For sure, wind is an especially good complement for hydropower, since the latter can store the surplus when it’s windy and release it when it’s not. Still, wind generation can, like other variable renewables, slip to nigh 0 production from time to time, at which point there must be enough dispatchable capacity to cover the supply/demand gap. Otherwise you get rolling blackouts in the middle of a -20°C winter. Not great.
Here’s a showcase of one such day in my country this winter. Average temps below -20°C (which means demand is very rigid due to heating needs) and the wind died down completely in the morning across all of Scandinavia & northern Germany, which meant there wasn’t room to import either. Winter prices on electricity ranged between 10-60€/MWh back when our nuclear plants were in full operation. Half have been shut down in the past decade due to political pressure from the green party.
For sure, wind is an especially good complement for hydropower, since the latter can store the surplus when it’s windy and release it when it’s not. Still, wind generation can, like other variable renewables, slip to nigh 0 production from time to time, at which point there must be enough dispatchable capacity to cover the supply/demand gap. Otherwise you get rolling blackouts in the middle of a -20°C winter. Not great.
Here’s a showcase of one such day in my country this winter. Average temps below -20°C (which means demand is very rigid due to heating needs) and the wind died down completely in the morning across all of Scandinavia & northern Germany, which meant there wasn’t room to import either. Winter prices on electricity ranged between 10-60€/MWh back when our nuclear plants were in full operation. Half have been shut down in the past decade due to political pressure from the green party.
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