The average price of electricity will fall to €83.50 per megawatt-hour on Friday, data from the Nord Pool stock exchange shows.
It will be cheapest between 3 a.m. and 5 a.m. when it costs just under €45. The most expensive will be between 8 p.m. and 9 p.m. when it will rise to €220.78 per megawatt-hour.
On the same day last year, the price was €53.95.
The price today (Thursday) was €117.25.
Editor: Helen Wright