Ancillary Services
Frequency response, reserve, and system support services
Data Integration Required
Ancillary services data requires integration with NESO procurement platforms and may involve commercial data licenses. This page shows the planned structure for when data becomes available.
Ancillary services data requires integration with NESO procurement platforms and may involve commercial data licenses. This page shows the planned structure for when data becomes available.
Coming Soon
Dynamic Containment (DC)
Fast frequency response within 1 second
Cleared Price--
Volume--
Coming Soon
Dynamic Moderation (DM)
Slower frequency response service
Cleared Price--
Volume--
Coming Soon
Dynamic Regulation (DR)
Continuous frequency regulation
Cleared Price--
Volume--
Coming Soon
Quick Reserve
Fast reserve product replacing STOR
Cleared Price--
Volume--
Coming Soon
Slow Reserve
Longer duration reserve service
Cleared Price--
Volume--
Coming Soon
Reactive Power
Voltage support services
Cleared Price--
Volume--
Coming Soon
Black Start
Grid restoration capability
Cleared Price--
Volume--
Coming Soon
Inertia
System stability services
Cleared Price--
Volume--
Data Sources
Free
NESO Data Portal
Some historical ancillary services data is available via the National Grid ESO Data Portal.
Paid
EPEX SPOT / Nord Pool
Real-time auction results and detailed procurement data requires commercial data subscriptions.
API
NESO Single Markets Platform
Future API access for enduring auction platform results.
Planned Features
- Real-time frequency response auction results
- Historical cleared prices and volumes
- Service requirements forecasts
- Provider participation analytics
- Revenue stack optimization insights