P-5

Ancillary Service Prices, Day Ahead Market

03/10/2003

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)
00:0032.451.42401.991.421.4240
01:0032.51.4401.991.41.440
02:0032.51.415.51.991.41.415.5
03:0032.51.415.51.991.41.415.5
04:0032.51.415.51.991.41.415.5
05:0032.51.42301.991.421.4230
06:0032.512.514532.512.5145
07:004.252.392.39304.252.392.3930
08:00452.522.5245452.522.5245
09:004.252.521.64452.31.641.6445
10:00452.521.48.4451.41.48.4
11:00451.91.48.4451.41.48.4
12:0041.951.48.42.31.41.48.4
13:0041.251.258.441.251.258.4
14:0041.251.258.441.251.258.4
15:0041.41.48.441.41.48.4
16:0041.41.42041.41.420
17:004.251.41.4204.251.41.420
18:004.251.451.45204.251.451.4520
19:004.251.421.42204.251.421.4220
20:004.251.41.4204.251.41.420
21:002.51.251.25452.51.251.2545
22:002.51.271.27402.51.271.2740
23:002.51.251.15402.31.151.1540