A graph of unit rate vs time for my electricity prices. The graph bubbles along the 0p axis, below 0 overnight last night, a little hump to about 2p/kwh at 9am, going negative again 11-2pm. The graph then shoots up to 14p/kwh at 2pm, raising to 25p at 6pm, then back down again to 10p later.
https://assets.chaos.social/media_attachments/files/112/229/231/650/686/872/original/34be41f4f3815e13.png