we make the earth the best place
for storing all energies

Our expertise
in underground storage

Consulting

Prospective studies and strategic reviews, pre-projects, pre-feasibility studies, decision-making support, site audits, etc.

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Engineering

Feasibility studies, basic design, project management, sub-surface and surface technologies, etc.

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Construction

Planning permission, tendering, construction management, commissioning and start-up, etc.

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Operation

Management, maintenance and operation of underground storage facilities.

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Green Storage,
our environmental ambitions

A large-scale programme on sustainable development, carbon-footprint reduction, decarbonised energy storage, and innovative solutions addressing climate challenges.

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of experience

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experts and technicians

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countries with activity

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fully operated storage sites

Key figures

An international engineering company specialised in underground storage solutions for energies, Geostock has gradually established global leadership in underground energy storage.

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Close to 60 years of underground storage expertise

Geostock has acquired top-level experience in all underground storage techniques, with unique expertise in the implementation of safe, economical and environmentally respectful infrastructure.

Types of underground storage

Hydrocarbon underground storage

Carbon-free energy underground storage

CO2 underground storage