Think Geoenergy
Summary
Mixing biomass and groundsource heat pumps, the city of Bordeaux, France is also tapping geothermal energy for its district heating system.
The metropolis of Bordeaux in the South of France has entrusted Engie Solutions with the construction of a geothermal energy coupled with a biomass boiler, as reported by Environnement Magazine in France. This project aims to extend the existing heating network by 9 km and make it green by 2024 thanks to an unprecedented combination in the region.
Reactivating an old geothermal well and combining it with a unit for producing heat from biomass, such is the system devised by the Engie Solutions teams. This solution will allow the Bordeaux metropolis to distribute heating and hot water to 6,900 additional housing equivalents.
As part of a 25-year concession on the heating network called “Grand Parc Energies”, ENGIE Solutions will renovate and commission the existing 1,000-meter-deep production well, which will produce water at 44 ° C including the flow will be optimized. This geothermal energy will have a total capacity of 7.4 MW thanks to 4 heat pumps powered by 100% renewable and local electricity, coming in particular from the dams of the Hydroelectric Company of Midi (SHEM) and the photovoltaic park of Fanjeaux (ENGIE ) as part of a turnkey Green PPA *. This solution makes it possible to respond to the Metropolis’ desire to green its network while protecting network subscribers from the volatility of energy market prices.
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