P-5

Ancillary Service Prices, Day Ahead Market

02/09/2004

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)
00:0030.380.389530.380.3895
01:000.20.20.2950.20.20.295
02:000.20.20.2200.20.20.220
03:000.20.20.2200.20.20.220
04:000.20.20.2200.20.20.220
05:001.991.11.1201.991.11.120
06:003.250.380.38203.250.380.3820
07:003.250.20.2753.250.20.275
08:003.250.20.2753.250.20.275
09:003.250.20.2753.250.20.275
10:003.250.20.2113.250.20.211
11:003.250.20.2113.250.20.211
12:003.250.20.2113.250.20.211
13:001.990.20.2111.990.20.211
14:000.20.20.2110.20.20.211
15:000.20.20.2110.20.20.211
16:003.250.170.17753.250.170.1775
17:003.250.170.17113.250.170.1711
18:003.250.160.16113.250.160.1611
19:003.250.160.16113.250.160.1611
20:003.250.160.16753.250.160.1675
21:003.250.160.16753.250.160.1675
22:000.190.190.19950.190.190.1995
23:000.20.20.2750.20.20.275