P-5

Ancillary Service Prices, Day Ahead Market

02/19/2004

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)
00:000.840.840.84600.840.840.8460
01:000.20.20.2600.20.20.260
02:000.20.20.2200.20.20.220
03:000.20.20.2200.20.20.220
04:000.20.20.2200.20.20.220
05:001.21.21.2201.21.21.220
06:003.250.380.38203.250.380.3820
07:003.250.20.2113.250.20.211
08:003.250.160.16113.250.160.1611
09:003.250.190.19113.250.190.1911
10:003.250.160.16113.250.160.1611
11:003.250.160.16113.250.160.1611
12:003.250.160.16113.250.160.1611
13:003.250.160.16113.250.160.1611
14:003.250.160.16113.250.160.1611
15:003.250.160.16113.250.160.1611
16:000.160.160.16110.160.160.1611
17:003.250.160.16113.250.160.1611
18:0030.160.161130.160.1611
19:000.160.160.16110.160.160.1611
20:003.250.20.2113.250.20.211
21:003.250.160.16603.250.160.1660
22:000.190.190.19600.190.190.1960
23:000.20.20.2600.20.20.260