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{{short description|New Zealand electricity and gas distribution company}}
{{Use New Zealand English|date=April 2024}}
{{Use dmy dates|date=April 2022}}
{{Infobox company
{{Infobox company
| name = Powerco Limited
| name = Powerco Limited
| logo =
| logo =
| type =
| type =
| genre =
| genre =
| fate =
| fate =
| predecessor = Taranaki Energy Limited
| predecessor = Taranaki Energy Limited
| successor =
| successor =
| foundation = 1999
| foundation = 1999
| founder =
| founder =
| defunct =
| defunct =
| location_country = [[New Plymouth]], New Zealand
| location_country = [[New Plymouth]], New Zealand
| location =
| location =
| locations =
| locations =
| area_served = 39,000 sq km<ref name="business" />
| area_served =
| key_people =
| key_people =
| industry = [[Energy industry|Energy]]
| industry = [[Energy industry|Energy]]
| products =
| products =
| services = [[Electricity distribution]] <br /> Natural gas distribution
| services = [[Electricity distribution]] <br /> Natural gas distribution
| revenue =
| revenue =
| operating_income =
| operating_income =
| net_income =
| net_income =
| aum =
| aum =
| assets =
| assets =
| equity =
⚫
| num_employees = 520 full-time equivalent
| equity =
| parent =
| owners = [[Queensland Investment Corporation]] (58%)<br>[[AMP Limited]] (42%)
⚫
| divisions =
⚫
| num_employees = 330 full-time equivalent
| parent =
| subsid =
⚫
| homepage = [http://www.powerco.co.nz/ www.powerco.co.nz]
⚫
| divisions =
| subsid =
| footnotes =
⚫
| homepage = [http://www.powerco.co.nz/ www.powerco.co.nz]
| footnotes =
}}
}}


'''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.
'''Powerco''' is the second-largest [[natural gas|gas]] and largest [[electricity]] distributor in [[New Zealand]]. It is one of only two companies to distribute both electricity and natural gas through their network (the other being [[Vector Limited]]).<ref name="business">{{cite web| url=http://www.powerco.co.nz/About-Us/Our-Business/| title=Our Business| publisher=Powerco| date=19 August 2011| accessdate=20 August 2011}}</ref> Its network delivers electricity and gas to households around the North Island from the national electricity transmission network [[Transpower New Zealand|Transpower]] and the natural gas transmission system owned and operated by [[Vector Limited]].


Its networks are located in the North Island of New Zealand.
Powerco arose from the energy reforms in New Zealand in the 1990s. It can trace its history back to a number of local power boards and gas companies that operated throughout the North Island. The company is 58% owned by [[Queensland Investment Corporation]] and 42% owned by [[AMP Limited]].<ref>{{cite web| url=http://www.powerco.co.nz/About-Us/Our-People/| title=Our People| date=14 July 2015| publisher=Powerco}}</ref>

Powerco is owned by Australian companies [[Queensland Investment Corporation]] and [[AMP Limited]].<ref>{{cite web| url=https://app.companiesoffice.govt.nz/companies/app/ui/pages/companies/2185529/shareholdings| title=Powerco NZ Holdings Limited| work=Companies Register| accessdate=14 August 2020}}</ref>


==Business==
==Business==
Powerco is a dual-energy distributor. Its role is to bring the gas and electricity delivered by the transmission networks [[Transpower New Zealand|Transpower]] (for electricity) and [[First Gas|Firstgas]] (for gas) from the gas fields and power stations where it's generated, through its distribution networks, to customers.
The New Zealand electricity reforms of the 1980s split the electricity industry broadly into four sections - generators, transmitters, distributors and retailers. Six main generator businesses ([[Contact Energy]], [[Genesis Energy Limited|Genesis Energy]], [[Mercury Energy]], [[Meridian Energy]], [[Trustpower]] and [[Nova Energy]]) generate electricity and supply it to New Zealand's national grid, operated by [[Transpower New Zealand|Transpower]]. Transpower transmits high-voltage electricity to grid exit points (or [[Electrical substation|substation]]s) around New Zealand for transmission to households and businesses. The local distribution network (mostly consisting of underground wires and/or overhead wires) that transmit electricity to end-users like households and businesses are owned and operated by local distribution companies, mostly regionally based.<ref>{{cite web| url=http://www.powerco.co.nz/About-Us/Our-Business/NZ-Electricity-Market/| title=Our Business: New Zealand's Electricity Market| date=14 July 2015| publisher=Powerco}}</ref>


