... 206,366 42,6 37 World total 14,2 27, 785 2 ,76 9,344 Electricity Infrastructures in the Global Marketplace8 6 The majority of the remaining hydro potential is found in developing countries in the regions ... minimize the losses in storage, which principally arise because of the hydraulic losses in the conduit system. The difference between the “value” of the energy during the pumping cycle and the ... became big science in the 1 970 s. But the cost and complexity of the devices involved increased to the point where international co-operation was the only way forward. In 1 978 , the European Community...