HDF Energy Breaks Ground on World’s Largest Green Hydrogen-Power Project

After successful financial close, HDF Energy starts construction of CEOG (French  Guiana), the world’s first baseload renewable energy power plant using hydrogen  technology

Multimegawatt power plant producing stable and dispatchable  electricity, 24 hours a day, without polluting emissions;
25 years Power Purchase Agreement (PPA) signed with the French utility EDF;

Equity provided by Meridiam and SARA as shareholders alongside HDF;

Nonrecourse project financing from leading commercial and development banks;

Engineering, procurement and construction (EPC) contract awarded to Siemens Energy

Hydrogen technologies supply competitively procured awarded to McPhy for the electrolysers and HDF for multimegawatt hydrogen fuel cells


Bordeaux (FRANCE), September 30th, 2021. HDF Energy (mnemonic code: HDF) and its equity partners, the infrastructure fund Meridiam and the petroleum operator SARA (Rubis Group) today announced the start of the construction of CEOG Renewstable® Power Plant in French Guiana. CEOG is the world’s first multimegawatt hydrogen power plant, and the largest green hydrogen storage of intermittent electricity sources (128MWh).


Damien HAVARD, CEO of HDF Energy said: “CEOG demonstrates that HDF Renewstable® solution addresses a very large market being all the grids currently powered by fossil fuel power plants. By supplying nonintermittent renewable energy, CEOG which we are already replicating across the world opens a new era for renewable energies. We thank our partners Meridiam and SARA (Rubis Group) that have brought a significant value to the development of CEOG, allowing us to launch today this new model of electricity production. “


The Renewstable® power plant, designed and developed by HDF, will supply a 100% renewable, stable and dispatchable power to 10 000 households at a lower cost than the diesel power plant, but without emitting any greenhouse gas, fine particle, noise or fumes. A Renewstable® power plant produces

electricity using local sources of clean energy to fully sustain the local needs, reducing exposure to oil price volatility, supply risks, and saving foreign exchange.

Representing a total investment of US$200 million, CEOG is an optimised combination of a solar park, a hydrogen longterm energy storage and a battery (shortterm energy storage) to produce 24/7 baseload power. It is the first time that a renewable energy project supplies a grid through a capacitybased Power Purchase Agreement, usually used for thermal power plants. This type of electricity offtake contract guarantees the availability and stability of the electricity produced by CEOG. This last characteristic is essential for powering isolated grids or reducing congestion on large networks.


CEOG is currently being duplicated in about 20 countries such as Mexico, Caribbean island nations, Southern Africa, Indonesia and Australia. Competitive with diesel power plants, the Renewstable® power plant addresses a large power generation market. HDF has already identified a pipeline of US$3 billion.


HDF has been developing a project very similar to CEOG for the past 3 years in Barbados called “RSB” (Renewstable Barbados), fully aligned with Barbados National Energy Policy (BNEP). Located in St Philip, the project represents a 130 million USD private investment that will be gathered through a financing mechanism similar to CEOG, involving locally sourced equity and toptier development banks.
Based in Barbados, newly created HDF Caribbean subsidiary is now recruiting local high education profiles to accelerate regional business development.

Thibault MENAGE, VP Caribbean at HDF Energy said:
The need for carbonfree locally sourced baseload power in the Caribbean is tremendous. The Renewstable® solution proposes a competitive and bankable alternative to heavy fuel oil/jet fuel power plants. Caribbean island nations have ambitious Renewable Energy targets, good sun and wind resources but need energy storage, and some are already looking at kick starting their green hydrogen economies. HDF Caribbean have solutions and can finance them.

ABOUT HDF ENERGY

HDF Energy is a global pioneer in hydrogen energy. HDF develops, finances and operates multimegawatts HydrogenPower plants. These plants provide continuous or ondemand electricityfrom renewable energy sources (wind or solar), combined with high power fuel cells supplied by HDF. HDF has developed the world’s first mass production plant for highpower fuel cells for energy, which will be commissioned in France in 2023. Through this activity, HDF Energy will also serve the maritime and data center markets. HDF Energy is a powerful accelerator of the energy transition by offering nonintermittent, gridfriendly and ondemand renewable power. HDF is a company listed on the regulated market of Euronext Paris.

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