What is the latest status of the project “Energy Dome CO2 Battery Project in Arizona”?

The status recorded for “Energy Dome CO2 Battery Project in Arizona” is awarded.

Where can I verify the source and access all details for “Energy Dome CO2 Battery Project in Arizona”?

This Taiyo project page references IndexBox along with the original URL (https://www.indexbox.io/blog/energy-dome-advances-co2-battery-projects-in-2026-with-google-and-global-partners/). Taiyo standardizes official data into a consistent, searchable project profile.

Energy Dome CO2 Battery Project in Arizona

Sector: Energy Storage • Location: Arizona, USA

Source: IndexBox

Project

Awarded

A 19-megawatt, 10-hour duration CO2 Battery project in Arizona, built with not-for-profit utility Salt River Project (SRP). Google is an investor and part of a commercial partnership, funding a portion of project costs and evaluating operational performance. SRP acts as the offtaker under a 20-year tolling contract won after bidding into a 2024 RFP for non-inverter-based LDES.

Status: Closed
Sector: Energy Storage, Commercial, Power Transmission, Power Generation (CCGT)
Location: Arizona, United States of America
Updated: 22 Jul 2026
Source: IndexBox

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Project Information

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The project “Energy Dome CO2 Battery Project in Arizona” is an infrastructure initiative in the Energy Storage sector, located in Arizona, USA. Taiyo aggregates data on it from IndexBox.

Participants

Not available for this record.

Status

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

Contact

Not available for this record.

Description

Description	A 19-megawatt, 10-hour duration CO2 Battery project in Arizona, built with not-for-profit utility Salt River Project (SRP). Google is an investor and part of a commercial partnership, funding a portion of project costs and evaluating operational performance. SRP acts as the offtaker under a 20-year tolling contract won after bidding into a 2024 RFP for non-inverter-based LDES.
Original sector	Energy Storage

Location

Country	United States of America (USA)
State	Arizona

Source

Source	IndexBox
URL

More Details

Record type	Project
Sector	Energy Storage, Commercial, Power Transmission, Power Generation (CCGT)
Article published date	2026-07-18

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Energy Dome CO2 Battery Project in Arizona

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