Transylvania Hydrogen Valley

Country
Romania

Transylvania Hydrogen Valley (THV) aims to establish the first integrated green hydrogen ecosystem in Romania, centered in Cluj-Napoca. The project develops a 2.5 MW renewable-powered electrolyzer to supply hydrogen for public transport, district heating, and future industrial use. Partnering with nearby cities, THV will create a regional clean-energy corridor, advancing decarbonization, energy independence, and innovation across Transylvania.

Lead developer Municipality of Cluj-Napoca
Project partner

Overarching / General

Emil Boc, Mayor – public authority lead/supporter; Prof. Bogdan Varga, PhD Eng. (TUCN) – initiator/scientific lead; Cluj-Napoca – lead city & H2 plant site; Alba Iulia & Bistrita – partners; Romanian Energy Ministry; Clean Hydrogen Partnership (EU)

H2 production

Municipality of Cluj-Napoca (MCN), through a dedicated hydrogen production and operation division to be established within Compania de Transport Public Cluj-Napoca S.A. (CTP)

H2 transportation, storage & distribution

Municipality of Cluj-Napoca; Compania de Transport Public Cluj-Napoca S.A. (CTP), Municipalities of Alba Iulia and Bistrita

H2 end use

Compania de Transport Public Cluj-Napoca S.A. (CTP); Termoficare Napoca S.A.; Technical University of Cluj-Napoca (TUCN), Municipalities of Alba Iulia and Bistrita

Locations
Romania | Cluj-Napoca

Project details

Production volume

H2 production from electrolysis

459.90 H2 tons/year

H2 color

Green

Total electrolyser capacity

2.50 MW (First built out stage)

Total investment (CAPEX)

34.87 EUR m

Value chain coverage

Primary energy sourcing

Grid - 2.50 MW

H2 production

Polymer electrolyte membrane (PEM) electrolyser – 2.50 MW

H2 Storage

Artificial - 0.29 tons

H2 distribution for mobility

350 bar (for cars and similar vehicles) 700 bar (for trucks and similar vehicles)

End use

Mobility

Road

Energy

Hydrogen supply for injection into gas grid

Project timeline

Planned timeline for First built out stage

Q4 2023 Project initiated
Q2 2026 Concept study completed
Q2 2024 Feasibility study completed
Q2 2026 FEED completed
Q1 2027 Final Investment Decision taken
Q4 2027 Construction started
Q4 2028 In operations