Powerco: Difference between revisions
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{{short description|New Zealand electricity and gas distribution company}} |
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{{Use New Zealand English|date=April 2024}} |
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{{Use dmy dates|date=April 2022}} |
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{{Infobox company |
{{Infobox company |
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| name |
| name = Powerco Limited |
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| logo |
| logo = |
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| type |
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| genre |
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| fate |
| fate = |
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| predecessor |
| predecessor = Taranaki Energy Limited |
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| successor |
| successor = |
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| foundation |
| foundation = 1999 |
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| founder |
| founder = |
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| defunct = |
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| defunct = |
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| location = |
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| location_city = [[New Plymouth]] |
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| area_served = 39,000 sq km<ref name="business" /> |
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| num_employees = 520 full-time equivalent |
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'''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. |
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'''Powerco''' is the second-largest [[natural gas|gas]] and [[electricity]] company based in [[New Zealand]].<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> The company is 58% owned by QIC Limited and 42% owned by [[Brookfield Infrastructure Partners]].<ref>{{cite web| url=http://www.powerco.co.nz/About-Us/Our-People/| title=Our People| date=28 July 2011| publisher=Powerco}}</ref> |
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Its networks are located in the North Island of New Zealand. |
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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. It currently (as of May 2011) has nearly 420,000 home and business connections in the [[Coromandel Peninsula|Coromandel]], Western Bay of Planty, Hauraki Plains, North-East and South Waikato, [[Taranaki Region|Taranaki]], [[Whanganui]], [[Rangitikei District|Rangitikei]], [[Manawatu]] and [[Wairarapa]]. The gas network includes Taranaki, Manawatu, Horowhenua, Wellington and Hawkes Bay.<ref name="business" /> |
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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> |
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==Business== |
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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. |
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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. |
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Its electricity network covers: |
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* Coromandel to South Waikato |
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* Bay of Plenty: Tauranga and Mount Maunganui |
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* Taranaki |
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* Whanganui and Rangitīkei |
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* Manawatū |
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* Wairarapa |
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Its gas network covers: |
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* Taranaki |
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* Hawke's Bay |
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* Manawatū |
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* Porirua and Hutt Valley |
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* Wellington |
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== Key dates == |
== Key dates == |
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* 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">http://web.archive.org/web/20010511053541/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> |
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* 1994 - Taranaki Energy acquired the Hawera Gas Company.<ref name="archive20010511"/> |
* 1994 - Taranaki Energy acquired the Hawera Gas Company.<ref name="archive20010511"/> |
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* October 1995 - Taranaki Energy Limited merges with Wanganui-based Powerco (the former Wanganui Electric Power Board) to become |
* October 1995 - Taranaki Energy Limited merges with Wanganui-based Powerco (the former Wanganui Electric Power Board) to become Powerco Limited.<ref name="archive20010511"/> |
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* September 1997 - Powerco acquires Hawera based Egmont Electricity.<ref name="archive20010511"/> |
* September 1997 - Powerco acquires Hawera based Egmont Electricity.<ref name="archive20010511"/> |
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* 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: |
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** 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) |
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* 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"/> |
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* June 2001 - Powerco purchases the Hutt Valley and Porirua gas networks from [[AGL Energy|AGL]].<ref>http://web.archive.org/web/20030227164137/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> |
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* February 2002 - Powerco purchases the |
* 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> |
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* 2004 - Powerco purchased Siemens Energy Services' Tauranga based contracting division |
* 2004 - Powerco purchased Siemens Energy Services' Tauranga based contracting division |
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* 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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==Electricity network statistics == |
==Electricity network statistics == |
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All data is as at or in the year to 31 March 2012 unless otherwise stated.<ref>{{cite web |url= http://www.powerco.co.nz/uploaded_files/Publications-and-Disclosures/Statutory-Documents/Asset-Disclosures/Powerco-AMP-2012.pdf |title= 2012 Asset Management Plan |publisher= Powerco |date= April 2012 |accessdate= 22 July 2012}}</ref> |
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{| class="wikitable" |
{| class="wikitable" |
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|+ 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> |
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! rowspan=2| Parameter |
! rowspan=2| Parameter |
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! colspan=4| Value |
! colspan=4| Value |
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! Total network !! Eastern network <br><small>(Tauranga, Coromandel and South Waikato)</small> !! Western network <br><small>(Taranaki |
