Powerco

Last updated

Powerco Limited
Industry Energy
PredecessorTaranaki Energy Limited
Founded1999
Headquarters
New Plymouth, New Zealand
Services Electricity distribution
Natural gas distribution
Number of employees
520 full-time equivalent
Website www.powerco.co.nz

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

Contents

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

Powerco is owned by Australian companies Queensland Investment Corporation and AMP Limited. [1]

Business

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

Powerco owns and operates 28,935km of electricity lines and cables, and 6,227km 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:

Its gas network covers:

Key dates

Electricity network statistics

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 km17,942km
50kV and 66kV169 km169 km
33 kV1,612 km532 km1,080 km
22 kV122 km122 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

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

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References

  1. "Powerco NZ Holdings Limited". Companies Register. Retrieved 14 August 2020.
  2. 1 2 3 4 5 "Powerco Limited". www.powerco.co.nz. Archived from the original on 11 May 2001. Retrieved 12 January 2022.
  3. "Powerco Purchases AGL Hutt Valley and Porirua Basin Gas Network". www.powerco.co.nz. Archived from the original on 27 February 2003. Retrieved 12 January 2022.
  4. "Powerco completes integration of UnitedNetworks assets on time and under forecast". www.powerco.co.nz. Archived from the original on 13 April 2003. Retrieved 12 January 2022.
  5. "Electricity disclosure 1 April 2021 - 31 March 2022" (PDF). 2022. Retrieved 7 October 2018.
  6. "Gas disclosure 1 October 2021 - 30 September 2022" (PDF). Retrieved 7 October 2018.