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WECC JSIS

WECC JSIS. April 2012. System Events. Summary of WECC Events. March 24, 2012 @ 15:37 – Alberta Separation March 30, 2012 @ 10:20 – 1,600 MW generation loss in WAPA CM, including both Laramie River units March 30, 2012 @ 16:05 – 952 MW generation loss at Grand Coulee

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WECC JSIS

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  1. WECC JSIS April 2012

  2. System Events

  3. Summary of WECC Events • March 24, 2012 @ 15:37 – Alberta Separation • March 30, 2012 @ 10:20 – 1,600 MW generation loss in WAPA CM, including both Laramie River units • March 30, 2012 @ 16:05 – 952 MW generation loss at Grand Coulee • April 6, 2012 @ 9:38 – AC RAS event, drop about 1,400 MW of generation • April 20, 2012 @ 15:37 – AC RAS event, drop 1,643 MW of generation

  4. Alberta Separation

  5. Frequency Response Summary Dot size is proportional to size of generation drop Blue = nadir, Red = settle

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