Interruptibility service

By Resolution ARG/elt 187/10 (subsequently amended by Resolution ARG/elt 212/10) and the Regulation for the management of the assignment of the interruptibility service prepared with reference to the three-year period 2011-2013,
Terna assigns the interruptibility service by means of tenders:

  • on a quarterly basis, for the instantaneous and emergency interruptibility service and for any non-assigned power. The interruptibility service assigned runs from the first day of the month after that of assignment, up to 31 December 2013;
  • on a monthly basis, for the instantaneous and emergency interruptibility service and for any available power on a monthly basis, following the release of power by assignees or following the termination of contracts. The duration of the assignment is monthly. The assignments are made the month prior to the starting date of the assignment.

In December 2011, Terna assigned:

  • power for the instantaneous interruptibility service amounting to 3,791 MW (of which 212 MW assigned on a monthly basis) with an annual price amounting to €150,000/MW;
  • power for the emergency interruptibility service amounting to 20 MW (of which 1 MW assigned on a monthly basis) with an annual price amounting to €100,000/MW.
  Interruptible customers at 01.01.2011 Interruptible customers at 31.12.2011 Contractually-agreed power at 01.01.2011 Contractually-agreed power at 31.12.2011
Instantaneous 144 156 3,430 3,791
Emergency 4 4 25 20
Total 148 160 3,455 3,811