P-5

Ancillary Service Prices, Day Ahead Market

02/17/2003

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)
00:0031.41.44531.41.445
01:001.351.351.35451.351.351.3545
02:001.351.351.35131.351.351.3513
03:001.351.351.35131.351.351.3513
04:001.351.351.35131.351.351.3513
05:0032.451.42291.991.421.4229
06:00151.421.4229151.421.4229
07:00201.41.431201.41.431
08:00201.41.431201.41.431
09:00201.41.431201.41.431
10:00201.281.288201.281.288
11:00201.41.48201.41.48
12:00201.281.288201.281.288
13:00201.281.288201.281.288
14:00201.281.288201.281.288
15:00201.41.48201.41.48
16:00201.271.2729201.271.2729
17:00201.41.431201.41.431
18:00201.41.431201.41.431
19:00201.41.445201.41.445
20:00201.271.2745201.271.2745
21:00451.281.2865451.281.2865
22:00451.421.4295451.421.4295
23:00451.421.4295451.421.4295