P-5

Ancillary Service Prices, Day Ahead Market

02/20/2003

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)
00:0032.451.42951.991.421.4295
01:001.351.351.35951.351.351.3595
02:001.351.351.35131.351.351.3513
03:001.351.351.35131.351.351.3513
04:001.351.351.35131.351.351.3513
05:001.751.751.42451.751.751.4245
06:0032.51.42302.31.421.4230
07:002.51.451.45302.51.451.4530
08:0031.421.421831.421.4218
09:004.251.421.42184.251.421.4218
10:004.251.41.484.251.41.48
11:004.251.41.484.251.41.48
12:004.251.41.484.251.41.48
13:004.251.41.484.251.41.48
14:004.251.281.2884.251.281.288
15:004.251.41.484.251.41.48
16:0031.281.281831.281.2818
17:004.251.41.4184.251.41.418
18:004.251.41.4204.251.41.420
19:004.251.421.42184.251.421.4218
20:0031.41.4831.41.48
21:002.51.41.4402.51.41.440
22:002.51.271.27402.51.271.2740
23:002.51.281.28402.51.281.2840