WUN H2 - Energy Park Wunsiedel

Germany · Bayern, Germany

Overview

StatusOperational

Country · regionGermany · Bayern, Germany

TechnologyWater electrolysis

Capacity9 MW

Capacity values retain their recorded units and scope. MW, kt H₂/y and Nm³ H₂/h are different measures; this page does not convert or add them without a shared operating basis.

Details

Technology & product

ComponentsElectrolyser (PEM)

Project Typehydrogen production facility

Location & names

Site NameEnergiepark Wunsiedel

AliasEnergiepark Wunsiedel

Official NameWUN H2

Timeline

Construction start : 2021-07-09
Commercial operation : 2022-09-14

Sources & record history

Sources

European Hydrogen Observatory projects Dec2025 Shared by 3 fields: Snapshot 2025-12-01 · Confidence: reported · Older value (2025)
WUN H2 GmbH WUN H2 GmbH (https://www.wun-h2.de/)
Siemens AG Siemens AG (https://press.siemens.com/de/de/pressemitteilung/siemens-nimmt-eine-der-groessten-gruenen-wasserstoffproduktionen-deutschlands)
Siemens AG Siemens AG (https://press.siemens.com/global/de/pressemitteilung/siemens-realisiert-wunsiedel-eine-der-groessten-co2-freien-wasserstoffproduktionen)
H2Prism earlier record (SRC-C-P200)

Field sources

Shared date, confidence and value status appear once with their source above; a dash in the table refers to that source context.

Field	Shown value	Original value	Source	Date basis	Meaning
Name	WUN H2 - Energy Park Wunsiedel	View exact value `WUN H2 - Energy Park Wunsiedel`	European Hydrogen Observatory projects Dec2025	—	—
Site Name	Energiepark Wunsiedel	View exact value `Energiepark Wunsiedel`	WUN H2 GmbH (https://www.wun-h2.de/); Siemens AG (https://press.siemens.com/de/de/pressemitteilung/siemens-nimmt-eine-der-groessten-gruenen-wasserstoffproduktionen-deutschlands); Siemens AG (https://press.siemens.com/global/de/pressemitteilung/siemens-realisiert-wunsiedel-eine-der-groessten-co2-freien-wasserstoffproduktionen); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)		Older value
Administrative Area	Bayern, Germany	View exact value `Bayern, Germany`	WUN H2 GmbH (https://www.wun-h2.de/); Siemens AG (https://press.siemens.com/de/de/pressemitteilung/siemens-nimmt-eine-der-groessten-gruenen-wasserstoffproduktionen-deutschlands); Siemens AG (https://press.siemens.com/global/de/pressemitteilung/siemens-realisiert-wunsiedel-eine-der-groessten-co2-freien-wasserstoffproduktionen); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)		Older value
Alias	Energiepark Wunsiedel	View exact value `[{"kind":"source_label","name":"Energiepark Wunsiedel"}]`	WUN H2 GmbH (https://www.wun-h2.de/); Siemens AG (https://press.siemens.com/de/de/pressemitteilung/siemens-nimmt-eine-der-groessten-gruenen-wasserstoffproduktionen-deutschlands); Siemens AG (https://press.siemens.com/global/de/pressemitteilung/siemens-realisiert-wunsiedel-eine-der-groessten-co2-freien-wasserstoffproduktionen); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)		Older value
Country	Germany	View exact value `DEU`	WUN H2 GmbH (https://www.wun-h2.de/); Siemens AG (https://press.siemens.com/de/de/pressemitteilung/siemens-nimmt-eine-der-groessten-gruenen-wasserstoffproduktionen-deutschlands); Siemens AG (https://press.siemens.com/global/de/pressemitteilung/siemens-realisiert-wunsiedel-eine-der-groessten-co2-freien-wasserstoffproduktionen); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)		Older value
Official Name	WUN H2	View exact value `[{"lang":"de","name":"WUN H2","evidence":["E-01"]}]`	WUN H2 GmbH (https://www.wun-h2.de/); Siemens AG (https://press.siemens.com/de/de/pressemitteilung/siemens-nimmt-eine-der-groessten-gruenen-wasserstoffproduktionen-deutschlands); Siemens AG (https://press.siemens.com/global/de/pressemitteilung/siemens-realisiert-wunsiedel-eine-der-groessten-co2-freien-wasserstoffproduktionen); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)		Older value
Components	Electrolyser (PEM)	View exact value `{"kind":"전해조","tech":"PEM","tech_raw":"PEM-Elektrolyse","component_id":"CMP-1"}`	WUN H2 GmbH (https://www.wun-h2.de/); Siemens AG (https://press.siemens.com/de/de/pressemitteilung/siemens-nimmt-eine-der-groessten-gruenen-wasserstoffproduktionen-deutschlands); Siemens AG (https://press.siemens.com/global/de/pressemitteilung/siemens-realisiert-wunsiedel-eine-der-groessten-co2-freien-wasserstoffproduktionen); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)		Older value
Project Type	hydrogen production facility	View exact value `hydrogen_production_facility`	WUN H2 GmbH (https://www.wun-h2.de/); Siemens AG (https://press.siemens.com/de/de/pressemitteilung/siemens-nimmt-eine-der-groessten-gruenen-wasserstoffproduktionen-deutschlands); Siemens AG (https://press.siemens.com/global/de/pressemitteilung/siemens-realisiert-wunsiedel-eine-der-groessten-co2-freien-wasserstoffproduktionen); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)		Older value
Technology	Water electrolysis	View exact value `Water electrolysis`	European Hydrogen Observatory projects Dec2025	—	—
Capacity	9 MW	View exact value `9 MW`	European Hydrogen Observatory projects Dec2025	—	—
Event	Construction start : 2021-07-09	View exact value `{"date":"2021-07-09","tags":{"as_of":"2021-07-09","source":"Siemens press release","evidence":["E-04"],"judged_by":"transcription","confidence":"high","accessed_at":"2026-08-17T18:07:43Z"},"ev_type":"EV-10","event_id":"V-01","raw_date_text":"Mit dem offiziellen Spatenstich in Wunsiedel begannen die Bauarbeiten","date_precision":"day"}`	Siemens AG (https://press.siemens.com/global/de/pressemitteilung/siemens-realisiert-wunsiedel-eine-der-groessten-co2-freien-wasserstoffproduktionen); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)		Older value
Event	Commercial operation : 2022-09-14	View exact value `{"date":"2022-09-14","tags":{"as_of":"2022-09-14","source":"Siemens press release","evidence":["E-02"],"judged_by":"transcription","confidence":"high","accessed_at":"2026-08-17T18:07:43Z"},"ev_type":"EV-13","event_id":"V-02","raw_date_text":"Mit der Inbetriebnahme der Wasserstofferzeugungsanlage beginnt die kommerzielle Produktion des Energieträgers H₂ in Wunsiedel.","date_precision":"day"}`	Siemens AG (https://press.siemens.com/de/de/pressemitteilung/siemens-nimmt-eine-der-groessten-gruenen-wasserstoffproduktionen-deutschlands); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200)		Older value
Progress Status	Operational	View exact value `Operational`	WUN H2 GmbH (https://www.wun-h2.de/); H2Prism earlier record (SRC-C-P200); H2Prism earlier record (SRC-C-P200); Siemens AG (https://press.siemens.com/de/de/pressemitteilung/siemens-nimmt-eine-der-groessten-gruenen-wasserstoffproduktionen-deutschlands)		Older value

Record history

0 current sourced values · 12 older values · Record updated 26 Sep 2026