Denmark's western electrical grid is part of the Synchronous grid of Continental Europe whereas the eastern part is connected to the Synchronous grid of Northern Europe via Sweden.

Denmark was a pioneer in developing commercial wind power during the 1970s, and today a substantial share of the wind turbines around the world are produced by Danish manufacturers such as Vestas—the world's largest wind-turbine manufacturer—along with many component suppliers. Furthermore, Denmark has{Emdash}}as of 2022{Emdash}}the 2nd highest amount in the world of wind power generation capacity installed per capita, behind only neighboring Sweden.