Utility / operator
Southern Power Co
11 recorded solar installations interconnected by Southern Power Co — mostly in California.
Dataset updated . Sources: LBNL Tracking the Sun + permits + state programs + USGS/EIA utility-scale.
Installations interconnected
11
Total capacity
382.0 MW
DC nameplate
States
3
Median size
42,400 kW
Median $/W
—
pre-incentive
Third-party owned
0%
lease / PPA
Growth
Installations by year
2014
2
2015
1
2016
5
2024
1
2026
2
Latest records
Most recent recorded installs
| Date | Location | Size | $/W | Segment |
|---|---|---|---|---|
| Jun 1, 2026 | TX | 180,000 kW | — | UTILITY |
| Jan 1, 2026 | TX | 200,000 kW | — | UTILITY |
| Jan 1, 2024 | South Greeley, WY | 150,000 kW | — | UTILITY |
| Jul 1, 2016 | Nipton, CA | 42,400 kW | — | UTILITY |
| Jun 1, 2016 | Nipton, CA | 42,400 kW | — | UTILITY |
| Apr 1, 2016 | Nipton, CA | 42,400 kW | — | UTILITY |
| Feb 1, 2016 | Nipton, CA | 42,400 kW | — | UTILITY |
| Jan 1, 2016 | Nipton, CA | 42,400 kW | — | UTILITY |
| Dec 1, 2015 | Nipton, CA | 40,600 kW | — | UTILITY |
| Nov 1, 2014 | Calipatria, CA | 64,700 kW | — | UTILITY |
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Service geography
Frequently asked questions
How many solar installations has Southern Power Co interconnected?
PanelCensus records 11 installations interconnected by Southern Power Co, from Nov 1, 2014 to Jun 1, 2026, totalling 382.0 MW of capacity across 3 states. Coverage varies by state, so actual totals may be higher.
Where does Southern Power Co operate?
Most recorded activity is in California (8), Texas (2), Wyoming (1).