As provision of electricity moves away from command-and-control governance to become a multi-faceted business subject to the rules of demand and supply, specific sub-markets for vital grid support services are emerging. The new approach means services like rapid response to deviations in grid frequency become products in their own right. ...
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Elon Musk’s Australian banter about batteries; battery challenge from wind; low cost pumped hydro storage; IEA wants stronger signals for new grid flexibility; facts and figures indicate limited role for battery storage in the big picture
Is electricity storage essential? Belief is a dangerous foundation for decision-making and beliefs about storage risk major investment errors
Special report - Electricity Storage part 2/5: Filling in for wind and solar over days of calm and cloudy weather is not a task storage can perform, even if it was a power system requirement
Special report - Electricity Storage part 3/5: By relieving grid bottlenecks of surplus supply and providing bursts of power when needed, storage can add sufficient value to find routes to profitability, but they are limited
Special report - Electricity Storage part 4/5: No means of affordably storing large volumes of electricity in all geographies exists, but a robust grid, connected over a wide area, can deliver green energy reliability
Special report - Electricity Storage part 5/5: The uptake of renewable energy does not increase the need for storage capacity, but stored power can help grid operators flexibly operate power systems, provided it can pay its way
Essential knowledge and key indicators of the prospects for grid scale electricity storage technologies
Batteries score in their ability to rapidly inject bursts of electricity into the grid, but demand for the service is not greater in countries furthest ahead in transitioning to renewable energy