April 4, 2019
One critical element of a successful transformation of the grid with a high proportion of solar and wind power generation is the maintenance of power system flexibility. A flexible power system reliably supplies all customer energy demand at different time scales, from the very short to the long term — while managing the variability and uncertainty introduced by both the load and the VRE (variable renewable energy) delivered to the system. In addition to conventional power plants, system flexibility can be provided by grid infrastructure, demand-side response, and electricity storage. Even market, policy, and regulatory frameworks play an important role in unlocking flexibility. Operating solar generation in a flexible manner, when…
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