PanelCensus

Utility / operator

WAPA-- WESTERN AREA POWER ADMINISTRATION

3,356 recorded solar installations interconnected by WAPA-- WESTERN AREA POWER ADMINISTRATION — mostly in Arizona.

Dataset updated . Sources: LBNL Tracking the Sun + permits + state programs + USGS/EIA utility-scale.

Installations interconnected
3,356
Total capacity
1.2 GW
DC nameplate
States
9
Median size
8.3 kW
Median $/W
$2.09/W
pre-incentive
Third-party owned
0%
lease / PPA

Growth

Installations by year

2009
6
2010
33
2011
44
2012
60
2013
105
2014
214
2015
260
2017
80
2018
108
2019
25
2020
29
2021
44
2022
249
2023
215
2024
415
2025
1,126
2026
137

Latest records

Most recent recorded installs

DateLocationSize$/WSegment
Feb 12, 2026Tucson, AZ——COM · 🔋
Feb 12, 2026Tucson, AZ4.9 kW—COM · 🔋
Feb 12, 2026Tucson, AZ2.6 kW—COM
Feb 12, 2026Tucson, AZ11.5 kW—COM · 🔋
Feb 11, 2026Tucson, AZ1.2 kW—COM · 🔋
Feb 11, 2026Tucson, AZ7.4 kW—COM · 🔋
Feb 11, 2026Tucson, AZ6.2 kW—COM · 🔋
Feb 11, 2026Tucson, AZ——COM · 🔋
Feb 10, 2026Tucson, AZ4.5 kW—COM · 🔋
Feb 10, 2026Tucson, AZ27 kW—COM · 🔋

See all 3,356 installations →searchable & filterable; export to CSV with a free account

Frequently asked questions

How many solar installations has WAPA-- WESTERN AREA POWER ADMINISTRATION interconnected?

PanelCensus records 3,356 installations interconnected by WAPA-- WESTERN AREA POWER ADMINISTRATION, from Jun 22, 2009 to Feb 12, 2026, totalling 1.2 GW of capacity across 9 states. Coverage varies by state, so actual totals may be higher.

Where does WAPA-- WESTERN AREA POWER ADMINISTRATION operate?

Most recorded activity is in Arizona (2,324), Utah (724), California (256).