P-5

Ancillary Service Prices, Day Ahead Market

02/21/2003

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)
00:002.52.51.4401.751.751.440
01:001.751.751.4451.751.751.445
02:001.751.751.4131.751.751.413
03:001.351.351.35131.351.351.3513
04:001.751.751.4131.751.751.413
05:001.751.751.4301.751.751.430
06:0032.511.42302.31.421.4230
07:002.51.421.42302.31.421.4230
08:0031.41.41831.41.418
09:0031.421.421831.421.4218
10:0031.41.4831.41.48
11:0031.271.27831.271.278
12:0031.271.27831.271.278
13:0031.271.27831.271.278
14:0031.271.27831.271.278
15:0031.281.28831.281.288
16:0031.271.271831.271.2718
17:0031.261.26831.261.268
18:0031.421.421831.421.4218
19:0031.421.42831.421.428
20:0031.281.281831.281.2818
21:002.51.41.4402.51.41.440
22:0031.41.44031.41.440
23:0032.51.42402.31.421.4240