H2Prism
Hydrogen calculators & data

ADVANCED CLEAN ENERGY STORAGE

Overview

Sources
Name · ADVANCED CLEAN ENERGY STORAGE

Current value: Value: ADVANCED CLEAN ENERGY STORAGE

ADVANCED CLEAN ENERGY STORAGE

ADVANCED CLEAN ENERGY STORAGE

ADVANCED CLEAN ENERGY STORAGE

Last confirmed: 2026-08-30T16:48:54+00:00

As of: 2022-05-19

Capacity · ADVANCED CLEAN ENERGY STORAGE

Current value: Value: 220

ADVANCED CLEAN ENERGY STORAGE

ADVANCED CLEAN ENERGY STORAGE

ADVANCED CLEAN ENERGY STORAGE

Last confirmed: 2026-08-30T16:48:54+00:00

As of: 2022-05-19

ACES Delta, LLC

Sites | ACES Delta

ACES Delta, LLC

Last confirmed: 2026-08-30T16:48:54+00:00

As of: 2022-05-19

Earlier value: Value: 220

International Energy Agency

iea_hydrogen_projects_raw.csv

International Energy Agency

Original field: Capacity (MWel)

Last confirmed: 2026-09-01T03:10:00+00:00

As of: 2026-06-18

Earlier value: Value: 37.28713043478261

International Energy Agency

iea_hydrogen_projects_raw.csv

International Energy Agency

Original field: Capacity (kt H2/y)

Last confirmed: 2026-09-01T03:10:00+00:00

As of: 2026-06-18

Earlier value: Value: 220 MW

International Energy Agency

iea_hydrogen_projects_raw.csv

International Energy Agency

Original field: Announced Size

Last confirmed: 2026-09-01T03:10:00+00:00

As of: 2026-06-18

Earlier value: Value: 47826.08695652174

International Energy Agency

iea_hydrogen_projects_raw.csv

International Energy Agency

Original field: Capacity (Nm³ H₂/h)

Last confirmed: 2026-09-01T03:10:00+00:00

As of: 2026-06-18

Status · NAES

Current value: Value: Commissioning/start-up evidence reported; whole-project commercial operation not established

NAES

Green Hydrogen as Long-Duration Energy Storage

NAES

Last confirmed: 2026-08-30T16:48:54+00:00

As of: 2026-08-11

HydrogenPro ASA

220 MW project nearing completion, will secure renewable power supply to California

HydrogenPro ASA

Last confirmed: 2026-08-30T16:48:54+00:00

As of: 2026-08-11

Earlier value: Value: Operational

International Energy Agency

iea_hydrogen_projects_raw.csv

International Energy Agency

Original field: Status

Last confirmed: 2026-09-01T03:10:00+00:00

As of: 2026-06-18

Country · ADVANCED CLEAN ENERGY STORAGE

Current value: Value: USA

ADVANCED CLEAN ENERGY STORAGE

ADVANCED CLEAN ENERGY STORAGE

ADVANCED CLEAN ENERGY STORAGE

Last confirmed: 2026-08-30T16:48:54+00:00

ACES Delta, LLC

Sites | ACES Delta

ACES Delta, LLC

Last confirmed: 2026-08-30T16:48:54+00:00

Earlier value: Value: United States

International Energy Agency

iea_hydrogen_projects_raw.csv

International Energy Agency

Original field: Country (ISO-3)

Last confirmed: 2026-09-01T03:10:00+00:00

As of: 2026-06-18

Target operation · Source
Capacity—
Status—
CountryUnited States
Target operation—

Location & names

Sources
Site Name · U.S. Department of Energy

Earlier value: Value: ACES Delta

U.S. Department of Energy

U.S. Department of Energy (https://www.energy.gov/edf/advanced-clean-energy-storage)

U.S. Department of Energy

Last confirmed: 2026-08-18T00:00:00+00:00

ACES Delta, LLC

ACES Delta, LLC (https://aces-delta.com/sites/)

