February 6, 2020
Utilities are increasingly seeking to impose additional integration charges on wind and solar generators to compensate for variability and uncertainty. Renewable Reserve Sharing Groups may provide a way to help reduce or eliminate those charges. There are two distinct ways that wind and solar generation can impact utility balancing requirements: Minute-to-minute variability of wind and solar generator output adds to load variability and increases Balancing Area regulation requirements. Large, but rare, drops in wind or solar output, under adverse weather and load conditions and during limited availability of conventional generation, can exceed the ramping capability of online generators to follow the changes in output. While minute-to-minute variability of wind and solar…
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