Wholesale electricity market, week ending 4 Sept
The Marketplace Company Limited
Home Page http://www.m-co.co.nz
Wholesale electricity market summary for the week ending
04 September 2005
28-Aug Sun / 29-Aug Mon / 30-Aug Tue / 31-Aug Wed / 1-Sep Thu / 2-Sep Fri / 3-Sep Sat / 4-Sep Sun
Daily Average Reference Price (c/kWh)
Otahuhu 6.67 7.27 7.45 7.05 7.66 8.10 7.96
7.33
Haywards 6.82 7.19 7.33 6.95 7.68 8.02 8.05
7.53
Benmore 6.68 6.95 7.06 6.76 7.57 7.84 7.94
7.44
Haywards 1 month ago 7.58 7.83 7.77 7.73 8.29 8.24
7.88 7.65
Haywards 1 year ago 4.05 4.50 3.86 3.79 2.49
3.30 2.98 2.90
M-co Electricity Price Index (c/kWh)
New
Zealand 6.93 6.98 7.06 7.12 7.28 7.51 7.61 7.74
New
Zealand 1 month ago 7.79 7.80 7.74 7.78 7.85 7.91 7.90
7.92
New Zealand 1 year ago 4.60 4.92 4.83 4.62 3.95 3.79
3.68 3.53
NZ Demand (GWh)
Total 101.0 112.4 113.2 110.6
109.7 108.8 100.9 97.4
7 days ago 98.8 111.9 113.4 114.2
114.3 112.1 104.4 101.0
7 day change 2.3% 0.48% -0.18%
-3.16% -3.99% -2.92% -3.38% -3.63%
Total 1 month ago
102.2 109.5 112.7 110.7 110.3 108.2 98.2 98.2
Total 1
year ago 110.4 123.5 122.2 120.9 117.2 117.7 107.0
102.0
NZ Generation Output (GWh)
NI Hydro 12.8 17.8 17.5
16.7 17.1 16.3 15.5 13.4
NI Other 48.0 49.5 50.3 50.5
51.3 50.8 46.3 46.7
SI Hydro 42.1 47.4 47.6 45.7 43.6
43.8 40.9 39.0
Total 102.9 114.7 115.4 112.8 111.9 110.9
102.7 99.1
NI Hydro 1 month ago 17.1 22.5 22.0 20.3 21.1
19.9 14.9 15.7
NI Other 1 month ago 50.6 52.2 52.1 53.5
54.7 54.5 52.9 51.5
SI Hydro 1 month ago 37.8 43.0 45.3
46.5 46.8 46.1 41.2 40.1
NI Hydro 1 year ago 24.6 27.2
27.4 28.4 28.7 28.5 25.7 24.2
NI Other 1 year ago 36.0
42.2 41.2 39.8 36.6 36.6 32.7 31.1
SI Hydro 1 year ago
52.1 57.2 56.5 55.8 54.8 55.4 51.0 48.9
Inter-Island Transmission Transfers (GWh)
South to North 3.3 6.6 6.9
5.0 3.6 3.8 2.3 2.2
North to South 0.2 0.3 0.0 0.2 1.3
0.2 0.3 0.5
South to North 1 month ago 0.9 1.4 3.3 4.0
4.2 4.2 2.1 1.8
South to North 1 year ago 10.9 12.8 11.9
14.0 11.9 12.5 11.4 10.7
Hydrology (GWh)
Storage 1906
1882 1860 1837 1829 1828 1821 1854
% of average 83% 82%
82% 81% 81% 81% 81% 82%
Inflows (GWh/day) 45.9 42.1 40.9
42.7 44.9 66.7 62.9 78.6
% of average 80% 73% 70% 73% 76%
112% 105% 129%
Storage % of average 1 month
ago 84%
84% 84% 83% 82% 81% 80% 80%
Storage % of average 1 year
ago 114% 112% 111% 113% 113% 112% 112% 111%
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
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. 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.
About M-co
M-co is a contracted provider of administration, pricing, clearing and information system services to the Electricity Commission.
ENDS