Requirement to directly increase footroom by increasing demand and offsetting total SEL over the lowest demand points or over the entire overnight period (dependent on what the station had planned to do initially). Enduring contracts should be sought at all pumped hydro stations such that the contract can be called at day ahead where the station will provide notification of the maximum pumping volume available and National Grid will set a profile
Requirement to directly increase the high frequency response provision on the system to allow NGET to manage larger demand losses, which will in turn allow actions to be taken to increase footroom which would otherwise have exacerbated HF response requirements (e.g. trading to export on interconnector which increases the largest loss on the system and hence increases the high frequency response requirement). Enduring contracts should be sought at all generators capable for provision within the normal static HF response holding processes.