Prospects for large-scale energy storage in decarbonised power grids

This paper focuses on the potential role that large-scale energy storage systems can play in future power systems. The starting point and basis for simulations is the Energy Technology
Perspectives 2008 (ETP) BLUE scenario for power supply. According to the scenario, increased use of renewable energy and nuclear technologies can play an important role in reducing CO2 emissions dramatically in the power sector. Through the increased use of these technologies, the use of fossil fuel powered plants, and consequent CO2 emissions, will be
reduced. Wind power and solar power provides 12% and 11% of global electricity generation by 2050 in the BLUE Map scenario. Variable output renewable technologies such as wind and solar
are not dispatchable. With large shares of these technologies, steps would need to be taken to ensure the continued reliable supply of electricity.

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