Falling wind power generation has tightened power markets in Europe this week, with Wednesday electricity prices in Germany hitting their highest since the peak of the energy crisis in 2022. Wind speeds in the UK and Germany have slumped this week in the so-called ‘Dunkelflaute’ period in which there is a lull in wind speeds. This has sent power prices in northwestern European countries surging and nations have had to rely more on fossil fuels such as natural gas to meet demand. The UK saw on Tuesday just 4% of its electricity demand…