Interruptibility service

All links are to Spanish docs only except SCECI access.

Interruptibility management system

See Red Eléctrica's SG-SCECI communication, and the interruptible consumers and distribution companies control equipment (PDF, 1 MB, Not available in English) Open in new window .

Interruptibility is a demand management tool to give a rapid and efficient response to the needs of the electricity system in emergency situations. It consists of reducing the active power demanded to a required residual power level, in response to a power reduction order issued by Red Eléctrica, as system operator, to consumers subscribed to this service.

This service came into force on 1 July 2008, in accordance with ITC Order 2370/2007 (26/07/2007, in BOE 03/08/2007) (PDF, 136 KB) Open in new window . Industrial consumers who satisfy those pre-requisites established by law, become subscribers to this operation service, after passing a prequalification process by the system operator and formalisation of a contract between the parties. The Order has required other legal developments to regulate the technical specifications of this service, the contracts to be signed with the consumers and the operating procedures P.O. 14.9 and 15.1 necessary for its application. The regulatory framework is completed with the laws relative to the contract model Open in new window and the procedures for communication, execution and control of the service . The System for the Communication, Execution and Control of Interruptibility (SCECI) is the set of interlinked equipment that permit the execution of the interruption orders and monitoring of the degree of compliance of the same.

Below, all the necessary documentation and forms for the consumer subscribers to the interruptibility service are included:

Guide for new subscribers to this service

(Includes the necessary forms)

Access to the practical guide for new subscribers to this interruptibility sevice (PDF, 664 KB, 9 pages, 9 documents) .

Guide for consumers with subscriber contracts currently in force

(Includes the necessary forms)

Access to the practical guide for the extension and modification of the contract for supplying this interruptibility service for the 2011/2012 electricity season (PDF, 388 KB, 13 pages, 8 documents) .

Direct access to the forms for new subscribers as well as for subscriber with contracts currently in force

Contracts in force and interruptible power

To 1 June 2011, there are 155 interruptibility contracts in force, of which 141 correspond to the mainland system, 13 to the Canary Island system and 1 to the Balearic Island system.

The total interruptible power manageable by the system operator in periods of maximum demand reaches approximately 2,174 MW, of which 2,120 MW correspond to the mainland system, 52.4 MW to the Canary Island system and 1.2 MW to the Balearic Island system.

Geographical map with interruptible power data

Consumers subscribed to interruptibility at 1 June 2011
Zone	Number of consumers	Interruptible power (MW)
Mainland	141	2,120
Canary Islands	13	52.4
Balearic Islands	1	1.2