CO

Convion

Convion Ltd.

Vantaa, Finland

HydrogenBiogasEnergy StorageSubsidiary
Founded 201251-200 employees
Profile last updated: March 21, 2026

About

Founded in 2012, Convion is a subsidiary headquartered in Vantaa, Finland with approximately 51-200 employees specializing in Hydrogen, Biogas, Energy Storage.

Convion Ltd. is a leading fuel cell system developer commercializing solid oxide fuel cell (SOFC) systems and solid oxide electrolysis (SOEC) technology. Established in 2012, the company specializes in distributed power generation and hydrogen production for industrial and commercial applications. Convion's products are based on solid oxide cell technology and offer premium energy efficiency, reliability, and operational flexibility. The company develops solutions for clean power generation from various fuel sources including natural gas, biogas, and hydrogen, as well as highly efficient hydrogen production through high-temperature electrolysis. Convion's technology enables combined heat and power generation with minimal environmental impact. The company serves customers globally and has demonstrated installations in waste water treatment, biogas production, and industrial applications across Europe. Convion is now a subsidiary of HD Hydrogen, acquired in 2023.

Headquarters

Vantaa, Finland

Founded

2012

Employees

51-200

Company type

Subsidiary

Focus areas

fuel cellSOFCelectrolyserhydrogen productionbiogasCHPdistributed power generationgreen hydrogensolid oxide cell technology

Products & services

Business models

B2BEPC

Value chain

ManufacturingEngineeringConstructionO&MConsulting

Locations

Headquarters

Tiilitie 6 A2 2nd floor, 01720, Vantaa, Finland

Projects

6

LEMENE Energy Community

OperationalFuel cell power generation with integrated storage

Smart micro-grid energy community that produces, stores and distributes electricity and heat locally in the Marjamäki industrial area, powered by Convion C60 fuel cells.

Lempäälä, FinlandCompleted: 2019-01-01

Collegno Waste Water Treatment Facility

OperationalBiogas fuel cell power generation

Industrial-scale SOFC fuel cell installation at waste water treatment facility generating power and heat from biogas. Largest solid oxide fuel cell plant in the world fueled by biogas directly.

Turin, Italy

Siimani Farm Biogas Fuel Cell System

OperationalBiogas fuel cell CHP system

Behind-the-meter installation providing renewable power and heat from locally produced biogas for facility consumption.

0.06 MW capacityEstoniaClient: Biometaan OÜ

E-Fuel Research Project

OperationalGreen hydrogen and synthetic fuels

Integrated project to produce drop-in paraffinic transportation fuels through Fischer-Tropsch process using green hydrogen produced by Convion SOEC electrolyser and sequestered CO2.

Shell Energy Transition Campus Electrolyser Demonstrator

OperationalSolid oxide electrolyser for hydrogen production

1-MW electrolyser demonstrator based on four Convion C250e electrolyser modules for hydrogen production at Shell's facility.

1 MW capacityAmsterdam, NetherlandsClient: Shell Global Solutions International

DEMOSOFC Project

OperationalBiogas fuel cell systems

European project demonstrating industrial-scale SOFC fuel cells applied to biogas installations with technical and economic validation.

Credentials & affiliations

Certifications

ISO 9001:2015

ISO 14001

ISO 45001

Industry memberships

Fuel Cells and Hydrogen Joint Undertaking

Partnerships

Shell Global Solutions International, SolydEra, Q Power, Elcogen, VTT, Neste, Biometaan OÜ

People

Management & team (4)

More Hydrogen Companies

View all

More Renewable Energy Companies in Finland

View all