ACES Delta, LLC

Last confirmed: 2026-08-18T00:00:00+00:00

Utah Department of Environmental Quality

Utah Department of Environmental Quality (https://www.utah.gov/pmn/sitemap/noticeprint/738285.html)

Utah Department of Environmental Quality

Last confirmed: 2026-08-18T00:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

Administrative Area · U.S. Department of Energy

Earlier value: Value: US-UT (Utah)

U.S. Department of Energy

U.S. Department of Energy (https://www.energy.gov/edf/advanced-clean-energy-storage)

U.S. Department of Energy

Last confirmed: 2026-08-18T00:00:00+00:00

ACES Delta, LLC

ACES Delta, LLC (https://aces-delta.com/sites/)

ACES Delta, LLC

Last confirmed: 2026-08-18T00:00:00+00:00

Utah Department of Environmental Quality

Utah Department of Environmental Quality (https://www.utah.gov/pmn/sitemap/noticeprint/738285.html)

Utah Department of Environmental Quality

Last confirmed: 2026-08-18T00:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

Earlier value: Value: Delta, Utah

International Energy Agency

iea_hydrogen_projects_raw.csv

International Energy Agency

Original field: Location

Last confirmed: 2026-09-01T03:10:00+00:00

As of: 2026-06-18

Alias · U.S. Department of Energy

Earlier value: Value: source_label; Value: ACES

U.S. Department of Energy

U.S. Department of Energy (https://www.energy.gov/edf/advanced-clean-energy-storage)

U.S. Department of Energy

Last confirmed: 2026-08-18T00:00:00+00:00

ACES Delta, LLC

ACES Delta, LLC (https://aces-delta.com/sites/)

ACES Delta, LLC

Last confirmed: 2026-08-18T00:00:00+00:00

Utah Department of Environmental Quality

Utah Department of Environmental Quality (https://www.utah.gov/pmn/sitemap/noticeprint/738285.html)

Utah Department of Environmental Quality

Last confirmed: 2026-08-18T00:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

Coordinates Precision · International Energy Agency

Earlier value: Value: 39.352178; Value: -112.57717

International Energy Agency

iea_hydrogen_projects_raw.csv

International Energy Agency

Original field: Latitude+Longitude

Last confirmed: 2026-09-01T03:10:00+00:00

As of: 2026-06-18

External Identifier · Source
Lineage Relation · Source
Local Name · Source
Official Name · U.S. Department of Energy

Earlier value: Value: en; Value: Advanced Clean Energy Storage; Value: E-03; Value: en; Value: Advanced Clean Energy Storage I (ACES I); Value: E-08

U.S. Department of Energy

U.S. Department of Energy (https://www.energy.gov/edf/advanced-clean-energy-storage)

U.S. Department of Energy

Last confirmed: 2026-08-18T00:00:00+00:00

ACES Delta, LLC

ACES Delta, LLC (https://aces-delta.com/sites/)

ACES Delta, LLC

Last confirmed: 2026-08-18T00:00:00+00:00

Utah Department of Environmental Quality

Utah Department of Environmental Quality (https://www.utah.gov/pmn/sitemap/noticeprint/738285.html)

Utah Department of Environmental Quality

Last confirmed: 2026-08-18T00:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

Technology & product

Sources
Carbon Reduction · Source
Components · U.S. Department of Energy

Earlier value: Value: electrolyzer; Value: ALK; Original technology: pressurised alkaline electrolyser installations

U.S. Department of Energy

U.S. Department of Energy (https://www.energy.gov/edf/advanced-clean-energy-storage)

U.S. Department of Energy

Last confirmed: 2026-08-18T00:00:00+00:00

ACES Delta, LLC

ACES Delta, LLC (https://aces-delta.com/sites/)

ACES Delta, LLC

Last confirmed: 2026-08-18T00:00:00+00:00

Utah Department of Environmental Quality

Utah Department of Environmental Quality (https://www.utah.gov/pmn/sitemap/noticeprint/738285.html)

Utah Department of Environmental Quality

Last confirmed: 2026-08-18T00:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

Current value: Value: Mitsubishi Power was to provide hydrogen equipment integration including gas separators, rectifiers, medium voltage transformers and a distributed control system, as announced in April 2022.

