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Issue 07/2017

Expanded pumped storage power station goes into service

IEC experts, e-tech, visit new Veytaux pumped storage plant

Electricity is consumed predominantly as it is produced. Electricity generation relies increasingly on new renewable energy (RE) sources, mainly sun and wind. These are intermittent and not always available when needed, so electrical energy storage (EES) becomes essential in integrating them successfully into the energy mix. Pumped storage is by far the largest-capacity form of EES available, representing around 95% of the total available globally, according to the US Department of Energy Global Energy Storage Database