Solar developer
Owner Builder
368 recorded solar installations developed by Owner Builder — mostly in California.
Dataset updated . Sources: LBNL Tracking the Sun + permits + state programs + USGS/EIA utility-scale.
Installations developed
368
Total capacity
17.8 MW
DC nameplate
States
1
Median size
35 kW
Median $/W
$2.00/W
pre-incentive
Third-party owned
0%
lease / PPA
Growth
Installations by year
2021
1
2022
27
2023
120
2024
60
2025
115
2026
1
Latest records
Most recent recorded installs
| Date | Location | Size | $/W | Segment |
|---|---|---|---|---|
| Jan 5, 2026 | Sacramento, CA | 88 kW | $2.00/W | COM |
| Dec 29, 2025 | Wilton, CA | 6.5 kW | $2.33/W | COM |
| Dec 3, 2025 | North Highlands, CA | 114 kW | $1.99/W | COM |
| Dec 2, 2025 | Rio Linda, CA | 4 kW | $1.94/W | COM |
| Sep 29, 2025 | Sacramento, CA | 35 kW | $2.03/W | COM |
| Aug 19, 2025 | Fair Oaks, CA | 9 kW | $2.06/W | COM |
| Aug 15, 2025 | Carmichael, CA | 38 kW | $2.00/W | COM · 🔋 |
| Jul 31, 2025 | Sacramento, CA | 3 kW | $2.17/W | COM · 🔋 |
| Jul 23, 2025 | Wilton, CA | 38 kW | $1.99/W | COM |
| Jun 25, 2025 | Sacramento, CA | 125 kW | $2.00/W | COM |
See all 368 installations →searchable & filterable; export to CSV with a free account
Service geography
- California
- 368
Frequently asked questions
How many solar installations has Owner Builder developed?
PanelCensus records 368 installations developed by Owner Builder, from Oct 18, 2021 to Jan 5, 2026, totalling 17.8 MW of capacity across 1 state. Coverage varies by state, so actual totals may be higher.
Where does Owner Builder operate?
Most recorded activity is in California (368).