GALWAY, IRELAND--March 7, 2016--Written by Martin Lynch, European News Editor for Industrial Info (Galway, Ireland)--ScottishPower Ltd. has confirmed plans to add up to 600- megawatts (MW) of capacity to the Cruachan pumped storage hydroelectric power plant in the Scottish Highlands. Within this article: Details the planned expansion, timescales and costs for the Cruachan plant.