Vector Annual Report 2021

Creating a new energy future – a bold vision

Operating statistics

YEAR ENDED 30 JUNE

2021

2020

ELECTRICITY Customers 1, 5

590,799 14,995 10,739

580,060

New connections

12,231

Net movement in customers 2 Volume distributed (GWh)

8,935 8,315

8,325

19,168

Network length (km) 1

18,999

SAIDI (minutes) 3, 4 Normal operations unplanned Normal operations planned

86.3 46.5

116.7

50.8

0.0

Major network events

3.4

132.8

Total

170.9

GAS DISTRIBUTION Customers 1, 5 New connections

116,472

113,960

3,844 2,512

3,201 2,318

Net movement in customers 2 Volume distributed (PJ) GAS TRADING Natural gas sales (PJ) 6 Gas liquid sales (tonnes) 7 9kg LPG bottles swapped 8 Liquigas LPG tolling (tonnes) 9 TECHNOLOGY Electricity: advanced meters 1, 10 Electricity: legacy meters 1 Electricity: prepay meters 1 Electricity: time-of-use meters 1

14.1

14.3

8.6

12.4

45,043 680,099 102,351

43,338

701,923 116,024

1,864,724

1,713,674

61,831

69,527

15

28

12,671

12,556

596

Gas: advanced meters 1 Gas: legacy meters 1

0

234,279

230,862

8,359

Data Management and service connections 1

8,472

1. As at 30 June. 2. Net number of customers added during the period, includes disconnected, reconnected and decommissioned ICPs. 3. SAIDI minutes for the regulatory year – 12 months ended 31 March (audited). 4. SAIDI in relation to normal operations and major network events has been updated in accordance with the DPP3 regulatory guidelines. 5. Billable ICPs. 6. Excludes gas sold as gas liquids. 7. The group completed the sale of its interests in the Kapuni Gas Treatment Plant (KGTP) and co-generation facility on 31 March 2020. As a result, we have changed the

methodology of calculating liquids volumes to reflect continuing activities only. LPG volumes include LPG sold by the OnGas business. LPG and Natural Gasoline sold by KGTP is now excluded. Comparatives have been restated to reflect this. 8. Number of 9kg LPG bottles swapped and sold during the year. 9. The group has revised the methodology for Liquigas LPG tolling to reflect new contractual terms and calculates product tolling domestic and exports. Product further tolled in South Island has been removed. 10. The number of advanced meters as at 30 June 2021 includes 177,397 meters managed but not owned by Vector (30 June 2020: 168,793).

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