H2Prism
Hydrogen calculators & data

Underground Sun Storage 2030

Overview

Sources
Name · RAG Austria AG

Earlier value: Value: Underground Sun Storage 2030

RAG Austria AG

RAG Austria AG (https://www.uss-2030.at/en/public-relations/press-releases/underground-sun-storage-worlds-first-geological-hydrogen-storage-facility-goes-into-operation-1)

RAG Austria AG

Last confirmed: 2026-08-18T01:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

Earlier value: Value: Underground Sun Storage 2030

International Energy Agency

iea_hydrogen_projects_raw.csv

International Energy Agency

Original field: Project name

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

As of: 2026-06-18

Capacity · International Energy Agency

Earlier value: Value: 2 Mwel

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: 2

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: 0.2998615384615385

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: 384.61538461538464

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 · RAG Austria AG

Earlier value: Value: Operational

RAG Austria AG

RAG Austria AG (https://www.uss-2030.at/en/public-relations/press-releases/seasonal-electricity-storage-in-the-form-of-hydrogen-ready-for-scale-up-1)

RAG Austria AG

Last confirmed: 2026-08-18T01:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

Earlier value: Value: DEMO

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 · RAG Austria AG

Earlier value: Value: AUT

RAG Austria AG

RAG Austria AG (https://www.uss-2030.at/en/public-relations/press-releases/underground-sun-storage-worlds-first-geological-hydrogen-storage-facility-goes-into-operation-1)

RAG Austria AG

Last confirmed: 2026-08-18T01:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

Earlier value: Value: Austria

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—
Country—
Target operation—

Location & names

Sources
Site Name · RAG Austria AG

Earlier value: Value: Rubensdorf/Gampern hydrogen storage facility

RAG Austria AG

RAG Austria AG (https://www.uss-2030.at/en/public-relations/press-releases/underground-sun-storage-worlds-first-geological-hydrogen-storage-facility-goes-into-operation-1)

RAG Austria AG

Last confirmed: 2026-08-18T01:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

Administrative Area · RAG Austria AG

Earlier value: Value: AT-4 Oberösterreich

RAG Austria AG

RAG Austria AG (https://www.uss-2030.at/en/public-relations/press-releases/underground-sun-storage-worlds-first-geological-hydrogen-storage-facility-goes-into-operation-1)

RAG Austria AG

Last confirmed: 2026-08-18T01:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

Earlier value: Value: Gampern

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 · RAG Austria AG

Earlier value: Value: other_spelling; Value: USS 2030; Value: source_label; Value: Underground Sun Storage

RAG Austria AG

RAG Austria AG (https://www.uss-2030.at/en/public-relations/press-releases/underground-sun-storage-worlds-first-geological-hydrogen-storage-facility-goes-into-operation-1)

RAG Austria AG

Last confirmed: 2026-08-18T01:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

Coordinates Precision · International Energy Agency

Earlier value: Value: 47.9851682548485; Value: 13.5608745428873

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 · RAG Austria AG

Earlier value: Value: en; Value: Underground Sun Storage 2030; Value: E-01

RAG Austria AG

RAG Austria AG (https://www.uss-2030.at/en/public-relations/press-releases/underground-sun-storage-worlds-first-geological-hydrogen-storage-facility-goes-into-operation-1)

RAG Austria AG

Last confirmed: 2026-08-18T01:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

Technology & product

Sources
Carbon Reduction · Source
Components · RAG Austria AG

Earlier value: Value: electrolyser; Value: PEM; Original technology: PEM electrolysis (= proton exchange membrane)

RAG Austria AG

RAG Austria AG (https://www.uss-2030.at/en/public-relations/press-releases/underground-sun-storage-worlds-first-geological-hydrogen-storage-facility-goes-into-operation-1)

RAG Austria AG

Last confirmed: 2026-08-18T01:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

Earlier value: Value: other; Value: other; Original technology: underground porous sandstone natural-gas reservoir hydrogen storage

RAG Austria AG

RAG Austria AG (https://www.uss-2030.at/en/public-relations/press-releases/underground-sun-storage-worlds-first-geological-hydrogen-storage-facility-goes-into-operation-1)

RAG Austria AG

Last confirmed: 2026-08-18T01:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

Configuration Detail · Source
Feedstock · Source
Final Use · Source
Power Contract Attribute · Source
Power Source · Source
Power Source Detail · Source
Product · International Energy Agency

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 · Source
Project Type · RAG Austria AG

Earlier value: Value: hydrogen_production_facility

RAG Austria AG

RAG Austria AG (https://www.uss-2030.at/en/public-relations/press-releases/underground-sun-storage-worlds-first-geological-hydrogen-storage-facility-goes-into-operation-1)

RAG Austria AG

Last confirmed: 2026-08-18T01:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

Technology · International Energy Agency

Earlier value: Value: PEM

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

Capacity & economics

Sources
Awarded Price · Source
Demand Consumption · Source
Financing · Klima- und Energiefonds

Earlier value: Value: 4680298; Currency: EUR; Original text: Fördersumme 4.680.298 EUR; Value: public_grant

Klima- und Energiefonds

Klima- und Energiefonds (https://www.klimafonds.gv.at/projekt/underground-sun-storage-2030/)

Klima- und Energiefonds

Last confirmed: 2026-08-18T01:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

Production Cost · Source
Production · Source
Purchase Agreement Details · Source
Sales Price · Source
Total Capex · Klima- und Energiefonds

Earlier value: Value: 8844856; Currency: EUR; Original text: Projektvolumen 8.844.856 EUR

Klima- und Energiefonds

Klima- und Energiefonds (https://www.klimafonds.gv.at/projekt/underground-sun-storage-2030/)

Klima- und Energiefonds

Last confirmed: 2026-08-18T01:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

Status & timeline

Sources
Actual Output · Source
Actual Utilization · Source
Event · RAG Austria AG

Earlier value: Value: 2021-06-08; Value: 2021-06-08; Value: E-11; Value: transcription; Value: EV-01; Value: Press release | Vienna, 8 June 2021; Value: day

RAG Austria AG

RAG Austria AG (https://www.uss-2030.at/en/public-relations/press-releases/underground-sun-storage-2030-store-solar-energy-seasonally-and-on-large-scale-in-the-form-of-hydrogen)

RAG Austria AG

Last confirmed: 2026-08-18T01:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

Earlier value: Value: 2023-04; Value: 2023-04; Value: E-12; Value: transcription; Value: EV-12; Value: goes in operation in April 2023; Value: month

RAG Austria AG

RAG Austria AG (https://www.uss-2030.at/en/public-relations/press-releases/underground-sun-storage-worlds-first-geological-hydrogen-storage-facility-goes-into-operation-1)

RAG Austria AG

Last confirmed: 2026-08-18T01:00:00+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

H2Prism earlier record (SRC-C-P200)

H2Prism earlier record (SRC-C-P200)

Last confirmed: 2026-08-17T17:03:52+00:00

Earlier value: Value: 2023

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