What is the latest status of the project “Sierra Estrella Energy Storage”?

The status recorded for “Sierra Estrella Energy Storage” is Completed.

Who are the main government, EPC, and private stakeholders for “Sierra Estrella Energy Storage”?

Taiyo maps the stakeholders of “Sierra Estrella Energy Storage”: government bodies (Salt River Project (SRP)).

Where can I verify the source and access all details for “Sierra Estrella Energy Storage”?

This Taiyo project page references Power Engineering along with the original URL (https://www.power-eng.com/energy-storage/batteries/two-new-battery-storage-projects-coming-online-in-arizona/). Taiyo standardizes official data into a consistent, searchable project profile.

Sierra Estrella Energy Storage

Sector: Power Generation (CCGT) • Location: Avondale, Arizona, United States

Source: Power Engineering

Project

Completed

The Sierra Estrella Energy Storage facility is a 250 MW battery storage project located in Avondale, Arizona. It is the largest grid-tied battery for Salt River Project and the state's largest standalone battery.

Status: Closed
Sector: Power Generation (CCGT), Energy Storage, Government
Location: Avondale, Arizona, United States of America
Updated: 22 Jul 2026
Source: Power Engineering

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Project Information

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The project “Sierra Estrella Energy Storage” is an infrastructure initiative in the Power Generation (CCGT) sector, located in Avondale, Arizona, United States. Taiyo aggregates data on it from Power Engineering.

Participants

Sponsoring Agency

Status

Original status	Completed
Taiyo status	Closed
Taiyo last update	2026-07-22

Contact

Not available for this record.

Description

Description	The Sierra Estrella Energy Storage facility is a 250 MW battery storage project located in Avondale, Arizona. It is the largest grid-tied battery for Salt River Project and the state's largest standalone battery.
Original sector	Energy

Location

Country	United States of America (USA)
State	Arizona
City	Avondale

Source

Source	Power Engineering
URL

More Details

Record type	Project
Sector	Power Generation (CCGT), Energy Storage, Government
Article published date	2025-03-20

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