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Supporting Uptake of Renewables with Flexible Electrolysers for Resilient energy systems

Project description

Using hydrogen to balance the power grid

Europe is rapidly expanding wind and solar power, but weather and season variability make their handling difficult for power grids. At the same time, green hydrogen will be essential in Europe’s future decarbonised energy system. The EU-funded SURFER project turns hydrogen electrolysers into a flexible energy tool. Instead of having them operate at constant load, SURFER will demonstrate that electrolysers can safely and rapidly adjust their electricity use to support the grid. In doing so, they will help balance renewable generation while producing cheaper renewable hydrogen. This approach will allow more renewable electricity to be integrated, improve grid stability and optimise the use of existing infrastructure, supporting Europe’s transition towards climate neutrality.

Objective

The SURFER project aims to facilitate the widespread deployment of variable renewable energy sources (VRES) by demonstrating the use of flexible electrolysers as dynamic energy buffers and stabilise multiple types of energy networks, focusing primarily on power grids, but also considering heat valorisation and isolated or weak grids. SURFER will validate the capabilities of PEMEL, AEL and SOEL electrolysers to rapidly modulate their operation to accommodate fluctuations in renewable energy supply, grid demand and waste heat when available. Through multiple demonstrations across diverse European sites, including operational environments in France, Germany, and Norway, the project will improve the integration of these electrolyser technologies into the energy system. The partners will be the first in the world to provide grid services with electrolysis plants.

To achieve these objectives, the partners will demonstrate the dynamic operational flexibility of electrolysis plants, understand and model their dynamic behaviours, innovate power electronics for improved responsiveness, integrate these plants effectively into energy grids, simplify the RFNBO certification processes, while ensuring rigorous safety standards under dynamic operational conditions, and reducing the LCOH for wider access to renewable hydrogen.

SURFER's multi-disciplinary consortium of leading research institutions, (hydrogen) industry experts, and grid operators will address the complexities of electrolyser dynamics and energy system integration, significantly advancing beyond the state-of-the-art. SURFER will enable electrolysis plants to make additional revenues from power grid stabilising, also making the latter more resilient and decarbonised with increased VRES penetration and maximisation of their use. The project will improve energy security and drive down costs thanks to additional sources of revenues and heat integration, thus supporting Europe's energy transition goals.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

HORIZON-JU-IA - HORIZON JU Innovation Actions

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Call for proposal

(opens in new window) HORIZON-JU-CLEANH2-2025

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Coordinator

SINTEF AS
Net EU contribution
€ 664 520,00
Address
STRINDVEGEN 4
7034 Trondheim
Norway
Region
Norge Trøndelag Trøndelag
Activity type
Research Organisations
Links
Total cost
No data

Participants (13)