In the US, the peaks are in the afternoon, when you have a mix of business and residential use along with lingering high temperatures in summer.[0] In the UK,

In the US, the peaks are in the afternoon, when you have a mix of business and residential use along with lingering high temperatures in summer.[0] In the UK, meanwhile, peak load is driven by tea kettles and Eastenders.[1] [0a] http://cleantechnica.com/2014/07/21/utilities-cry-fowl-over-duck-chart-and-distributed-solar-powercrying-fowl-or-crying-wolf-open-season-on-the-utilitys-solar-duck-chart/ http://cleantechnica.com/2014/07/21/utilities-cry-fowl-over-... [0b] http://businesstech.co.za/news/hardware/86252/new-battery-tech-will-change-how-we-use-power/ http://businesstech.co.za/news/hardware/86252/new-battery-te... [0c] https://www.cnet.com/news/a-technology-race-to-curb-peak-energy-demand/ https://www.cnet.com/news/a-technology-race-to-curb-peak-ene... [0d] There's a great NPR viz on power sources around the US, though somewhat dated now: http://www.npr.org/2009/04/24/110997398/visualizing-the-u-s-electric-grid http://www.npr.org/2009/04/24/110997398/visualizing-the-u-s-... [1] http://www.bbc.co.uk/britainfromabove/stories/people/teatimebritain.shtml http://www.bbc.co.uk/britainfromabove/stories/people/teatime...