Wholesale electricity market: Week ending 9 Oct

Wholesale electricity market summary for the week ending
09 October 2005

2-Oct 3-Oct 4-Oct 5-Oct 6-Oct 7-Oct 8-Oct 9-Oct

Daily Average Reference Price (c/kWh)
Otahuhu 6.22 6.91 6.65 7.06 6.71 6.80 8.26 7.55
Haywards 6.27 6.80 6.66 7.19 6.92 7.12 8.56 7.78
Benmore 6.14 6.66 6.55 7.10 6.92 7.14 8.43 7.61
Haywards 1 month ago 7.53 7.23 7.27 6.28 7.24 7.46 6.84 6.67
Haywards 1 year ago 3.94 4.91 3.76 3.86 4.20 4.14 4.14 4.25

M-co Electricity Price Index (c/kWh)
New Zealand 6.78 6.89 6.92 6.94 6.95 7.09 7.38 7.52
New Zealand 1 month ago 7.74 7.74 7.76 7.67 7.63 7.56 7.42 7.32
New Zealand 1 year ago 4.07 4.32 4.20 4.20 4.20 4.21 4.28 4.29

NZ Demand (GWh)
Total 92.2 107.3 107.9 111.1 110.9 108.1 101.0 98.8
7 days ago 95.2 108.7 109.6 109.1 110.5 106.0 95.2 92.2
7 day change -3.1% -1.29% -1.54% 1.79% 0.37% 1.99% 6.03% 7.17%
Total 1 month ago 97.4 109.5 112.7 110.7 110.3 108.2 98.2 98.2
Total 1 year ago 93.7 112.9 107.7 106.7 111.5 107.5 97.5 96.6

NZ Generation Output (GWh)
NI Hydro 12.6 19.0 18.8 21.4 22.5 22.0 23.6 21.2
NI Other 43.0 46.9 48.0 48.4 48.7 48.1 37.9 39.4
SI Hydro 38.2 43.9 43.5 43.9 42.3 40.5 41.7 40.0
Total 93.8 109.7 110.3 113.7 113.5 110.7 103.2 100.6
NI Hydro 1 month ago 13.4 15.9 16.1 16.6 15.3 16.0 11.1 10.6
NI Other 1 month ago 46.7 50.8 50.7 46.7 48.5 46.3 48.3 46.9
SI Hydro 1 month ago 39.0 45.4 46.8 48.5 52.1 51.1 43.3 43.0
NI Hydro 1 year ago 17.4 22.6 20.9 21.3 22.1 21.9 22.1 22.1
NI Other 1 year ago 29.8 37.6 38.3 38.9 39.3 35.4 30.6 30.4
SI Hydro 1 year ago 48.2 55.3 50.3 48.2 52.5 52.5 46.8 46.2

Inter-Island Transmission Transfers (GWh)
South to North 3.7 4.7 2.9 3.3 1.5 0.9 3.1 3.2
North to South 0.5 1.1 0.6 2.9 2.3 3.1 1.5 0.0
South to North 1 month ago 2.2 5.2 5.7 7.6 10.1 9.8 5.7 5.6
South to North 1 year ago 13.0 14.8 10.3 8.3 12.4 13.3 10.8 10.6

Hydrology (GWh)
Storage 1999 2005 2032 2045 2044 2043 2046 2037
% of average 88% 88% 89% 89% 89% 89% 88% 88%
Inflows (GWh/day) 71.3 77.4 87.9 83.4 68.7 63.9 66.0 61.9
% of average 95% 102% 115% 108% 89% 82% 84% 78%
Storage % of average 1 month ago 82% 85% 89% 93% 94% 95% 95% 95%
Storage % of average 1 year ago 94% 93% 93% 93% 93% 92% 92% 92%

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About M-co

M-co is a contracted provider of administration, pricing, clearing and information system services to the Electricity Commission.

The M-co Electricity Price Index is a demand weighted seven-day rolling average that smoothes out price volatility distortions. The wholesale electricity price differs from the retail electricity price, which is the price domestic consumers see on their electricity bill. The wholesale price is only one of the factors that influence retail prices.

The above information has been prepared for the purposes of media release only. All due care has been taken in the production of this information; however, M-co accepts no responsibility or liability for the accuracy of the information contained in this media release.

ENDS

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