Market Performance Report for November 2006
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Summary:
To facilitate dissemination of market information in a timely manner, the California ISO will be posting on a planned and scheduled monthly basis the Market Performance Report for the previous month. The intention is to publish the report mid-month for the previous month's market information. This Market Performance Report will be similar to the information provided to the Board and market, however available on a more consistently timed basis.
Extract:
Highlights for November 2006:
• The average load in November 2006 was 25,507 MW – about 250 MW or 1 percent below the average for October 2006.
• Natural gas prices rose slightly during November from October’s $7.00 to around $7.50 by month’s end.
• Bilateral electricity prices also increased, following the increasing gas prices.
• Scheduled outages increased to an average of 5,200 MW, up slightly from October’s 4,500 MW.
• Average real-time energy price increased slightly by 3% from $47.78/MWh to 49.25$/MWh over the past month. Incremental price increased 4% and decremental price increased 3%.
• The frequency of five-minute interval prices exceeding $250 remained relatively unchanged (88 in November vs. 87 in October).
• Re-dispatch volumes and costs of incremental OOS dispatch increased while decremental re-dispatch volumes and costs decreased.
• The average total cost of Ancillary Services increased 26% from October’s $0.43/MWh to $0.54/MWh in November. The number of bid insufficiency hours increased from October’s 3 to 14 in November.
• Total unit commitment costs reversed a 3-month decline, increasing by 32% from October’s $700,000 to $925,000 in November.
• Total inter-zonal congestion costs increased to $5 million in November from $3.4 million in October.
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