P-5

Ancillary Service Prices, Day Ahead Market

10/29/2002

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)
00:001.751.41.4251.751.41.425
01:001.751.421.42251.751.421.4225
02:001.751.41.4251.751.41.425
03:001.751.41.4121.751.41.412
04:001.751.421.42121.751.421.4212
05:001.751.421.42121.751.421.4212
06:001.751.41.4201.751.41.420
07:001.751.41.4201.751.41.420
08:001.751.271.277.51.751.271.277.5
09:001.981.281.287.51.981.281.287.5
10:001.991.11.17.51.991.11.17.5
11:0031.21.27.531.21.27.5
12:004.251.251.257.54.251.251.257.5
13:004.251.251.257.54.251.251.257.5
14:004.251.271.277.54.251.271.277.5
15:004.251.271.277.54.251.271.277.5
16:005.50.720.727.55.50.720.727.5
17:005.50.720.72155.50.720.7215
18:004.250.720.72154.250.720.7215
19:002.51.251.257.52.51.251.257.5
20:001.981.151.15151.981.151.1515
21:001.991.271.27191.991.271.2719
22:0021.41.45321.41.453
23:0021.41.41921.41.419