Powerco owns and operates 28,935&nbsp;km of electricity lines and cables, and 6,227&nbsp;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.
Powerco is a distributor whose business is completely separate from generation, national transmission and retail (selling delivered electricity to end-users). It operates a 30,000&nbsp;km local electricity distribution network supplying 320,000 households, industries and businesses from Transpower's national grid and a 6,000&nbsp;km natural gas distribution network supplying 102,000 households, industries and businesses from Vector's transmission system.


Its electricity network currently supplies the following regions:
Its electricity network covers:
* Coromandel to South Waikato
* [[Tauranga]] and the Western Bay of Plenty District
* Bay of Plenty: Tauranga and Mount Maunganui
* [[Thames-Coromandel]], Hauraki, Matamata-Piako and South Waikato Districts
* [[Taranaki]] Region
* Taranaki
* Whanganui and Rangitīkei
* Wanganui and Rangitikei Districts
* Manawatū
* Palmerston North City and Manawatu District
⚫
* Wairarapa
* Southern Tararua District (south of and including [[Mangatainoka]])
⚫
* [[Wairarapa]]


Powerco's natural gas distribution network covers:
Its gas network covers:
* [[Taranaki]]
* Taranaki
⚫
* Hawke's Bay
* [[Manawatu District|Manawatu]]
* Manawatū
* [[Palmerston North]]
⚫
* Porirua and Hutt Valley
* [[Horowhenua District]]
* Wellington
⚫
*[[Hawke's Bay Region]]
⚫
* [[Hutt Valley]]
* [[Porirua]]
* [[Wellington|Wellington City]]<ref>{{cite web| url=http://www.powerco.co.nz/About-Us/Our-Business/Our-Networks/| title=Our Business: Our Networks| date=14 July 2015| publisher=Powerco}}</ref>


