Meridian Annual Report - Meridian Energy

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6 Our Operations <strong>Meridian</strong> is New Zealand’s largest electricity generator, supplying electricity to over 180,000 residential, business and rural customers throughout the country. Our electricity is generated from renewable resources. Currently we operate nine hydro stations in the South Island, two wind farms, one in the Manawatu in the lower North Island and one in Mossburn in Southland and a wind turbine in Wellington. Assets Te Āpiti Wind Farm Te Āpiti is <strong>Meridian</strong>’s first New Zealand wind farm and the first wind farm to supply electricity into New Zealand’s national grid. Its 55 turbines have a generation capacity of 90MW – enough to power around 32,000 average sized households. Wellington Wind Turbine New Zealand’s first viable, commercial wind turbine, it was installed in 1993 and has a maximum capacity of 0.23MW – enough to power around 80 average households. White Hill Wind Farm White Hill in Southland is the first wind farm in the South Island. It was officially opened on 8 June 2007. Its 29 turbines have a generation capacity of 58MW – enough electricity to power around 20,000 average households. Manapouri New Zealand’s largest hydro power station, Manapouri was voted New Zealand’s greatest engineering achievement in 2006. The station is underground, 200 metres below the West Arm of Lake Manapouri. Commissioned in 1972, Manapouri’s generation capacity of 840MW (operational limit is 710MW) is enough to power around half a million average households. Waitaki Hydro Scheme The Waitaki hydro scheme consists of eight power stations in the Mackenzie basin and Waitaki Valley, from Lake Tekapo to Lake Waitaki, all operated from a control centre in Twizel. The first station (Waitaki) was commissioned in 1935, and the last (Ohau C) in 1985. Tekapo A Commissioned in 1951, Tekapo A was the second power station in the Waitaki Hydro Scheme. Its generation capacity of 25MW is enough to power around 15,000 average households. Tekapo B Commissioned in 1977, the Tekapo B power station is essentially an island in the middle of Lake Pukaki, connected to shore by a 75-metre-long bridge. Its generation capacity of 160MW is enough to power around 83,000 average households. Ohau A Ohau A is located on the man-made Ohau canal. Water from Ohau A passes into Lake Ruataniwha, which is the site of an international rowing course. Commissioned in 1979/80, Ohau A’s generation capacity of 264MW is enough to power around 110,000 average households. Ohau B and C Twin stations Ohau B and C were the last power stations in the Waitaki hydro scheme to be commissioned, in 1984 and 1985 respectively. Their combined generation capacity of 424MW is enough to power around 185,000 average households. Benmore When Benmore power station was commissioned in 1965 it was the largest dam in the Southern Hemisphere. Benmore’s generation capacity of 540MW is enough to power around 215,000 average households. Aviemore Aviemore power station was commissioned in 1968. It houses New Zealand’s first artificial trout spawning stream, allowing fish to reach spawning grounds above the dam. Its generation capacity of 220MW is enough to power around 90,000 average households. Waitaki The first power station on the Waitaki river was built with picks and shovels during the 1930s Depression. Commissioned in 1935, Waitaki’s generation capacity of 90MW is enough to power around 47,000 average households.
7< Project Gumfields Auckland Mohaka Te Āpiti Mokihinui Nelson Wellington – Project West Wind – Brooklyn Christchurch Ohau A Ohau B Ohau C Benmore Aviemore Tekapo A Tekapo B Twizel Hunter Downs Irrigation Waitaki North Bank Tunnel Concept Manapouri Project Hayes White Hill
Page 1 and 2: Meridian Annual Report for the year
Page 3: 1< Innovation We launched Right Hou
Page 6 and 7: 2 A time of challenge and opportuni
Page 8 and 9: 4 Chairman’s and Chief Executive
Page 12 and 13: 8 Our Operations cont Under Constru
Page 14 and 15: 10 Generation The winter of 2008 wa
Page 16 and 17: 12 Retail Transforming our customer
Page 18 and 19: Our Year in Review >14
Page 20 and 21: 16 Our Year in Review cont Our Peop
Page 22 and 23: 18 Our Year in Review cont Meridian
Page 24 and 25: 20 Our Year in Review cont In addit
Page 26 and 27: 22 Our Year in Review cont Meridian
Page 28 and 29: 24 Our Year in Review cont In the M
Page 30 and 31: Our Subsidiaries >26
Page 32 and 33: 28 Board of Directors Wayne Boyd (C
Page 34 and 35: 30 Tim Lusk (Chief Executive) Prior
Page 36 and 37: Financials >32
Page 38 and 39: 34 Economic Overview and 2007/08 Fi
Page 40 and 41: 36 Meridian Energy Limited — Stat
Page 42 and 43: 38 Meridian Energy Limited — Inco
Page 44 and 45: 40 Meridian Energy Limited — Bala
Page 46 and 47: 42 Meridian Energy Limited — Note
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84 Report from the Audit Office Aud
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86 Statutory Information Group Dire
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88 Statutory Information (continued
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90 Meridian Energy Management’s i
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92 Tonnes of CO2 Meridian Energy Ag
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94 Notes on tables Notes on electri
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96 GRI Sustainability Reporting Ind
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98 DIRECTORY Registered Office Leve
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