Danish roadmap for large-scale implementation of electrolysers

Water electrolysis is an established chemical process that has been used in industry for many years. The interest of using electrolysis for other purposes than industry is present, but execution of its implementation in the system is behind. This has to change, as the need for electricity storage is increasing with higher shares of intermittent renewable energy in the system.
Storing electrons into chemical energy via electrolysis opens door to cheaper ways of energy storage than direct electricity storage or heat storage. In order to meet the targets for 100% renewable energy in 2050, and to follow the energy system planning projections conducted that include electrolysis as an important part of the future energy system, Denmark needs to start implementing electrolyser capacities in the energy system.
The roadmap divided into 4 phases based on stakeholders’ inputs, previous studies on technologies and literature review, gives a set of different activities and measures that needs to be taken to speed up the implementation of electrolysis. Profiling Denmark as an important actor in the electrolysis and electrofuel production is a logical step as country can serve as a test centre for renewable energy integration and balancing technologies due to already high share of renewables.