P-5

Ancillary Service Prices, Day Ahead Market

02/27/2004

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)
00:003.251.251.25753.251.251.2575
01:003.251.261.26753.251.261.2675
02:003.251.261.26203.251.261.2620
03:0031.261.262031.261.2620
04:0031.261.262031.261.2620
05:0031.261.262031.261.2620
06:003.251.261.26203.251.261.2620
07:003.250.20.2113.250.20.211
08:003.250.20.2113.250.20.211
09:003.250.370.37113.250.370.3711
10:003.250.350.35113.250.350.3511
11:003.250.20.2113.250.20.211
12:0030.20.21130.20.211
13:001.990.20.2111.990.20.211
14:000.20.20.2110.20.20.211
15:000.20.20.2110.20.20.211
16:001.990.180.18751.990.180.1875
17:003.250.20.2753.250.20.275
18:003.250.20.2113.250.20.211
19:003.250.20.2113.250.20.211
20:003.250.160.16113.250.160.1611
21:003.250.20.2753.250.20.275
22:000.190.190.19990.190.190.1999
23:000.20.20.2750.20.20.275