Solar developer
ERNEST ONGARO & SONS INC
16 recorded solar installations developed by ERNEST ONGARO & SONS INC — mostly in California.
Dataset updated . Sources: LBNL Tracking the Sun + permits + state programs + USGS/EIA utility-scale.
Installations developed
16
Total capacity
122 kW
DC nameplate
States
1
Median size
7 kW
Median $/W
$2.04/W
pre-incentive
Third-party owned
0%
lease / PPA
Growth
Installations by year
2022
2
2023
1
2024
5
2025
8
Latest records
Most recent recorded installs
| Date | Location | Size | $/W | Segment |
|---|---|---|---|---|
| Dec 5, 2025 | Kentfield, CA | 2 kW | $1.70/W | COM |
| Oct 31, 2025 | Point Reyes Station, CA | 8.4 kW | $3.11/W | COM |
| Oct 1, 2025 | Dillon Beach, CA | 17 kW | $1.99/W | COM |
| Sep 25, 2025 | Greenbrae, CA | 6.6 kW | $3.91/W | COM |
| Sep 9, 2025 | San Rafael, CA | 8.4 kW | $2.07/W | COM |
| Jun 30, 2025 | San Rafael, CA | 6 kW | $4.27/W | COM |
| Jun 30, 2025 | Mill Valley, CA | 6.5 kW | $3.95/W | COM |
| May 14, 2025 | Stinson Beach, CA | 12 kW | $1.99/W | COM |
| Nov 13, 2024 | Kentfield, CA | 13.9 kW | $5.23/W | COM |
| Oct 30, 2024 | Inverness, CA | 13 kW | $1.92/W | COM |
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Service geography
Frequently asked questions
How many solar installations has ERNEST ONGARO & SONS INC developed?
PanelCensus records 16 installations developed by ERNEST ONGARO & SONS INC, from Sep 12, 2022 to Dec 5, 2025, totalling 122 kW of capacity across 1 state. Coverage varies by state, so actual totals may be higher.
Where does ERNEST ONGARO & SONS INC operate?
Most recorded activity is in California (16).