One of the main indicators of the reliability (continuity) of electricity supply is the system average interruption duration index (SAIDI), calculated as the ratio of the cumulative length of long breaks at commercial power accounting points where power supply was interrupted during the reporting period to the total number of commercial counting posts. The file contains information on the distribution of the number of long power breaks in the system according to their duration.

Information on the actual values of the average long power outages (SAIDI) caused by companies, planned interruptions or as a result of force majeure, structured by licensees for the distribution of electricity.

The data are calculated as the ratio of the total number of outages per quarter to the total number of clients.

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Duration of power outages by cause (annual data)

Duration of power outages by area type