Query
Sun Streams 4
Type
Entity Briefing
Entity
Sun Streams 4
Generated
2026-10-10T13:40:23.104Z

Briefing on Sun Streams 4

Entity Briefing
Generated Oct 10, 2026·Dataset freshness not reported
600 MW
Capacity
Operating
Current status
2025
Operating since
2
Generators
14.7%
Capacity factor
647 GWh
Annual generation
Briefing/plantOperating

Sun Streams 4 is a 600 MW Batteries asset in Arizona, currently Operating.

Sun Streams 4 is reported in Arizona since 2025 under Sun Streams Expansion, LLC. Available operating and financial measures include 14.7% capacity factor and 647 GWh annual generation.

Location
Maricopa, Arizona
Technology
Batteries, Solar Photovoltaic
Owner / parent
Sun Streams Expansion, LLC
Operator
Sun Streams Expansion, LLC
Grid
Arizona Public Service Company
Plant ID
67291

What stands out

1

Sun Streams 4 is a 600 MW Batteries asset in Arizona with status Operating.

2

Latest annual operating measures report 14.7% capacity factor and 647 GWh annual generation.

3

Latest linked story: “Sun Streams 4 Solar plus storage is powering 12000 homes in Arizona” (constructionreviewonline.com, 2025-09-16).

Market and operating context

Balancing authority
Arizona Public Service Company
NERC region
WECC
State rank
#12 of 61
National rank
#38 of 994

Why it matters

For this asset, operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.