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Reliability & Outages

Outage frequency: with and without major events

NZ energy/Reliability & Outages/Outage frequency: with and without major events

Outage frequency: with and without major events

Normalised versus all-class SAIFI, by distributor.

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Outage frequency, excluding major events

Normalised SAIFI by distributor, interruptions per customer.

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Outage frequency, including major events

System average interruption frequency index, interruptions per customer.

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Outage duration, excluding major events

Normalised SAIDI by distributor, minutes per customer.

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Outage duration, including major events

System average interruption duration index, minutes per customer.

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Outage duration: with and without major events

Normalised versus all-class SAIDI, by distributor.

 Bar chart

Outage duration, including major events

System average interruption duration index, minutes per customer.

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Planned and unplanned SAIDI

National ICP-weighted minutes per customer.