Utility / operator
Tucson Electric Power Co
139 recorded solar installations interconnected by Tucson Electric Power Co — mostly in Arizona.
Dataset updated . Sources: LBNL Tracking the Sun + permits + state programs + USGS/EIA utility-scale.
Installations interconnected
139
Total capacity
247.5 MW
DC nameplate
States
1
Median size
1,100 kW
Median $/W
$2.50/W
pre-incentive
Third-party owned
0%
lease / PPA
Growth
Installations by year
2001
1
2010
3
2011
2
2012
4
2013
2
2014
3
2016
2
2017
3
2019
3
2021
1
2022
17
2023
21
2024
15
2025
37
2026
5
Latest records
Most recent recorded installs
| Date | Location | Size | $/W | Segment |
|---|---|---|---|---|
| Feb 3, 2026 | Tucson, AZ | — | — | COM · 🔋 |
| Jan 22, 2026 | Tucson, AZ | — | — | COM |
| Jan 21, 2026 | Tucson, AZ | — | — | COM |
| Jan 21, 2026 | Tucson, AZ | — | — | COM |
| Jan 9, 2026 | Tucson, AZ | 64 kW | $2.00/W | COM |
| Dec 26, 2025 | Tucson, AZ | — | — | COM · 🔋 |
| Dec 15, 2025 | Tucson, AZ | — | — | COM |
| Dec 5, 2025 | Tucson, AZ | — | — | COM |
| Nov 14, 2025 | Tucson, AZ | 4 kW | $1.90/W | COM · 🔋 |
| Nov 10, 2025 | Tucson, AZ | — | — | COM |
See all 139 installations →searchable & filterable; export to CSV with a free account
Service geography
- Arizona
- 139
Frequently asked questions
How many solar installations has Tucson Electric Power Co interconnected?
PanelCensus records 139 installations interconnected by Tucson Electric Power Co, from May 1, 2001 to Feb 3, 2026, totalling 247.5 MW of capacity across 1 state. Coverage varies by state, so actual totals may be higher.
Where does Tucson Electric Power Co operate?
Most recorded activity is in Arizona (139).