PARIS, April 4 (Reuters) - European spot electricity prices for day-ahead delivery diverged on Tuesday, as forecasts for increased wind power generation sent the German contract lower while the French prompt price rose on an expected increase in demand due to cold weather.
* The German spot power price for Thursday delivery tumbled nearly 20 percent or 7.25 euros to 29.75 euros ($36.53) a megawatt hour (MWh).
* The French day-ahead price for Thursday delivery gained 11.3 percent or 4.25 euros to 41.75 euros/MWh.
* Electricity production from German wind turbines will rise by more than 15 gigawatts day-on-day (GW) on Thursday to 26.6 GW, one forecast showed.
* French wind power generation will fall by 1.8 GW to 4.7 GW during the same period, supporting the contract, a trader said.
* French nuclear power availability is steady at 76 percent of capacity following another delay in the restart of EDF’s 900 MW capacity Fessenheim 2 nuclear reactor.
* Fessenheim 2 has been off line since June 2016 and was cleared by nuclear regulator ASN to restart at the end of March. EDF has delayed the restart twice until April 6. The utility was not immediately available for comment.
* Curbing French power output further, a strike reduced electricity production to zero at Uniper’s biomass and coal-fired plants in France on Wednesday, grid operator RTE said.
* On the demand side, French power consumption is expected to rise by more than 1 GW on Thursday to 57.4 GW, as the average temperature was forecast to rise by over 2 degrees Celsius, according to Thomson Reuters data.
* German demand will rise marginally by 230 megawatt to more than 65 GW on Thursday.
* Along the year-ahead power curve, the German year-ahead baseload slipped 25 cents to 36.10 euros/MWh.
* The French equivalent was a touch higher at 41.30 euros/MWh, up 0.12 percent.
* European carbon certificates for December 2018 expiry fell more than 2.33 percent to 12.99 euros a tonne.
* Cif Europe coal for 2019 was down more than 1 percent at $76.15 a tonne.
* In eastern Europe, the Czech day-ahead was untraded at its settled price of 37.85 euros/MWh the previous day. The year-ahead was also untraded at 37.65 euros/MWh. ($1 = 0.8143 euros) (Reporting by Bate Felix Editing by David Holmes)