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Arizona Public Service (APS)

Headquarters
AZ, United States
Specialty
Solar + Storage (67%)
Parent
Arizona Public Service Co
Size band
Mega (10 GW+)

Interconnection footprint

as of 2026-03-20
20.4 GW
Total capacity
27
Projects
4 · 2.4 GW
Active
3 · 98 MW
Operational
20
Withdrawn
754 MW
Avg project size
2
States
2011
First queued
Technology mix (by capacity)
Solar4 · 1.6 GW · 8%
Wind1 · 200 MW · 1%
Storage5 · 2.8 GW · 14%
Solar + Storage12 · 13.6 GW · 67%
Gas1 · 43 MW · 0%
Hydro1 · 600 MW · 3%
Other3 · 1.5 GW · 7%
Markets
West 17CAISO 9SPP 1
Where the projects are
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2 states
Largest project
ARIZONA A1
2.1 GW · Solar + Storage · AZ · CAISO · Withdrawn
Sources
  • · ISO interconnection queues
  • · Resolved website

Written profiles are hand-entered and not independently verified. Queue figures are computed from ISO interconnection data and reflect requested capacity, not built capacity.

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