✨ Electricity Reliability Performance Measures
6 SEPTEMBER
NEW ZEALAND GAZETTE
2643
SECTION 3 EXPLANATION OF TERMS
| * | = | Actual Results - All Others Are Targets |
|---|---|---|
| km | = | kilometres |
| kV | = | kilovolts (e.g. 11kV = 11,000 volts) |
| kVA | = | kilovolt amperes |
| kW | = | kilowatts |
| kWh | = | kilowatt hours |
| GWh | = | Gigawatt hours (e.g. 1 GWh = 1,000,000 kWh) |
| ODV | = | Optimised Deprival Valuation |
| Class A | = | Planned interruptions by Transpower |
| Class B | = | Planned interruptions by Alpine Energy |
| Class C | = | Unplanned interruptions by Alpine Energy |
| Class D | = | Unplanned interruptions by Transpower |
| Class E | = | Unplanned interruption on “generation” lines used by Alpine Energy |
| Class F | = | Unplanned interruption on “generation” lines used by other line owners |
| Class G | = | Unplanned interruptions by other line owners |
| Class H | = | Planned interruptions by other line owners |
| Class I | = | Planned interruptions not referred in A-H |
The three reliability performance measures are defined as follows:
SAIDI is the total consumer minutes lost/total consumers (average interruption for all consumers).
SAIFI is the total consumers affected/total consumers (average interruptions per year for all consumers).
CAIDI is the total consumer minutes lost/total consumers affected (length of average interruption).
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VUW Te Waharoa —
NZ Gazette 1999, No 110
NZLII — 🌐 NZ Gazette 1999, No 110
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Alpine Energy Limited Reliability Performance Measures
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🏭 Trade, Customs & IndustryElectricity, Reliability, Interruptions, CAIDI, SAIDI, SAIFI, Performance Measures