OPERATIONAL PERFORMANCE FOR THE 3 MONTHS ENDED 30 SEPTEMBER 2017

Market Releases

	3 months ended 30 September
	2017	2016	% change
Electricity
Customers^{1, 4}	556,799	551,819	0.9%
New connections Net movement in customers²	2,591 1,699	2,502 1,766	3.6% (3.8%)
Volume distributed (GWh)	2,346	2,332	0.6%
SAIDI (minutes) – 6 months to 30 September³
Normal operations	119.2	75.1	58.7%
Extreme events	0.0	2.4	n/a
Total	119.2	77.5	53.8%

Gas Distribution
Distribution customers^{1, 4}	107,542	105,200	2.2%
New distribution connections Net movement in distribution customers²	875 872	982 878	(10.9%) (0.7%)
Distribution volume (PJ)	4.4	4.3	2.3%

Gas Trading
Natural gas sales (PJ)⁵	4.8	4.8	0.0%
Gas liquid sales (tonnes)⁶	21,481	20,148	6.6%
9kg LPG bottles swapped⁷ Liquigas LPG tolling (tonnes)⁸	161,904 33,708	151,549 40,462	6.8% (16.7%)

Technology
Electricity: smart meters^{1, 9}	1,309,148	1,163,259	12.5%

As at 30 September.
Net number of customers added during the period, includes disconnected, reconnected and decommissioned ICPs.
SAIDI (minutes) for the 6 months ended 30 September 2017 is an unaudited value and subject to change.
Billable ICPs.
Excludes gas sold as gas liquids. These sales are included within the gas liquids sales tonnages.
Total of retail and wholesale LPG and natural gasoline.
Number of 9kg LPG bottles swapped and sold during the year.
Includes product tolled in Taranaki and further tolled in the South Island.
The number of smart meters deployed as at 30 September 2017 includes 112,586 meters managed but not owned by Vector (30 September 2016: 65,956).

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