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For reference, the price for fixed-cost plans is around 10c/kWh.
As someone who’s been constantly running an electric heater in the garage while painting my car, I was quite lucky with the timing.
It’s not literally free, though. Transfer prices are fixed, and there are taxes and some other minor costs associated with it, so where I live, it still adds up to around 6c/kWh even when the price drops to zero. The cheap prices are due to an excess of wind power, but once the wind dies down, prices usually spike hard.
It's a great example to show electric energy based on wind, water, solar is the way to go - not only because it's more environmentally friendly than fossil fuels of any kind or nuclear, but it's economically better as well.
Thanks for sharing!
It's more of an example of how we don't have anywhere near enough storage for existing renewables.
It's fair pointing out the lack of (sufficient) storage for electric energy, but I'd say the average price of electricity in Finland for the past week indicates both capabilities of renawables and lack of storage.