German power for the next working day advanced as wind speeds and temperatures were forecast to drop at the beginning of next week.
The baseload contract, for delivery around the clock, rose 36 percent, according to broker data compiled by Bloomberg. Minimum temperatures in Frankfurt will drop to 1 degree Celsius (34 Fahrenheit) on Jan. 7 from 8 degrees today while wind speeds will fall to 3.7 kilometers per hour (2.3 miles per hour) from 18.5 kph today, CustomWeather Inc. data on Bloomberg show.
Electricity for Jan. 7 climbed 12.50 euros from the price for today to 47 euros ($61.30) a megawatt-hour at 5:30 p.m. Berlin time. The February contract gained 1.2 percent to 50.30 euros. Power for 2014, a European benchmark, fell 0.1 percent to 45.15 euros after dropping to a record 45.05 euros yesterday.
The profit for coal-fired plants, or clean-dark spread, for next month advanced as much as 4.8 percent to 17.06 euros a megawatt-hour, the highest since October 2009.
RWE AG halted its 1,050-megawatt Neurath-F lignite-fed plant after a boiler fault, the company said on its website. The unit is scheduled to start tomorrow.
In France, baseload power for February rose 2.2 percent to 58 euros a megawatt-hour, the highest price since Dec. 12. Electricite de France SA started its 915-megawatt St. Laurent-2 and 915-megawatt Tricastin-4 reactors today and delayed the restart of its 910-megawatt Gravelines-6 plant by two days to Jan. 6, RTE said on its website.