There have been negative electricity (spot) prices already - https://www.montelnews.com/en/story/sweden-finland-see-negative-power-prices-for-first-time/1085919

There have been negative electricity (spot) prices already - https://www.montelnews.com/en/story/sweden-finland-see-negative-power-prices-for-first-time/1085919#:~:text=Prices%20turned%20negative%20for%20all,minimum%20of%20EUR%200.04%2FMWh https://www.montelnews.com/en/story/sweden-finland-see-negat....