I think we are more talking about hourly prices. You should take a look at the electric market, prices fluctuate heavy. So heavy even in some countries, that yo

I think we are more talking about hourly prices. You should take a look at the electric market, prices fluctuate heavy. So heavy even in some countries, that you are PAYING when you put electricity on the net: http://www.elia.be/nl/grid-data/balancing/onevenwichtsprijs http://www.elia.be/nl/grid-data/balancing/onevenwichtsprijs