New Zealand Gazette – 2006 – No. 158

Page 4623

✨ Reliability Performance Measures

29 NOVEMBER 2006

NEW ZEALAND GAZETTE, No. 158

4623

Reliability Performance Measures (Requirement 21)

CAIDI	Class	Average CAIDI Targets	CAIDI Targets	Actual CAIDI
		2007/11	2007	2006 2006 2004 2003
CAIDI for total number of interruptions (= a/b) where - a = sum of interruption duration factors for all interruptions b = sum of electricity consumers affected by each of those interruptions				135 133 127 134
CAIDI Targets (=a/b) Planned Interruptions Unplanned Interruptions	Class B Class C	143 142	143 142
where - Planned Interruptions a = sum of interruption duration factors for all interruptions b = projected number of electricity consumers affected by each of those interruptions Unplanned Interruptions a = sum of interruption duration factors for all interruptions b = projected number of electricity consumers affected by each of those interruptions	Class B Class C	1,069,152 7,459 6,017,088 42,269	1,069,152 7,459 6,017,088 42,269
CAIDI for total number of interruptions within each interruption class (= a/b)	Class A Class B Class C Class D Class E Class F Class G Class H Class I			359 187 49 0 0 0 0 1,031 0 168 130 0 0 0 0 0 210 188 169 0 0 154 0 0 312 147 113 0 0 0 0 0
CAIDI for total of interruptions				136 133 127 134
where - a = sum of interruption duration factors for all interruptions b = sum of electricity consumers affected by each of those interruptions within that interruption class	Class A Class B Class C Class D Class E Class F Class G Class H Class I	137,428 683,679 8,001,348 30,383 0 0 0 0 72,195	0 770,671 6,213,421 38,505 0 0 0 0 0	78,750 946,417 7,344,364 468,448 0 27,721 0 0 0 587,769 1,438,893 7,213,916 1,545,201 0 0 0 0 0
	Class A Class B Class C Class D Class E Class F Class G Class H Class I	383 3,663 81,095 615 0 0 0 0 70	0 4,723 47,724 487 0 0 0 0 0	375 5,025 43,485 20,791 0 0 160 0 0 1,883 9,765 64,049 5,000 0 0 0 0 0