Alerts Sign in
Show on map
Sun Streams 4 — Power plant · Solar · Sun Streams Expansion, LLCRed Hawk — Under construction · Gas, combustion turbine · AZ · 392 MW · 4.0 mi awayAgave — Under construction · Storage · AZ · 150 MW · 4.3 mi awayBuckeye Generation Center, LLC — Postponed · Gas, combustion turbine · AZ · 652.2 MW · 12.7 mi away
  • Combustion
  • Wind & solar
  • Storage
  • Under construction
  • Operating
  • 10 · 100 · 1,000 MW

Sun Streams 4

Power plant · Solar

Key facts

Power plant · Solar Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
2025
Grid
525 kV to Salt River Project (AZPS)
Location
Maricopa County, Arizona
Operated by
Sun Streams Expansion, LLCSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Output

Net generation MWh by year, 2025 to 2026

Operations detail

Details

Who’s behind it

No companies named in filings yet.

Interested in this project?

Set an alert Book a call Join the beta

Our team gets you what you need.

Beta: private project space · data room · readiness check

Technology
Solar source: “Solar Photovoltaic”
Age
1 year since 2025
All 6 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
AttributeValue
Gem
Unit ids
G100000805921
Location id
L100000805141
Eia plant ids
67291
Grid
Nerc region
WECC
Report year
2025
Grid voltage kv
525
Transmission owner
Salt River Project
Balancing authority code
AZPS
Balancing authority name
Arizona Public Service Company
Fuel burned (MMBtu), 20252,354,842
Capacity factor, 20250.123
Net generation (MWh), 2025647,185
Balancing authority codeAZPS

Solar arrays

Array area (acres)
1,203.1
AC capacity (MW)
300
DC capacity (MW)
300
Site type
Greenfield
Began operating
2025

Source USPVDB

Source

  • USPVDBOpen license · retrieved Oct 25, 2026Map services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb

Attribution

Timeline

  • In service · EIA-860M

Sources

5 sources

Sources EIA-860M · GEM · USPVDB · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory

Sources

  • EIA-860MOpen license · retrieved Nov 4, 2026
  • GEMOpen license, with credit · retrieved Oct 26, 2026Global Integrated Power Tracker, Global Energy Monitor, September 2026 release (https://globalenergymonitor.org/projects/global-integrated-power-tracker), CC BY 4.0. Modified by Inframation: TransitionZero-sourced rows removed; statuses and technologies mapped to Inframation's vocabulary; figures aggregated. Copyright © Global Energy Monitor. Global Integrated Power Tracker, September 2026 release. Distributed under a Creative Commons Attribution 4.0 International License.
  • USPVDBOpen license · retrieved Oct 25, 2026Map services and data are available from Large-Scale Solar Photovoltaic Database, provided by the U.S. Geological Survey and Lawrence Berkeley National Laboratory via https://energy.usgs.gov/uspvdb
  • EIAOpen license · retrieved Nov 1, 2026Source: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
  • EIA-860M Preliminary Monthly Electric Generator Inventory

Every source and license · Attribution

View at source

Around this plant

Nearby

within 15 mi
ProjectKindAwayMW
Red Hawk Under construction Gas, combustion turbine 4.0 mi 392
Agave Under construction Storage 4.3 mi 150
Buckeye Generation Center, LLC Postponed Gas, combustion turbine 12.7 mi 652.2

Sources EIA-860M

Sources

  • EIA-860MOpen license · retrieved Nov 4, 2026

Attribution