P-5

Ancillary Service Prices, Day Ahead Market

02/23/2004

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)
00:001.11.10.2600.20.20.260
01:002.522.520.2600.20.20.260
02:002.522.520.2200.20.20.220
03:002.522.520.2200.20.20.220
04:002.522.520.2200.20.20.220
05:002.522.520.2200.20.20.220
06:003.2510.2201.990.20.220
07:003.250.190.19113.250.190.1911
08:003.250.20.2113.250.20.211
09:003.250.20.2113.250.20.211
10:003.250.20.2113.250.20.211
11:003.250.180.18113.250.180.1811
12:003.250.170.17113.250.170.1711
13:003.250.170.17113.250.170.1711
14:003.250.160.16113.250.160.1611
15:003.250.160.16113.250.160.1611
16:003.250.180.18113.250.180.1811
17:003.250.20.2113.250.20.211
18:003.250.20.2113.250.20.211
19:003.250.20.2113.250.20.211
20:003.250.150.15113.250.150.1511
21:003.250.20.2113.250.20.211
22:003.250.20.2603.250.20.260
23:000.20.20.2600.20.20.260