Performance summaries for electricity distributors

Under Part 4 of the Commerce Act these 29 electricity distributors are required to publicly disclose information to help people better understand how the sector is performing.

Click areas on the map below to download the distributors' 2016 performance summaries.

Image Map

Alpine Energy

  • Number of connections: 31,936
  • Regulatory asset base: $167m
  • Line charge revenue: $52m
  • Return on investment: 5.57%

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Aurora Energy

  • Number of connections: 85,966
  • Regulatory asset base: $341m
  • Line charge revenue: $91m
  • Return on investment: 5.63%

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Aurora Energy

  • Number of connections: 85,966
  • Regulatory asset base: $341m
  • Line charge revenue: $91m
  • Return on investment: 5.63%

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Buller Electricity

  • Number of connections: 4,605
  • Regulatory asset base: $28m
  • Line charge revenue: $8m
  • Return on investment: 3.89%

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Centralines

  • Number of connections: 8,466
  • Regulatory asset base: $54m
  • Line charge revenue: $13m
  • Return on investment: 6.96%

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Counties Power

  • Number of connections: 39,747
  • Regulatory asset base: $231m
  • Line charge revenue: $49m
  • Return on investment: 7.55%

Download doc (489 KB)

Eastland Network

  • Number of connections: 25,415
  • Regulatory asset base: $141m
  • Line charge revenue: $33m
  • Return on investment: 6.99%

Download doc (487 KB)

Electra

  • Number of connections: 44,206
  • Regulatory asset base: $158m
  • Line charge revenue: $40m
  • Return on investment: 8.53%

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Electricty Ashburton

  • Number of connections: 18,774
  • Regulatory asset base: $237m
  • Line charge revenue: $41m
  • Return on investment: 6.36%

Download doc (491 KB)

Electricity Invercargill

  • Number of connections: 17,372
  • Regulatory asset base: $78m
  • Line charge revenue: $20m
  • Return on investment: 7.40%

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Horizon Energy

  • Number of connections: 24,818
  • Regulatory asset base: $115m
  • Line charge revenue: $31m
  • Return on investment: 6.51%

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MainPower NZ

  • Number of connections: 36,811
  • Regulatory asset base: $247m
  • Line charge revenue: $57m
  • Return on investment: 7.87%

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Marlborough Lines

  • Number of connections: 24,870
  • Regulatory asset base: $221m
  • Line charge revenue: $35m
  • Return on investment: 2.38%

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Nelson Electricty

  • Number of connections: 9,207
  • Regulatory asset base: $41m
  • Line charge revenue: $10m
  • Return on investment: 6.96%

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Network Tasman

  • Number of connections: 38,535
  • Regulatory asset base: $163m
  • Line charge revenue: $43m
  • Return on investment: 8.48%

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Network Waitaki

  • Number of connections: 12,641
  • Regulatory asset base: $82m
  • Line charge revenue: $18m
  • Return on investment: 5.41%

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Northpower

  • Number of connections: 57,247
  • Regulatory asset base: $254m
  • Line charge revenue: $66m
  • Return on investment: 7.31%

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Orion NZ

  • Number of connections: 192,857
  • Regulatory asset base: $987m
  • Line charge revenue: $247m
  • Return on investment: 6.95%

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OtagoNet

  • Number of connections: 15,440
  • Regulatory asset base: $168m
  • Line charge revenue: $35m
  • Return on investment: 6.58%

Download doc (490 KB)

Powerco

  • Number of connections: 330,577
  • Regulatory asset base: $1,528m
  • Line charge revenue: $374m
  • Return on investment: 7.01%

Download doc (491 KB)

Powerco

  • Number of connections: 330,577
  • Regulatory asset base: $1,528m
  • Line charge revenue: $374m
  • Return on investment: 7.01%

Download doc (491 KB)

Scanpower

  • Number of connections: 6,681
  • Regulatory asset base: $37m
  • Line charge revenue: $9m
  • Return on investment: 9.44%

Download doc (485 KB)

The Lines Company

  • Number of connections: 23,652
  • Regulatory asset base: $180m
  • Line charge revenue: $40m
  • Return on investment: 5.48%

Download doc (490 KB)

The Power Company

  • Number of connections: 35,474
  • Regulatory asset base: $340m
  • Line charge revenue: $59m
  • Return on investment: 4.66%

Download doc (487 KB)

Top Energy

  • Number of connections: 31,025
  • Regulatory asset base: $225m
  • Line charge revenue: $42m
  • Return on investment: 4.53%

Download doc (491 KB)

Unison Networks

  • Number of connections: 111,045
  • Regulatory asset base: $548m
  • Line charge revenue: $146m
  • Return on investment: 7.13%

Download doc (493 KB)

Vector Lines

  • Number of connections: 545,968
  • Regulatory asset base: $2,682m
  • Line charge revenue: $618m
  • Return on investment: 5.64%

Download doc (491 KB)

WEL Networks

  • Number of connections: 87,703
  • Regulatory asset base: $508m
  • Line charge revenue: $99m
  • Return on investment: 5.28%

Download doc (488 KB)

Waipa Networks

  • Number of connections: 25,099
  • Regulatory asset base: $92m
  • Line charge revenue: $24m
  • Return on investment: 6.00%

Download doc (489 KB)

Wellington Electricty

  • Number of connections: 166,591
  • Regulatory asset base: $592m
  • Line charge revenue: $164m
  • Return on investment: 6.18%

Download doc (492 KB)

Westpower

  • Number of connections: 13,402
  • Regulatory asset base: $111m
  • Line charge revenue: $21m
  • Return on investment: 3.80%

Download doc (486 KB)

The performance summaries provide high level statistics on each lines companies’ performance, including measures such as profitability, capital and operating expenditure, asset condition, line charge revenue and network reliability.

See more details in the documents below.