Some providers (I'm thinking of Octopus in the UK) offer tariffs which are closely linked to wholesale costs. Their "Agile Octopus" tariff has 30-minute pricin

Some providers (I'm thinking of Octopus in the UK) offer tariffs which are closely linked to wholesale costs. Their "Agile Octopus" tariff has 30-minute pricing windows, estimated the previous day. Electricity is cheap in the early hours where there's a surplus, and expensive at dinner time. Idea being you can charge your EV and do your tumble-drying at the cheapest possible time. There has been negative unit pricing in the past, when generation has far exceeded demand (i.e. early hours of the morning on a windy day). More info here: https://octopus.energy/agile/ https://octopus.energy/agile/