magnumdev.com

Advanced Clean Energy Storage Project Receives $500 Million Conditional Commitment from U.S. Department of Energy

magnumdev.com

Last confirmed: 2026-10-06T20:28:20.697851+00:00

Configuration Detail · magnumdev.com

Current value: Value: The hub was initially designed to convert renewable energy through electrolysis into green hydrogen, store it in two salt caverns each capable of storing 150 GWh of energy, and supply hydrogen feedstock to the Intermountain Power Agency's IPP Renewed Project, as announced in April 2022.

magnumdev.com

Advanced Clean Energy Storage Project Receives $500 Million Conditional Commitment from U.S. Department of Energy

magnumdev.com

Last confirmed: 2026-10-06T20:28:20.697851+00:00

Feedstock · Source
Final Use · Source
Power Contract Attribute · Source
Power Source · ACES Delta, LLC

Current value: Value: renewable energy

ACES Delta, LLC

Sites | ACES Delta

ACES Delta, LLC

Last confirmed: 2026-08-30T16:48:54+00:00

As of: 2022-05-19

Power Source Detail · Source
Product · ACES Delta, LLC

Current value: Value: green hydrogen

ACES Delta, LLC

Sites | ACES Delta

ACES Delta, LLC

Last confirmed: 2026-08-30T16:48:54+00:00

As of: 2022-05-19

ADVANCED CLEAN ENERGY STORAGE

ADVANCED CLEAN ENERGY STORAGE

ADVANCED CLEAN ENERGY STORAGE

Last confirmed: 2026-08-30T16:48:54+00:00

As of: 2022-05-19

Earlier value: Value: H2

International Energy Agency

iea_hydrogen_projects_raw.csv

International Energy Agency

Original field: Product

Last confirmed: 2026-09-01T03:10:00+00:00

As of: 2026-06-18

Project Group · U.S. Department of Energy

Earlier value: Value: true; Value: E-05; Value: ACES Delta; Value: ACES Phase I; Value: 1

U.S. Department of Energy

U.S. Department of Energy (https://www.energy.gov/edf/advanced-clean-energy-storage)

U.S. Department of Energy

Last confirmed: 2026-08-18T00:00:00+00:00

ACES Delta, LLC

ACES Delta, LLC (https://aces-delta.com/sites/)

ACES Delta, LLC

Last confirmed: 2026-08-18T00:00:00+00:00

Utah Department of Environmental Quality

Utah Department of Environmental Quality (https://www.utah.gov/pmn/sitemap/noticeprint/738285.html)

Utah Department of Environmental Quality

Last confirmed: 2026-08-18T00:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

Project Type · About Us | ACES Delta

Current value: Value: hydrogen_production_facility

About Us | ACES Delta

About Us | ACES Delta

About Us | ACES Delta

Last confirmed: 2026-08-30T15:13:04+00:00

Technology · ADVANCED CLEAN ENERGY STORAGE

Current value: Value: alkaline electrolysis

ADVANCED CLEAN ENERGY STORAGE

ADVANCED CLEAN ENERGY STORAGE

ADVANCED CLEAN ENERGY STORAGE

Last confirmed: 2026-08-30T16:48:54+00:00

As of: 2022-05-19

Earlier value: Value: ALK

International Energy Agency

iea_hydrogen_projects_raw.csv

International Energy Agency

Original field: Technology

Last confirmed: 2026-09-01T03:10:00+00:00

As of: 2026-06-18

ComponentsMitsubishi Power was to provide hydrogen equipment integration including gas separators, rectifiers, medium voltage transformers and a distributed control system, as announced in April 2022.
Configuration DetailThe hub was initially designed to convert renewable energy through electrolysis into green hydrogen, store it in two salt caverns each capable of storing 150 GWh of energy, and supply hydrogen feedstock to the Intermountain Power Agency's IPP Renewed Project, as announced in April 2022.
Power Sourcerenewable energy
TechnologyAlkaline electrolysis

