Electricity prices in electricity area 4 have reached new highs, with the average rising to 2.46 kronor per kilowatt-hour, as cold weather and low wind power production affected Sweden, Denmark, and Germany.Peak prices in area 4 nearly hit five kronor per kilowatt-hour, making it the most expensive electricity day of the year, while area 3 also broke records with an average of 2.13 kronor, according to Nord Pool.By contrast, Norrland maintained low prices between 20 and 40 öre per kilowatt-hour, and taxes plus fees add more than one krona to the overall cost.