european power markets overview 1 introduction electricity is a secondary energy source and it made from the conversion of primary can not be stored demand supply has to matched simultaneously due high cost transportation almost all generated consumed either domestically or regionally this results in highly volatile prices spot market 2 wide variety domestic commercial industrial applications main drivers are weather daily seasonal variations usually stable predictable follows processes there minimal variation segment less heating cooling loads lighting other miscellaneous uses such as television schedules etc vary within day across week throughout year use for purposes varies lot country example netherlands only 3 houses whereas spain france widely used 70 25 typical yearly profile sample countries shown