Capacity & economics

Sources
Awarded Price · Source
Demand Consumption · Source
Financing · U.S. Department of Energy

Earlier value: Value: loan_guarantee; Unit: USD million; Value: 504.4; Status: issued; Original text: In June 2022, the Department of Energy issued a $504.4 million loan guarantee to finance Advanced Clean Energy Storage

U.S. Department of Energy

U.S. Department of Energy (https://www.energy.gov/edf/advanced-clean-energy-storage)

U.S. Department of Energy

Last confirmed: 2026-08-18T00:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

Production Cost · Source
Production · ACES Delta, LLC

Current value: Value: 100

ACES Delta, LLC

Sites | ACES Delta

ACES Delta, LLC

Last confirmed: 2026-08-30T16:48:54+00:00

As of: 2022-05-19

Purchase Agreement Details · magnumdev.com

Current value: Value: The April 26, 2022 project release stated that all major contracts, including offtake, had been secured and that ACES would supply hydrogen feedstock to IPA IPP Renewed.

magnumdev.com

Advanced Clean Energy Storage Project — April 26, 2022 press release

magnumdev.com

Last confirmed: 2026-08-30T16:48:54+00:00

As of: 2022-04-26

ADVANCED CLEAN ENERGY STORAGE

ADVANCED CLEAN ENERGY STORAGE

ADVANCED CLEAN ENERGY STORAGE

Last confirmed: 2026-08-30T16:48:54+00:00

As of: 2022-04-26

Sales Price · Source
Total Capex · Source
Production100
Purchase Agreement DetailsThe April 26, 2022 project release stated that all major contracts, including offtake, had been secured and that ACES would supply hydrogen feedstock to IPA IPP Renewed.

Status & timeline

Sources
Actual Output · Source
Actual Utilization · Source
Event · Mitsubishi Heavy Industries, Ltd.

Earlier value: Value: 2022-06; Value: 2022-06; Value: E-06; Value: transcription; Value: EV-05; Value: Final investment decision reached in June 2022.; Value: month

Mitsubishi Heavy Industries, Ltd.

Mitsubishi Heavy Industries, Ltd. (https://www.mhi.com/finance/library/business/pdf/2023_et_summary.pdf)

Mitsubishi Heavy Industries, Ltd.

Last confirmed: 2026-08-18T00:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

Earlier value: Value: 2022-06; Value: 2022-06; Value: E-03; Value: transcription; Value: EV-06; Value: In June 2022, the Department of Energy issued a $504.4 million loan guarantee to finance Advanced Clean Energy Storage; Value: month

U.S. Department of Energy

U.S. Department of Energy (https://www.energy.gov/edf/advanced-clean-energy-storage)

U.S. Department of Energy

Last confirmed: 2026-08-18T00:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

Earlier value: Value: 2026-Q1; Value: 2026-06-22; Value: E-01; Value: transcription; Value: EV-11; Value: In the first quarter of 2026, HydrogenPro completed and commissioned the 220 MW first stage of the ACES project in Utah; Value: quarter

HydrogenPro ASA

HydrogenPro ASA (https://hydrogenpro.com/mfn_news/business-update/)

HydrogenPro ASA

Last confirmed: 2026-08-18T00:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T14:44:10+00:00

Earlier value: Value: 2025

International Energy Agency

iea_hydrogen_projects_raw.csv

International Energy Agency

Original field: Date online

Last confirmed: 2026-09-01T03:10:00+00:00

As of: 2026-06-18

Inactivity Signal · Source
Lifecycle Stage · NAES

Current value: Value: commissioning

NAES

Green Hydrogen as Long-Duration Energy Storage

NAES

Last confirmed: 2026-08-30T16:48:54+00:00

As of: 2026-08-11

HydrogenPro ASA

220 MW project nearing completion, will secure renewable power supply to California

HydrogenPro ASA

Last confirmed: 2026-08-30T16:48:54+00:00

As of: 2026-08-11

Operating Level · Source
Permit Type · Source
Permits · Source
Phase Sequence · Source
Shutdown · Source
Suspension Character · Source
Lifecycle Stagecommissioning