Territory Stories

Annual power system review : December 2007

Details:

Title

Annual power system review : December 2007

Collection

Power system review; Reports; PublicationNT

Date

2007

Notes

Cover title.; Made available via the Publications (Legal Deposit) Act 2004 (NT).

Language

English

Subject

Electric utilities -- Northern Territory -- Periodicals; Power resources -- Northern Territory -- Periodicals

Publisher name

Northern Territory. Utilities Commission

Place of publication

Darwin

Copyright owner

Northern Territory. Utilities Commission

Parent handle

https://hdl.handle.net/10070/230641

Citation address

https://hdl.handle.net/10070/670850

Page content

2007 Power System Review Page 21 Utilities Commission December 2007 Darwin-Katherine regulated system 5.19 Table 5.5 indicates the reserve position of the Darwin-Katherine system at the N-1 standard and N-2 standard, based on the Commissions medium term forecast of demand and its baseline capacity projection. Table 5.5 Medium Term Supply-Demand Balance Forecast Darwin-Katherine (MW) Financial Year Total Capacity N-1 N-2 Peak Demand Reserve Margin over N-1 Reserve Margin over N-2 2007-08 380.2 332.6 285.0 266.4 66 19 2008-09 412.7 365.1 317.5 277.0 88 41 2009-10 412.7 365.1 317.5 290.0 75 28 2010-11 412.7 365.1 317.5 298.7 66 19 5.20 For the Darwin-Katherine regulated system, demand is comfortably met for the entire period at both the N-1 and N-2 standards, with each years reserve margin over N-1 at least 66MW. This assessment is subject to the qualification that the availability of the first two units at Weddell will be as currently advised by Power and Water (40MW in 2007-08 and 40MW in 2008-09). Alice Springs regulated system 5.21 Table 5.6 indicates the reserve position of the Alice Springs system at N-1 and N-2. Table 5.6 Medium Term Supply-Demand Balance Forecast Alice Springs (MW) Financial Year Total Capacity N-1 N-2 Peak Demand Reserve Margin over N-1 Reserve Margin over N-2 2007-08 71.1 59.4 49.3 54.8 5 -5 2008-09 79.1 67.4 57.3 55.9 12 1 2009-10 79.1 67.4 57.3 57.0 10 0 2010-11 87.1 75.4 65.3 58.2 17 7 5.22 At N-1, reserve conditions are adequate through to 2010-11. Based on the Commissions demand forecasts, additional capacity is required within the current financial year in order to satisfy the N-2 reserve standard. Tennant Creek regulated system 5.23 Table 5.7 indicates the reserve position in Tennant Creek at N-1 and N-2. Table 5.7 Medium Term Supply-Demand Balance Forecast Tennant Creek (MW) Financial Year Total Capacity N-1 N-2 Peak Demand Reserve Margin over N-1 Reserve Margin over N-2 2007-08 17.7 13.8 11.8 7.0 7 5 2008-09 17.7 13.8 11.8 7.1 7 5 2009-10 17.7 13.8 11.8 7.2 7 5 2010-11 17.7 13.8 11.8 7.3 6 4


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