View 2021 Installation Data by State
| Washington | 2,844 |
2021
35,565
2020 Installation Data
View 2020 Installation Data by State
| Oregon | 33,780 |
| Washington | 1,785 |