London — Power output from wind and solar in Germany rose above 50 GW for the first time on Wednesday with many neighboring states also registering strong wind and solar supply and the resulting oversupply pushing down spot power prices across the region, data from grid operators shows.
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Actual wind and solar power output in Germany averaged 50.287 GW during hour 12 with onshore wind pegged at 28.6 GW, offshore wind producing 4.2 GW and solar adding a further 17.4 GW, according to EEX Transparency which collects the data.
According to TSO estimates, wind and solar production for hour 13 was forecast even higher at 51.2 GW, the data shows.
This oversupply from wind and solar saw some hourly prices turn negative on the intraday market after afternoon hours in the day-ahead spot auction already settled below Eur10/MWh on the Epex Spot exchange.
Massive swings in wind and at times solar, with total installed capacity already above 92 GW put Germany's power grid under pressure with grid expansion lagging behind the boom in wind especially in Northern Germany with many neighboring states also registering very high levels of wind and solar production amid unseasonally high wind levels Tuesday and Wednesday.
In France, combined wind and solar production peaked at 12.5 GW around midday on Tuesday with the French wind and solar portfolio approaching 20 GW this summer, according to grid operator RTE.
--Andreas Franke, firstname.lastname@example.org
--Edited by Jeremy Lovell, email@example.com