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Powerco

From Wikipedia, the free encyclopedia
New Zealand electricity and gas distribution company

Powerco Limited
IndustryEnergy
PredecessorTaranaki Energy Limited
Founded1999
Headquarters
New Plymouth, New Zealand
ServicesElectricity distribution
Natural gas distribution
Number of employees
520 full-time equivalent
Websitewww.powerco.co.nz

Powerco is the largest dual-energy distribution company inNew Zealand by length, and is one of only two dual-energy (electricity and gas) distributors in the country.

Its networks are located in the North Island of New Zealand.

Powerco is owned by Australian companiesQueensland Investment Corporation andAMP Limited.[1]

Business

[edit]

Powerco is a dual-energy distributor. Its role is to bring the gas and electricity delivered by the transmission networksTranspower (for electricity) andFirstgas (for gas) from the gas fields and power stations where it's generated, through its distribution networks, to customers.

Powerco owns and operates 28,935 km of electricity lines and cables, and 6,227 km of gas pipes. Over 900,000 customers are connected to its networks across 345,000 individual electricity connections and 112,000 individual gas connections.

Its electricity network covers:

  • Coromandel to South Waikato
  • Bay of Plenty: Tauranga and Mount Maunganui
  • Taranaki
  • Whanganui and Rangitīkei
  • Manawatū
  • Wairarapa

Its gas network covers:

  • Taranaki
  • Hawke's Bay
  • Manawatū
  • Porirua and Hutt Valley
  • Wellington

Key dates

[edit]
  • April 1993 - New Plymouth Energy (the electricity division of theNew Plymouth District Council) merges with Taranaki Electricity (former Taranaki Electric Power Board) to become Taranaki Energy Limited.[2]
  • 1994 - Taranaki Energy acquired the Hawera Gas Company.[2]
  • October 1995 - Taranaki Energy Limited merges with Wanganui-based Powerco (the former Wanganui Electric Power Board) to become Powerco Limited.[2]
  • September 1997 - Powerco acquires Hawera based Egmont Electricity.[2]
  • April 1998 - Government pass Electricity Industry Reform Act. PowerCo decided to become a "network business" (or lines company), and the following changes are made:
    • Electricity Retail Business (customer base) sold toGenesis Power
    • Gas Retail Business sold to Natural Gas Corporation
    • Natural Gas Corporation's Taranaki gas networks sold to Powerco
    • Powerco's five hydro power stations sold toTrustPower
    • Powerco purchases Wairarapa Electricity's network business (formerly part of the Wairarapa Electric Power Board)
  • August 2000 - Powerco merged with CentralPower (itself formed by the merger of CentralPower (for former Manawatu-Oroua Power Board) and ElectroPower, the former electricity division of Palmerston North City Council).[2]
  • June 2001 - Powerco purchases the Hutt Valley and Porirua gas networks fromAGL.[3]
  • February 2002 - Powerco purchases the electricity assets of United Networks Limited inTauranga, Eastern and Southern Waikato, Thames and Coromandel, plus gas networks in Wellington, Horowhenua, Manawatū and Hawke's Bay.[4]
  • 2004 - Powerco purchased Siemens Energy Services' Tauranga based contracting division
  • November 2005 - Powerco sold its New Zealand field services contracting business to Tenix Alliance
  • 2008 - Divestment of Powerco Australia Group (Tasmania gas distribution) to Babcock & Brown Infrastructure

Electricity network statistics

[edit]
Powerco electricity network statistics as of 31 March 2022[5]
ParameterValue
Total networkEastern network
(Tauranga, Coromandel and South Waikato)		Western network
(Taranaki, Whanganui, Manawatu and Wairarapa)
Total circuit length28,935 km10,993 km17,942 km
50kV and 66kV169 km169 km–
33 kV1,612 km532 km1,080 km
22 kV122 km–122 km
6.6kV to 11kV16,781 km6,051 km10,730 km
Single wire earth return (SWER)92 km69 km23 km
Low voltage (<1kV)10,159 km4,172 km5,986 km
Street lighting3,067 km1,689 km1,378 km
Customer connections345,000
System maximum demand986 MW526 MW464 MW
System electricity delivered4,994 GWh2,734 GWh2,260 GWh

Gas network statistics

[edit]
Powerco gas network statistics as of 30 September 2022[6]
ParameterValue
Total network
Total pipeline length6,227 km
Intermediate pressure (700–2000 kPa)274 km
Medium pressure (7–700 kPa)5,940 km
Low pressure (<7 kPa)14 km
Customer connections113,478
System maximum demand23,554 GJ per day
System gas delivered8,625 TJ

References

[edit]
  1. ^"Powerco NZ Holdings Limited".Companies Register. Retrieved14 August 2020.
  2. ^abcde"Powerco Limited".www.powerco.co.nz. Archived fromthe original on 11 May 2001. Retrieved12 January 2022.
  3. ^"Powerco Purchases AGL Hutt Valley and Porirua Basin Gas Network".www.powerco.co.nz. Archived fromthe original on 27 February 2003. Retrieved12 January 2022.
  4. ^"Powerco completes integration of UnitedNetworks assets on time and under forecast".www.powerco.co.nz. Archived fromthe original on 13 April 2003. Retrieved12 January 2022.
  5. ^"Electricity disclosure 1 April 2021 - 31 March 2022"(PDF). 2022. Retrieved7 October 2018.
  6. ^"Gas disclosure 1 October 2021 - 30 September 2022"(PDF). Retrieved7 October 2018.

External links

[edit]
Electricity companies inNew Zealand
Generation
Transmission
Distribution
North Island
South Island
Retail
Regulation and operation
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