In Europe spot prices are announced 24 hours in advance so it's actually very easy to this. It's super handy for things like battery-electric vehicles or centra

In Europe spot prices are announced 24 hours in advance so it's actually very easy to this. It's super handy for things like battery-electric vehicles or central heating. For the latter you also take in the weather forecast into your model, and voila, lower power usage, better comfort. For BEV you can easily set plans to charge it even more than usual to take advantage of unusual drops. My washer and heat-pump dryer don't really use that much electricity. They've become super efficient. There are better and lower hanging fruits than such appliances these days.