== Key dates ==
== Key dates ==
* April 1993 - New Plymouth Energy (the electricity division of the [[New Plymouth District Council]]) merges with Taranaki Electricity (former Taranaki Electric Power Board) to become Taranaki Energy Limited.<ref name="archive20010511">https://web.archive.org/web/20010511053541/http://www.powerco.co.nz/about/story.htm</ref>
* April 1993 - New Plymouth Energy (the electricity division of the [[New Plymouth District Council]]) merges with Taranaki Electricity (former Taranaki Electric Power Board) to become Taranaki Energy Limited.<ref name="archive20010511">{{cite web |url=http://www.powerco.co.nz/about/story.htm |title=Powerco Limited |website=www.powerco.co.nz |access-date=12 January 2022 |archive-url=https://web.archive.org/web/20010511053541/http://www.powerco.co.nz/about/story.htm |archive-date=11 May 2001 |url-status=dead}}</ref>
* 1994 - Taranaki Energy acquired the Hawera Gas Company.<ref name="archive20010511"/>
* 1994 - Taranaki Energy acquired the Hawera Gas Company.<ref name="archive20010511"/>
* October 1995 - Taranaki Energy Limited merges with Wanganui-based Powerco (the former Wanganui Electric Power Board) to become PowerCo Limited.<ref name="archive20010511"/>
* October 1995 - Taranaki Energy Limited merges with Wanganui-based Powerco (the former Wanganui Electric Power Board) to become Powerco Limited.<ref name="archive20010511"/>
* September 1997 - Powerco acquires Hawera based Egmont Electricity.<ref name="archive20010511"/>
* September 1997 - Powerco acquires Hawera based Egmont Electricity.<ref name="archive20010511"/>
* April 1998 - Government pass Electricity Industry Reform Act. PowerCo decided to become a "network business" (or lines company), and the following changes are made:
* April 1998 - Government pass Electricity Industry Reform Act. PowerCo decided to become a "network business" (or lines company), and the following changes are made:
Line 73: Line 73:
** Powerco purchases Wairarapa Electricity's network business (formerly part of the Wairarapa Electric Power Board)
** 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).<ref name="archive20010511"/>
* 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).<ref name="archive20010511"/>
* June 2001 - Powerco purchases the Hutt Valley and Porirua gas networks from [[AGL Energy|AGL]].<ref>https://web.archive.org/web/20030227164137/http://www.powerco.co.nz/0,2480,FF.htm</ref>
* June 2001 - Powerco purchases the Hutt Valley and Porirua gas networks from [[AGL Energy|AGL]].<ref>{{cite web |url=http://www.powerco.co.nz/0,2480,FF.htm |title=Powerco Purchases AGL Hutt Valley and Porirua Basin Gas Network |website=www.powerco.co.nz |access-date=12 January 2022 |archive-url=https://web.archive.org/web/20030227164137/http://www.powerco.co.nz/0,2480,FF.htm |archive-date=27 February 2003 |url-status=dead}}</ref>
* February 2002 - Powerco purchases the Electricity Assets of United Networks Limited in [[Tauranga]], Eastern and Southern Waikato, Thames and Coromandel, plus gas networks in Wellington, Horowhenua, Manawatu and Hawke’s Bay.<ref>https://web.archive.org/web/20030413170629/http://www.powerco.co.nz/0,3070,FF.htm</ref>
* February 2002 - Powerco purchases the electricity assets of United Networks Limited in [[Tauranga]], Eastern and Southern Waikato, Thames and Coromandel, plus gas networks in Wellington, Horowhenua, Manawatū and Hawke's Bay.<ref>{{cite web |url=http://www.powerco.co.nz/0,3070,FF.htm |title=Powerco completes integration of UnitedNetworks assets on time and under forecast |website=www.powerco.co.nz |access-date=12 January 2022 |archive-url=https://web.archive.org/web/20030413170629/http://www.powerco.co.nz/0,3070,FF.htm |archive-date=13 April 2003 |url-status=dead}}</ref>
* 2004 - Powerco purchased Siemens Energy Services' Tauranga based contracting division
* 2004 - Powerco purchased Siemens Energy Services' Tauranga based contracting division
* November 2005 - Powerco sold its New Zealand field services contracting business to Tenix Alliance
* November 2005 - Powerco sold its New Zealand field services contracting business to Tenix Alliance
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{| class="wikitable"
{| class="wikitable"
|-
|-
|+ Powerco electricity network statistics as of 31 March 2018<ref name="Disclosure">{{cite web |url= https://www.powerco.co.nz/media/1963/powerco-electricity-information-disclosure-2018-vf.pdf |title= EDB Information Disclosure - Powerco Limited - year ending 31 March 2018 |date= 31 August 2018 |accessdate= 7 October 2018}}</ref>
|+ Powerco electricity network statistics as of 31 March 2022<ref name="Disclosure">{{cite web |date=2022 |title=Electricity disclosure 1 April 2021 - 31 March 2022 |url=https://www.powerco.co.nz/-/media/project/powerco/powerco-documents/who-we-are---pricing-and-disclosures/disclosures/electricity-disclosures/5-electricity-information-disclosure-financial-and-technical/electricity-disclosure-1-april-2021---31-march-2022.pdf |accessdate=7 October 2018}}</ref>
|-
|-
! rowspan=2| Parameter
! rowspan=2| Parameter
Line 89: Line 89:
! Total network !! Eastern network <br /><small>(Tauranga, Coromandel and South Waikato)</small> !! Western network <br /><small>(Taranaki, Whanganui, Manawatu and Wairarapa)</small>
! Total network !! Eastern network <br /><small>(Tauranga, Coromandel and South Waikato)</small> !! Western network <br /><small>(Taranaki, Whanganui, Manawatu and Wairarapa)</small>
|-
|-
| Total circuit length || 27,833&nbsp;km || 10,568&nbsp;km || 17,547&nbsp;km
| Total circuit length || 28,935&nbsp;km || 10,993&nbsp;km || 17,942&nbsp;km
|-
|-
| 66&nbsp;kV || 169&nbsp;km || 169&nbsp;km || –
| 50kV and 66kV || 169&nbsp;km || 169&nbsp;km || –
|-
|-
| 33&nbsp;kV || 1,509&nbsp;km || 475&nbsp;km || 1,034&nbsp;km
| 33&nbsp;kV || 1,612&nbsp;km || 532&nbsp;km || 1,080&nbsp;km
|-
|-
| 22&nbsp;kV || 122&nbsp;km || – || 122&nbsp;km
| 22&nbsp;kV || 122&nbsp;km || – || 122&nbsp;km
|-
|-
| 6.6/11&nbsp;kV || 16,657&nbsp;km || 5,961&nbsp;km || 10,695&nbsp;km
| 6.6kV to 11kV || 16,781&nbsp;km || 6,051&nbsp;km || 10,730&nbsp;km
|-
|-
| [[Single wire earth return]] (SWER) || 79&nbsp;km || 61&nbsp;km || 17&nbsp;km
| [[Single wire earth return]] (SWER) || 92&nbsp;km || 69&nbsp;km || 23&nbsp;km
|-
|-
| Low voltage (230/400&nbsp;V) || 9,579&nbsp;km || 3,902&nbsp;km || 5,678&nbsp;km
| Low voltage (<1kV) || 10,159&nbsp;km || 4,172&nbsp;km || 5,986&nbsp;km
|-
|-
| Street lighting || 2,931&nbsp;km || 1,576&nbsp;km || 1,355&nbsp;km
| Street lighting || 3,067&nbsp;km || 1,689&nbsp;km || 1,378&nbsp;km
|-
|-
| Customer connections || 337,135 || 158,030 || 179,071
| Customer connections || 345,000 || ||
|-
|-
| System maximum demand || 897&nbsp;MW || 466&nbsp;MW || 433&nbsp;MW
| System maximum demand || 986 MW || 526 MW || 464 MW
|-
|-
| System electricity delivered || 5,099&nbsp;GWh || 2,701&nbsp;GWh || 2,398&nbsp;GWh
| System electricity delivered || 4,994 GWh || 2,734 GWh || 2,260 GWh
|}
|}


