CCGT Plants in New Zealand
Huntly e3p
Location: Waikato
Operator: Genesis Energy
Configuration: 385-MW, 1+1 CC block with M701F gas turbine
Operation: 2007
Fuel: natural gas
HRSG supplier: Downer Engineering
T/G supplier: MHI, Melco
EPC: MHI, Downer Engineering
Quick facts: This project cost $NZ530mn and went commercial on 27 Aug 2007. The equipment including the 372t gas turbine took five days to haul from Auckland Port to the site and required the permanent upgrading and reinforcement of the access road and Tainui Bridge.  Genesei Energy and MHI entered into a 12yr maintenance agreement for the power train. The triple-flow horizontal HRSG is of NEM design.

Photograph courtesy of Genesis Energy
Posted 1 Sep 2007

McKee Waitara
Location: Taranaki
Operator: Nova Energy Ltd
Configuration: 2 X 50-MW LM6000PC-S gas turbine CHP
Fuel: natural gas
Operation: 2013
T/G supplier: GE, Meidensha
EPC: Forge Group Ltd
Quick facts: In Dec 2010, Todd Corp announced that it would build a NZ$100mn gas-fired power station alongside its McKee oil and gas production station near Waitara. The power station can be operated remotely and has black-start capability.

Photograph courtesy of Forge Group Ltd
Posted 12 Jan 2013

Otahuhu-A
Location: Auckland
Operator: Contact Energy Ltd
Configuration: 4 X 48 MW GT120, 2 X 52-MW Olympus gas turbines
Operation: 1968-1979 (ret)
Fuel: distillate oil, natural gas
T/G supplier: ABB Stal, ASEA, Rolls-Royce, Brush
EPC: BBC, Curtiss-Wright
Quick facts: Otahuhu-A phase 1 was built in1968 and was the biggest gas turbine in Australasia for three years. Two more units were added about 10yrs later. The plant was first owned by the New Zealand Electricity Dept, then Electricity Corp of New Zealand and finally Contact Energy, which took over in 1996. Otahuhu-A was decommissioned in 1999 but when the Auckland power crisis hit in 2001 they were put back into action. Otahuhu-A was closed for good on 30 Nov 2013. This image is from across the Tamaki River and was teken in Jun 1972.

Photograph by Bruce Cook and courtesy of manukau.infospecs.co.nz
Posted 7 Oct 2015

Otahuhu-B
Location: Auckland
Operator: Contact Energy Ltd
Configuration: 404-MW single-shaft CCGT with V94.3A2 gas turbine
Operation: 1999 (ret)
Fuel: natural gas
HRSG supplier: Nooter
T/G supplier: Siemens
EPC: Siemens
Quick facts: When commissioned in Dec 1999, this was the world largest and most efficient single-shaft CCGT plant. In 2005, Otahuhu-B was uprated from its 380-MW original capacity to 404 MW. The V943.A GT at this plant is 12m long, 5.5m tall, and weighs 308t. Otahuhu-B was closed on 30 Sep 2015 due to poor market conditions. The 37ha site is zoned for comercial and industrial use.

Photograph courtesy of Contact Energy Ltd
Posted 13 Oct 2010

Southdown
Location: Auckland
Operator: Mighty River Power Co Ltd
Configuration: 118-MW, 2+1 CCGT with LM6000PC gas turbines
Operation: 1996
Fuel: natural gas
HRSG supplier: Innovative
T/G supplier: GE, Stal, Brush
EPC: S&S Energy Products
Quick facts: This CHP plant was originally built with LM6000PA gas turbines by TransAlta Energy and Mercury Energy. The first block was completed in Dec 1996 with Barclays de Zoete Wedd acting as underwriter. Mighty River acquired Southdown in Dec 2002. Up to 26t/hr of process steam is supplied to an adjacent recycled-paper mill. A single 45-MW LM6000C simple-cycle machine was added in 2007.

Photograph courtesy of S&S Energy Products
Posted 4 May 2002

Taranaki
Location: Taranaki
Operator: Contact Energy Ltd
Configuration: 377-MW single-shaft CCGT with GT26A/B gas turbine
Operation: 1998
Fuel: natural gas
HRSG supplier: ABB
T/G supplier: ABB
EPC: S&W, Fletcher
Quick facts: In 2005, this block was uprated from its 357-MW original capacity to 477 MW.

Photograph courtesy of Contact Energy Ltd
Posted 13 Oct 2010

 
Te Rapa Cogen
Location: Waikato
Operator: Contact Energy Ltd
Configuration: 1 X 45 MW 6001B gas turbine CHP
Operation: 2000
Fuel: natural gas
T/G supplier: GEC Alstom
EPC: GEC Alstom
Quick facts: In Feb 1998, GEC Alsthom received a turnkey order for this cogeneration project at the New Zealand Cooperative Dairy Te Rapa plant near Hamilton. Thermal production is up to 120 tph of steam. Beca was owner's engineer.

Photograph courtesy of Beca
Posted 7 Oct 2015

Whirinaki
Location: Hawke's Bay
Operator: Contact Energy Ltd
Configuration: 3 X 52-MW FT8 gas turbines
Operation: 2004
Fuel: diesel oil
T/G supplier: Pratt & Whitney
EPC: Pratt & Whitney, Capital Turbines, McMahon Engineering
Quick facts: In 2005, this block was uprated from its 357-MW original capacity to 477 MW.

Photograph courtesy of McMahon Engineering
Posted 7 Oct 2015

Abbreviations

Data: industcards, Platts UDI World Electric Power Plants Data Base

Updated 07-Oct-2015

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