P-5

Ancillary Service Prices, Day Ahead Market

10/31/2002

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)
00:001.751.281.28251.751.281.2825
01:001.741.41.4251.741.41.425
02:001.41.41.4251.41.41.425
03:001.41.41.4121.41.41.412
04:001.41.41.4121.41.41.412
05:001.741.41.4121.741.41.412
06:001.751.41.4201.751.41.420
07:001.751.251.25161.751.251.2516
08:001.751.251.25201.751.251.2520
09:001.751.251.25161.751.251.2516
10:001.751.11.1201.751.11.120
11:003.751.21.27.53.751.21.27.5
12:003.751.21.27.53.751.21.27.5
13:003.751.251.257.53.751.251.257.5
14:003.751.281.287.53.751.281.287.5
15:003.751.281.287.53.751.281.287.5
16:003.751.71.357.51.991.351.357.5
17:003.751.71.47.51.991.41.47.5
18:003.751.71.47.51.991.41.47.5
19:002.51.151.157.52.51.151.157.5
20:001.991.251.257.51.991.251.257.5
21:001.751.251.25531.751.251.2553
22:001.751.271.27531.751.271.2753
23:0021.41.41921.41.419