Utility / operator
Perpetual Energy Systems
37 recorded solar installations interconnected by Perpetual Energy Systems — mostly in California.
Dataset updated . Sources: LBNL Tracking the Sun + permits + state programs + USGS/EIA utility-scale.
Installations interconnected
37
Total capacity
6.5 MW
DC nameplate
States
1
Median size
97.9 kW
Median $/W
$3.53/W
pre-incentive
Third-party owned
0%
lease / PPA
Growth
Installations by year
2004
1
2006
4
2007
3
2009
2
2010
1
2011
2
2013
2
2014
1
2016
4
2018
1
2020
1
2021
2
2024
8
2025
5
Latest records
Most recent recorded installs
| Date | Location | Size | $/W | Segment |
|---|---|---|---|---|
| Nov 13, 2025 | Saint Helena, CA | 40.9 kW | — | COM |
| Nov 13, 2025 | Saint Helena, CA | 41.3 kW | — | COM |
| Nov 13, 2025 | Saint Helena, CA | 40.2 kW | — | COM |
| Apr 4, 2025 | Saint Helena, CA | 114.6 kW | $3.53/W | COM |
| Feb 19, 2025 | Saint Helena, CA | 149.2 kW | $3.53/W | COM |
| Oct 30, 2024 | Saint Helena, CA | 106.7 kW | $3.43/W | COM |
| Jun 10, 2024 | Saint Helena, CA | 28.6 kW | $5.22/W | COM |
| Apr 26, 2024 | Saint Helena, CA | 25.4 kW | $17.64/W | COM |
| Mar 28, 2024 | Saint Helena, CA | 111.7 kW | $3.46/W | COM |
| Feb 15, 2024 | Saint Helena, CA | 161.3 kW | $4.08/W | COM |
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Service geography
Frequently asked questions
How many solar installations has Perpetual Energy Systems interconnected?
PanelCensus records 37 installations interconnected by Perpetual Energy Systems, from Dec 31, 2004 to Nov 13, 2025, totalling 6.5 MW of capacity across 1 state. Coverage varies by state, so actual totals may be higher.
Where does Perpetual Energy Systems operate?
Most recorded activity is in California (37).