==Natural gas network statistics ==
==Gas network statistics ==
{| class="wikitable"
{| class="wikitable"
|-
|-
|+ Powerco electricity network statistics as of 30 September 2017<ref name="Disclosure_Gas">{{cite web |url= http://www.powerco.co.nz/uploaded_files/Publications-and-Disclosures/New/Disclosures/Gas-disclosure-2016.pdf |title= GDB Information Disclosure - Powerco Limited - year ending 30 September 2017 |accessdate= 7 October 2018}}</ref>
|+ Powerco gas network statistics as of 30 September 2022<ref name="Disclosure_Gas">{{cite web |title=Gas disclosure 1 October 2021 - 30 September 2022 |url=https://www.powerco.co.nz/-/media/project/powerco/powerco-documents/who-we-are---pricing-and-disclosures/disclosures/gas-disclosures/2-gas-information-disclosure-financial-and-technical/fy22-gas-disclosure-1-october-2021-30-september-2022.pdf |accessdate=7 October 2018}}</ref>
|-
|-
! rowspan=2| Parameter
! rowspan=2| Parameter
! colspan=4| Value
! colspan="2" | Value
|-
|-
! Total network !! Hawke's Bay, Taranaki & Manawatu !! Wellington metro
! Total network
|-
|-
| Total pipeline length
| Total pipeline length
| 5,941&nbsp;km || 3,154&nbsp;km || 2,753&nbsp;km
| 6,227&nbsp;km
|-
|-
| Intermediate pressure (700–2000&nbsp;kPa) || 277&nbsp;km || 109&nbsp;km || 168&nbsp;km
| Intermediate pressure (700–2000&nbsp;kPa) || 274&nbsp;km
|-
|-
| Medium pressure (7–700&nbsp;kPa) || 5,615&nbsp;km || 3,035&nbsp;km || 2,580&nbsp;km
| Medium pressure (7–700&nbsp;kPa) || 5,940&nbsp;km
|-
|-
| Low pressure (<7&nbsp;kPa) || 49&nbsp;km || 10&nbsp;km || 38&nbsp;km
| Low pressure (<7&nbsp;kPa) || 14&nbsp;km
|-
|-
| Customer connections || 106,776 || 44,734 || 62,042
| Customer connections || 113,478
|-
|-
| System maximum demand || 45.00&nbsp;TJ/day || 21.86&nbsp;TJ/day || 23.14&nbsp;TJ/day
| System maximum demand || 23,554 GJ per day
|-
|-
| System gas delivered || 8,786&nbsp;TJ || 4,993 TJ || 3,793 TJ
| System gas delivered || 8,625 TJ
|}
|}


