P-5

Ancillary Service Prices, Day Ahead Market

02/25/2003

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)
00:002.51.251.2401.751.21.240
01:001.31.31.2401.31.31.240
02:001.31.31.2131.31.31.213
03:001.31.31.2131.31.31.213
04:001.31.31.2131.31.31.213
05:002.52.51.2301.751.751.230
06:002.51.251.2302.31.21.230
07:002.51.421.42302.51.421.4230
08:0031.41.4831.41.48
09:0031.41.4831.41.48
10:0031.41.4831.41.48
11:002.31.281.2882.31.281.288
12:0031.251.25831.251.258
13:0031.251.25831.251.258
14:0031.251.25831.251.258
15:0031.251.25831.251.258
16:0031.21.21831.21.218
17:004.251.421.42184.251.421.4218
18:004.251.451.45204.251.451.4520
19:004.251.451.45184.251.451.4518
20:0031.41.41831.41.418
21:002.31.151.15402.31.151.1540
22:002.31.21.2402.31.21.240
23:002.31.251.2402.31.21.240