P-5

Ancillary Service Prices, Day Ahead Market

02/26/2003

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)
00:002.52.51.2401.751.751.240
01:002.52.51.2401.751.751.240
02:002.52.51.215.51.751.751.215.5
03:002.52.51.215.51.751.751.215.5
04:002.442.441.215.51.751.751.215.5
05:002.52.51.2301.751.751.230
06:002.522.521.42302.32.31.4230
07:002.522.521.45302.31.451.4530
08:0031.41.42031.41.420
09:0031.41.42031.41.420
10:0031.41.48.431.41.48.4
11:0031.41.48.431.41.48.4
12:002.751.281.288.42.751.281.288.4
13:002.751.271.278.42.751.271.278.4
14:002.31.271.278.42.31.271.278.4
15:002.751.281.288.42.751.281.288.4
16:0031.41.41831.41.418
17:0031.41.42031.41.420
18:004.251.41.4204.251.41.420
19:0031.41.42031.41.420
20:002.751.281.28182.751.281.2818
21:002.51.41.4402.51.41.440
22:002.51.451.45402.51.451.4540
23:002.52.51.26402.32.31.2640