Allterra Solar
Santa Cruz, California
Year Founded: 2004
allterrasolar.com
Total Kilowatts Installed Since Founded: 22,257
Number of Employees: 22
Rank: 326
Allterra Solar is the leading residential solar and energy storage contractor on the Central Coast of California.
★ 2026 Top Solar Contractors
#326
Solar kW · 2025
1,299
solar kilowatts installed
Storage kWh · 2025
3,200
storage kilowatt-hours installed
Primary Service
Installer
2025 Solar Installations by State & Territory
| State / Territory | kW Installed 2025 | |
|---|---|---|
| California | 1,299 | View state list → |
Prior
Prior
Lists 2012 – 2025
Lists 2012 – 2025
2025
1,772
2024 Installation Data
View 2024 Installation Data by State
| California | 1,772 |
2024
2,336
2023 Installation Data
View 2023 Installation Data by State
| California | 2,336 |
2023
2,070
2022 Installation Data
View 2022 Installation Data by State
| California | 2,070 |
2022
1,695
2021 Installation Data
View 2021 Installation Data by State
| California | 1,695 |
2021
1,841
2020 Installation Data
View 2020 Installation Data by State
| California | 1,841 |
2020
2,035
2019 Installation Data
View 2019 Installation Data by State
| California | 2,035 |
2019
1
2018 Installation Data
View 2018 Installation Data by State
| California | 1,684 |
2018
1
2017 Installation Data
2017
1
2016 Installation Data