Technology roadmap: energy storage

Technology roadmap: energy storage Energy storage technologies – spanning everything from electric water heaters to pumped hydro – are valuable components in most energy systems and could be an important tool for achieving a low-carbon future. In a new report released, the IEA estimates that China, India, the European Union and the United States alone should invest at least USD 380 billion in new electricity storage capacity by 2050 to support decarbonisation. By setting aside energy for use when and where it is needed, energy storage – both electricity and thermal (for heating and cooling) – can decouple supply from demand, increasing system flexibility and improving reliability. It is expected that storage could play a key role in coming decades in facilitating the expansion of variable renewable energy sources like wind and solar.

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