P-5

Ancillary Services Prices, Day Ahead Market

05/23/2007

Time StampEastWest
10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)
00:000.20.20.2450.20.20.245
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.20.20.2450.20.20.245
06:000.250.250.2550.830.250.250.2550.83
07:006.864.60.5506.864.60.550
08:0074.60.55074.60.550
09:0074.60.55074.60.550
10:009.573.07251.58.52251.5
11:009.583.08251.58.52251.5
12:009.863.36251.58.52251.5
13:0010.323.82251.58.52251.5
14:0010.714.21251.58.52251.5
15:008.833.08251.58.52.75251.5
16:008.53.06251.58.53.06251.5
17:008.53.06251.58.53.06251.5
18:007.033.060.55073.030.550
19:007.573.060.55072.490.550
20:009.583.080.55070.50.550
21:0073.080.54773.080.547
22:003.273.270.5473.273.270.547
23:000.250.250.25470.250.250.2547