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' 2017 performance summaries.

Image Map

Alpine Energy

  • Number of connections: 32,829
  • Regulatory asset base: $179m
  • Line charge revenue: $54m
  • Return on investment: 7.66%

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Aurora Energy

  • Number of connections: 87,102
  • Regulatory asset base: $354m
  • Line charge revenue: $93m
  • Return on investment: 6.07%

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Aurora Energy

  • Number of connections: 87,102
  • Regulatory asset base: $354m
  • Line charge revenue: $93m
  • Return on investment: 6.07%

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Buller Electricity

  • Number of connections: 4,579
  • Regulatory asset base: $29m
  • Line charge revenue: $7m
  • Return on investment: 4.96%

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Centralines

  • Number of connections: 8,496
  • Regulatory asset base: $54m
  • Line charge revenue: $13m
  • Return on investment: 8.88%

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Counties Power

  • Number of connections: 40,794
  • Regulatory asset base: $242m
  • Line charge revenue: $50m
  • Return on investment: 8.27%

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Eastland Network

  • Number of connections: 25,407
  • Regulatory asset base: $152m
  • Line charge revenue: $35m
  • Return on investment: 8.94%

Download doc (490 KB)

Electra

  • Number of connections: 44,565
  • Regulatory asset base: $170m
  • Line charge revenue: $42m
  • Return on investment: 9.25%

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Electricty Ashburton

  • Number of connections: 18,986
  • Regulatory asset base: $251m
  • Line charge revenue: $41m
  • Return on investment: 6.41%

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Electricity Invercargill

  • Number of connections: 17,364
  • Regulatory asset base: $80m
  • Line charge revenue: $20m
  • Return on investment: 7.31%

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Horizon Energy

  • Number of connections: 24,913
  • Regulatory asset base: $120m
  • Line charge revenue: $31m
  • Return on investment: 8.87%

Download doc (491 KB)

MainPower NZ

  • Number of connections: 37,442
  • Regulatory asset base: $254m
  • Line charge revenue: $53m
  • Return on investment: 6.81%

Download doc (489 KB)

Marlborough Lines

  • Number of connections: 25,133
  • Regulatory asset base: $222m
  • Line charge revenue: $35m
  • Return on investment: 2.63%

Download doc (485 KB)

Nelson Electricty

  • Number of connections: 9,203
  • Regulatory asset base: $41m
  • Line charge revenue: $10m
  • Return on investment: 8.67%

Download doc (486 KB)

Network Tasman

  • Number of connections: 39,028
  • Regulatory asset base: $165m
  • Line charge revenue: $44m
  • Return on investment: 10.14%

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Network Waitaki

  • Number of connections: 12,710
  • Regulatory asset base: $87m
  • Line charge revenue: $16m
  • Return on investment: 4.83%

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Northpower

  • Number of connections: 57,952
  • Regulatory asset base: $258m
  • Line charge revenue: $67m
  • Return on investment: 8.13%

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Orion NZ

  • Number of connections: 196,421
  • Regulatory asset base: $1,004m
  • Line charge revenue: $248m
  • Return on investment: 8.30%

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OtagoNet

  • Number of connections: 15,623
  • Regulatory asset base: $179m
  • Line charge revenue: $36m
  • Return on investment: 8.32%

Download doc (489 KB)

Powerco

  • Number of connections: 334,042
  • Regulatory asset base: $1,593m
  • Line charge revenue: $377m
  • Return on investment: 7.73%

Download doc (494 KB)

Powerco

  • Number of connections: 334,042
  • Regulatory asset base: $1,593m
  • Line charge revenue: $377m
  • Return on investment: 7.73%

Download doc (494 KB)

Scanpower

  • Number of connections: 6,690
  • Regulatory asset base: $38m
  • Line charge revenue: $9m
  • Return on investment: 10.78%

Download doc (488 KB)

The Lines Company

  • Number of connections: 23,691
  • Regulatory asset base: $184m
  • Line charge revenue: $41m
  • Return on investment: 7.49%

Download doc (491 KB)

The Power Company

  • Number of connections: 35,507
  • Regulatory asset base: $355m
  • Line charge revenue: $59m
  • Return on investment: 6.07%

Download doc (489 KB)

Top Energy

  • Number of connections: 31,365
  • Regulatory asset base: $238m
  • Line charge revenue: $50m
  • Return on investment: 9.37%

Download doc (492 KB)

Unison Networks

  • Number of connections: 111,842
  • Regulatory asset base: $581m
  • Line charge revenue: $148m
  • Return on investment: 8.66%

Download doc (490 KB)

Vector Lines

  • Number of connections: 551,728
  • Regulatory asset base: $2,879m
  • Line charge revenue: $616m
  • Return on investment: 7.01%

Download doc (493 KB)

WEL Networks

  • Number of connections: 89,080
  • Regulatory asset base: $530m
  • Line charge revenue: $106m
  • Return on investment: 7.39%

Download doc (491 KB)

Waipa Networks

  • Number of connections: 25,614
  • Regulatory asset base: $113m
  • Line charge revenue: $26m
  • Return on investment: 6.94%

Download doc (486 KB)

Wellington Electricty

  • Number of connections: 166,344
  • Regulatory asset base: $603m
  • Line charge revenue: $172m
  • Return on investment: 8.03%

Download doc (490 KB)

Westpower

  • Number of connections: 13,448
  • Regulatory asset base: $109m
  • Line charge revenue: $20m
  • Return on investment: 4.35%

Download doc (488 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.