Part of a six part series, this BAFTA Special award nominated documentary looking at the building of hydro-electric power schemes in the Alps of Western Europe, specifically Italy and Austria. It also features other forms of electric power in other nations in Europe including thermal power in Tuscany in Italy, brown coal-fired power stations in Germany and Great Britain and hydro-power in Sweden, Scotland and Norway. It also investigates the possibility of inter-country exchange of power.