Cleantech - Decarbonation

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Salle GAÏA (Hall B4)
Dec 9, 2026
10:30 AM12:00 PM
Cleantech - DecarbonationStorageGrid management

RENEWABLE ENERGY: BUILDING THE NEW ENERGY SYSTEM TOGETHER, WHAT ARE THE CHALLENGES?

Nicolas GARNIERAnne-Catherine DE TOURTIERJules NYSSENPascal GUILLAUMEOlivier ZANETTA
Description
The energy transition has entered a new phase. It is no longer just a matter of accelerating the deployment of renewable energy, but of building a new energy system in which renewables serve as a cornerstone. This system will be more decentralized, combining energy, with an expanded role for local communities, industry, and citizens, and a central focus on flexibility, storage, and smart grids. With four months to go before the first round of the presidential election, this roundtable brings together the presidents of the leading federations in the renewable energy sector. They will compare their visions, identify priorities, and outline the conditions necessary for a decarbonized, sovereign, competitive, and resilient energy system. It will kick off the 20th edition of EnerGaïa, whose overarching theme is “Building the New Energy System Together.” A roundtable discussion moderated by Olivier Zanetta, journalist and programming director at EnerGaïa
Pavillon BÂTIMENT DURABLE (Hall B1)
Dec 9, 2026
11:00 AM11:20 AM
#Aerothermal - GeothermalCleantech - DecarbonationEngineeing - R_DGreen Buildings

CONCRETE SOLUTIONS FOR SUSTAINABLE BUILDINGS

Description
From construction to refurbishment, including global performance contracts, Spie batignolles supports the transformation of buildings to meet the challenges of sustainability. This pitch will highlight the solutions implemented to design sustainable buildings, combining user comfort, energy performance, and the use of renewable materials.
Salle EOLE (Hall B3)
Dec 9, 2026
2:00 PM3:00 PM
Transport - MobilityCleantech - Decarbonation#Hydrogen

RENEWABLE HYDROGEN AT ITS LOWEST POINT… BEFORE A REBOUND?

Elodie HATEFrançois DEDIEU
Description
After the initial euphoria surrounding the announcements, it’s time to face reality. Several projects have been postponed or scrapped, production costs remain high, infrastructure deployment is lagging, and industrial demand is struggling to materialize. Renewable hydrogen is going through a consolidation phase that calls into question its timeline, but not necessarily its role in decarbonization. So, is this just a temporary slump, or an essential step toward a more robust sector? Which applications should be prioritized: industry, heavy-duty transportation, e-fuels, or renewable energy storage? What business models will finally enable a viable market to emerge? This story is likely not one of failure, but rather of a change in direction. Hydrogen now seems to be finding its true purpose where alternatives are limited: the decarbonization of heavy industry, the steel industry, the chemical industry, and synthetic fuels. At the same time, major European infrastructure projects are beginning to take shape, with transportation initiatives that will eventually make it possible to produce hydrogen where it is most cost-effective and transport it to major industrial hubs. One key question remains: how can these prospects be turned into industrial reality? What are the main obstacles today? Will France—which has numerous industrial strengths and ranks among the most dynamic countries in e-fuel projects—be able to convert this lead into investments and factories? A roundtable discussion to distinguish promises from realities and understand whether renewable hydrogen is simply at a low point… before the rebound. A roundtable discussion moderated by Carole Rap, journalist
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