! Total network !! Eastern network <br /><small>(Tauranga, Coromandel and South Waikato)</small> !! Western network <br /><small>(Taranaki, Whanganui, Manawatu and Wairarapa)</small> |
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| Total circuit length || 28,935 km || 10,993 km || 17,942 km |
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| 50kV and 66kV || 169 km || 169 km || – |
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| Total circuit length || {{convert|29923|km|abbr=on}} || {{convert|12087|km|abbr=on}} || {{convert|9381|km|abbr=on}} || {{convert|8455|km|abbr=on}} |
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| 33 kV || 1,612 km || 532 km || 1,080 km |
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| 22 kV || 122 km || – || 122 km |
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| 33 kV subtransmission || {{convert|1451|km|abbr=on}} || {{convert|439|km|abbr=on}} || colspan=2| {{convert|1011|km|abbr=on}} |
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| 6.6kV to 11kV || 16,781 km || 6,051 km || 10,730 km |
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| 22 kV distribution || {{convert|121|km|abbr=on}} || – || colspan=2| {{convert|121|km|abbr=on}} |
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| [[Single wire earth return]] (SWER) || 92 km || 69 km || 23 km |
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| 11 kV distribution || {{convert|15984|km|abbr=on}} || {{convert|5766|km|abbr=on}} || colspan=2| {{convert|10218|km|abbr=on}} |
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| Low voltage (<1kV) || 10,159 km || 4,172 km || 5,986 km |
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| 6.6 kV distribution || {{convert|423|km|abbr=on}} || – || colspan=2| {{convert|423|km|abbr=on}} |
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| Street lighting || 3,067 km || 1,689 km || 1,378 km |
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| Low voltage (400 V) distribution || {{convert|11623|km|abbr=on}} || {{convert|5663|km|abbr=on}} || colspan=2| {{convert|5960|km|abbr=on}} |
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| Customer connections || 345,000 || || |
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| Street lighting || {{convert|2590|km|abbr=on}} || {{convert|1264|km|abbr=on}} || colspan=2| {{convert|1326|km|abbr=on}} |
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| System maximum demand || 986 MW || 526 MW || 464 MW |
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| Hot water pilots || {{convert|815|km|abbr=on}} || {{convert|188|km|abbr=on}} || colspan=2| {{convert|627|km|abbr=on}} |
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| System electricity delivered || 4,994 GWh || 2,734 GWh || 2,260 GWh |
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| Percentage of network underground || 25.4% || 36.5% || colspan=2| 17.9% |
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|} |
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==Gas network statistics == |
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{| class="wikitable" |
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|- |
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|+ 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> |
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| colspan=5| '''Generation, substations and transformers''' |
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! rowspan=2| Parameter |
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| Number of grid exit points supplying network || 25 || 8 || 12 || 5 |
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! Total network |
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| Number of embedded generators || 14 || 3 || 7 || 4 |
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| Total pipeline length |
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| Installed embedded generation capacity || 203.5 MW || 72 MW || 54 MW || 77.5 MW |
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| 6,227 km |
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| Intermediate pressure (700–2000 kPa) || 274 km |
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| Number of zone substations (66kV/33kV to 22/11/6.6kV) || 117 || 46 || colspan=2| 71 |
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| Medium pressure (7–700 kPa) || 5,940 km |
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| Number of distribution transformers (22/11/6.6kV to 400V) || 32,424 || 13,085 || colspan=2| 19,339 |
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| Low pressure (<7 kPa) || 14 km |
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| colspan=5| '''Consumption''' |
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| Customer connections || |
| Customer connections || 113,478 |
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| System maximum demand |
| System maximum demand || 23,554 GJ per day |
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| System |
| System gas delivered || 8,625 TJ |
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| Load factor || 74.7% || 72.4% || 64.7% || 62.4% |
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* The individual system maximum demand of the three networks do not add up to the total system maximum demand, as maximum demand in each region does not occur simultaneously. |
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==References== |
==References== |
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==External links== |
==External links== |
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* |
*{{official website|http://www.powerco.co.nz/}} |
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{{Electricity companies in New Zealand}} |
{{Electricity companies in New Zealand}} |
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[[Category: |
[[Category:Electric power distribution network operators in New Zealand]] |
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[[Category:Oil and gas companies of New Zealand]] |
[[Category:Oil and gas companies of New Zealand]] |
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[[Category:Energy companies established in 1999]] |
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[[Category:New Zealand companies established in 1999]] |
Latest revision as of 04:39, 14 April 2024
Industry | Energy |
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Predecessor | Taranaki Energy Limited |
Founded | 1999 |
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.
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]
Parameter | Value | |||
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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]
Parameter | Value | |
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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]
- ^ "Powerco NZ Holdings Limited". Companies Register. Retrieved 14 August 2020.
- ^ a b c d e "Powerco Limited". www.powerco.co.nz. Archived from the original on 11 May 2001. Retrieved 12 January 2022.
- ^ "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.
- ^ "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.
- ^ "Electricity disclosure 1 April 2021 - 31 March 2022" (PDF). 2022. Retrieved 7 October 2018.
- ^ "Gas disclosure 1 October 2021 - 30 September 2022" (PDF). Retrieved 7 October 2018.