country,price_per_kwh,currency,basis,as_of,source
DE,0.389,EUR,"BDEW average household price for new contracts, 3,500 kWh a year",2026-10-07,https://www.bdew.de/media/documents/BDEW_Quick_Check_Gas_und_Strompreise261007.pdf
DE,0.37,EUR,BDEW 2026 year-to-date household average,2026-08,https://www.bdew.de/service/daten-und-grafiken/bdew-strompreisanalyse/
JP,31,JPY,"Reference unit price used for appliance labels, set by the Japan Fair Trade Council of Home Electric Appliances (tax included), revised 22 July 2022",2026-10-16,https://www.eftc.or.jp/qa/