Addressing variability and uncertainty on longer timescales than operating reserves and regulation service.
Last Updated: October 29, 2025
Version: 1.0.0
Generated: January 19, 2026
Source:
Flexibility reserves are an emerging concept for addressing variability and uncertainty on longer timescales than operating reserves and regulation service. The Ancillary Services Market secures flexibility services from suppliers to maintain balance in response to changing conditions on the electrical grid.