Variable renewable energy (VRE) is not yet meaningfully participating in U.S. ancillary services (AS) markets. VRE participation in AS markets could provide a new source of revenues for VRE resource owners to offset declining energy and capacity values and a new tool for power system operators...

Decarbonizing power grids is an essential pillar of global efforts to mitigate climate change impacts. Renewable energy generation is expected to play an important role in electricity decarbonization, although its variability and uncertainty are creating new flexibility challenges for electric...