High supply security and high share of renewables in Denmark


Denmark is a world leader in the supply of electricity from renewable sources. 2019 is yet another record year in this respect, according to the annual statement on the security of electricity supply presented by TSCNET customer Energinet, the Danish transmission system operator (TSO). The availability rate of electricity of 99.996% of the time, which the report reveals, is already impressive, but so is the share of renewables in the Danish electricity grid, which reached 50% last year.

The integration of such extensive and increasing wind and solar energy capacities, more electricity interconnectors, or the harmonisation of markets and grid operation through EC regulations – all these have an impact on the Danish security of supply. Therefore, the high level is not a sure-fire success and, according to Energinet’s CEO Søren Dupont Kristensen, is due to the TSO’s immense efforts: “In the last decade, we have taken enormous steps in the energy transition. For example, wind and sun accounted for less than 20% of electricity in Denmark in those days, whereas today it accounts for over 50%. At the same time, we still have a remarkably high level of supply security. However, this continued high level of supply security does not come by itself, which is why we are paying close attention to the challenges that an ageing electricity grid poses, including an increasing risk of power shortage.”

For 2030, Denmark has set a target of 100% electricity from renewables with a 70% reduction in CO2 emissions. This can only be achieved with a comprehensive sector coupling, as Energinet declares – and, because of the increasingly decentralised electricity generation, through consistent and adequate expansion of the electricity grids. Søren Dupont Kristensen assures that Energinet will take all measures to maintain Danish security of supply at a comparable high level over the next ten years.

Energinet has presented its statement on the Danish security of electricity supply in 2019 (picture: Pixabay)

> See Energinet press release, in Danish (html)