P-5

Ancillary Service Prices, Day Ahead Market

02/18/2003

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)
00:001.751.41.4451.751.41.445
01:001.351.351.35451.351.351.3545
02:001.351.351.35131.351.351.3513
03:001.351.351.35131.351.351.3513
04:001.351.351.35131.351.351.3513
05:0032.451.42291.751.421.4229
06:00151.421.4229151.421.4229
07:002.51.41.482.51.41.48
08:0031.271.27831.271.278
09:0031.281.28831.281.288
10:0031.251.25831.251.258
11:0031.251.25831.251.258
12:0031.251.25831.251.258
13:0031.251.25831.251.258
14:0031.251.25831.251.258
15:0031.261.26831.261.268
16:004.251.21.284.251.21.28
17:00151.41.418151.41.418
18:00151.41.420151.41.420
19:004.251.281.28184.251.281.2818
20:0031.251.251831.251.2518
21:002.51.271.27402.51.271.2740
22:002.51.261.26402.51.261.2640
23:002.51.261.26402.51.261.2640