Replacement Reserve (RR)

Replacement Reserve is a harmonised service across participating European TSOs for the provision of both an increase and decrease of active power.

To participate in RR, a unit (aggregated or non-aggregated) must have:

  • a minimum capacity of 1MW
  • a response time of less than 30 minutes
  • the ability to sustain delivery for at least 15 minutes
  • registered as either a Primary or Secondary BMU

For details on the despatch systems, EDL and EDT,  and submission of TERRE Bids, there are several documents listed under the Market Guidelines heading on this page