We live in a world full of contrasts. Wind and solar are healthy and infinite energy resources that do not harm the environment, do not produce CO2, but are blamed for making the electricity grid more unstable and expensive to operate. Because it is very hard to predict when the sun shines or how hard the wind blows, TSOs are challenged to accurately maintain a balanced frequency of the electricity grid 24 hours a day, seven days a week.

So how do we maintain an efficient electricity grid and avoid supply failure, or worst-case scenario, total blackouts while still feeding it with renewable energy resources?

A recent report prepared by Ramboll for Danish TSO, Energinet, explores innovative new technologies that have the potential of delivering ancillary services in order to stabilise the electricity grid when using renewable energy resources.

Based on a selection from the Danish Energy Agency, the report represents a technical screening of innovative new technologies covering not only energy storage such as batteries, but also the production and consumption part of the electricity grid. The latter category includes, among other technologies, large electric powered heat pumps and power-to-X electrolytic systems, which have a great technical potential on the Danish market.

The data collected in the 180-page report is extremely useful to ensure a stable electricity grid while maintaining a high proportion of renewable energy. It offers a systematic overview of innovative new technologies that are relevant locally but, in turn, can significantly contribute to the development of the European electricity market.

Read the full report here.

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