Ancillary services

Ancillary Services are services provided to the System Operator by Generators or Customers apart from primary energy. They are needed to support the reliable and secure transport of power from Generators to Customers.

The Ancillary Services department is divided into the following sections:

  • Reserves
  • Reactive power & Voltage control
  • Black start & Islanding
  • Energy Imbalance
  • Ancillary services studies support
  • AS finance