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==External links==
==External links==
*{{official|http://www.powerco.co.nz/}}
*{{official website|http://www.powerco.co.nz/}}


{{Electricity companies in New Zealand}}
{{Electricity companies in New Zealand}}


[[Category:Power companies of New Zealand]]
[[Category:Electric power distribution network operators in New Zealand]]
[[Category:Oil and gas companies of New Zealand]]
[[Category:Oil and gas companies of New Zealand]]
[[Category:Energy companies established in 1999]]
[[Category:New Zealand companies established in 1999]]

Latest revision as of 04:39, 14 April 2024

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 in New 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 companies Queensland Investment Corporation and AMP Limited.[1]

Business[edit]

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 28,935 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 the New 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 to Genesis 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 to TrustPower
    • 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 from AGL.[3]
  • February 2002 - Powerco purchases the electricity assets of United Networks Limited in Tauranga, 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]
Parameter Value
Total network Eastern network
(Tauranga, Coromandel and South Waikato)		 Western network
(Taranaki, Whanganui, Manawatu and Wairarapa)
Total circuit length 28,935 km 10,993 km 17,942 km
50kV and 66kV 169 km 169 km –
33 kV 1,612 km 532 km 1,080 km
22 kV 122 km – 122 km
6.6kV to 11kV 16,781 km 6,051 km 10,730 km
Single wire earth return (SWER) 92 km 69 km 23 km
Low voltage (<1kV) 10,159 km 4,172 km 5,986 km
Street lighting 3,067 km 1,689 km 1,378 km
Customer connections 345,000
System maximum demand 986 MW 526 MW 464 MW
System electricity delivered 4,994 GWh 2,734 GWh 2,260 GWh

Gas network statistics[edit]

Powerco gas network statistics as of 30 September 2022[6]
Parameter Value
Total network
Total pipeline length 6,227 km
Intermediate pressure (700–2000 kPa) 274 km
Medium pressure (7–700 kPa) 5,940 km
Low pressure (<7 kPa) 14 km
Customer connections 113,478
System maximum demand 23,554 GJ per day
System gas delivered 8,625 TJ

References[edit]

  1. ^ "Powerco NZ Holdings Limited". Companies Register. Retrieved 14 August 2020.
  2. ^ a b c d e "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.

External links[edit]

Retrieved from "https://en.wikipedia.org/w/index.php?title=Powerco&oldid=1218840529"