Although solar costs have been dropping in recent years, solar power is still more expensive than conventional and other renewable energy options, and in most applications solar power still needs continuing government policy support. However, the need to achieve multiple objectives and ensure...

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...