Wholesale electricity mrkt for week ending 17 July

media fact sheet

Wholesale electricity market summary for the week ending

17 July 2005

10-Jul 11-Jul 12-Jul 13-Jul 14-Jul 15-Jul 16-Jul 17-Jul
Sun Mon Tue Wed Thu Fri Sat Sun

Daily Average Reference Price (c/kWh)

Otahuhu 7.67 8.57 7.56 7.07 7.45 7.15 7.29 7.22
Haywards 8.00 8.73 7.66 7.25 7.65 7.39 7.52 7.56
Benmore 8.05 8.59 7.60 7.32 7.67 7.42 7.60 7.71
Haywards 1 month ago 7.48 7.59 8.44 8.06 8.01 8.58 8.22 7.81
Haywards 1 year ago 2.24 7.01 3.34 2.89 2.57 2.61 1.81 0.77

M-co Electricity Price Index (c/kWh)

New Zealand 7.97 8.02 7.96 7.81 7.72 7.69 7.71 7.66
New Zealand 1 month ago 7.68 7.78 7.87 7.87 7.81 7.96 8.06 8.09
New Zealand 1 year ago 2.23 2.86 3.14 3.37 3.54 3.54 3.19 3.01

10-Jul 11-Jul 12-Jul 13-Jul 14-Jul 15-Jul 16-Jul 17-Jul
Sun Mon Tue Wed Thu Fri Sat Sun

NZ Demand (GWh)

Total 101.9 121.3 119.0 114.5 113.8 110.8 104.3 101.2
7 days ago 104.5 118.1 117.9 117.4 117.9 111.1 102.7 101.9
7 day change -2.5% 2.76% 0.91% -2.54% -3.48% -0.29% 1.57% -0.63%
Total 1 month ago 105.0 109.5 112.7 110.7 110.3 108.2 98.2 98.2
Total 1 year ago 103.3 117.5 119.8 118.3 116.1 116.7 106.6 102.8

NZ Generation Output (GWh)

NI Hydro 16.0 22.9 21.9 21.2 19.9 22.0 20.9 19.2
NI Other 50.6 54.4 53.8 52.6 53.4 49.3 46.7 47.6
SI Hydro 38.4 47.8 47.4 44.5 44.3 43.1 39.9 37.6
Total 105.0 125.1 123.0 118.3 117.6 114.4 107.5 104.5
NI Hydro 1 month ago 14.6 19.6 21.2 20.9 21.1 21.3 17.0 16.2
NI Other 1 month ago 50.1 53.1 53.3 53.7 53.6 52.5 50.6 49.3
SI Hydro 1 month ago 43.5 49.5 49.8 49.3 49.2 49.0 41.8 37.3
NI Hydro 1 year ago 26.0 28.6 28.7 27.8 27.7 28.9 27.7 31.1
NI Other 1 year ago 25.8 33.9 36.2 36.6 34.6 34.0 29.1 27.4
SI Hydro 1 year ago 54.1 57.9 58.0 56.8 56.5 56.6 52.0 46.3

Inter-Island Transmission Transfers (GWh)

South to North 0.8 3.7 2.3 1.1 1.2 1.1 0.5 0.3
North to South 4.4 1.6 1.5 2.3 3.0 3.9 4.6 6.6
South to North 1 month ago 3.4 4.3 4.7 3.6 3.7 4.8 3.4 0.7
South to North 1 year ago 14.6 14.1 15.0 13.6 14.5 14.6 11.5 6.7

Hydrology (GWh)

Storage 2177 2160 2152 2154 2158 2155 2149 2143
% of average 84% 83% 83% 84% 84% 84% 84% 84%
Inflows (GWh/day) 52 47 65 62 67 67 55 51
% of average 94% 84% 118% 113% 121% 121% 99% 92%
Storage % of average 1 month ago 90% 89% 88% 87% 86% 86% 86% 86%
Storage % of average 1 year ago 140% 139% 138% 137% 138% 137% 138% 138%

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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