P-5

Ancillary Service Prices, Day Ahead Market

02/13/2004

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)
00:000.380.380.38750.380.380.3875
01:000.840.840.84750.840.840.8475
02:000.840.840.84200.840.840.8420
03:000.840.840.84200.840.840.8420
04:000.840.840.84200.840.840.8420
05:001112011120
06:003.250.370.37203.250.370.3720
07:003.250.20.2753.250.20.275
08:003.250.190.19753.250.190.1975
09:003.250.20.2753.250.20.275
10:003.250.20.2113.250.20.211
11:003.250.20.2113.250.20.211
12:000.20.20.2110.20.20.211
13:000.20.20.2110.20.20.211
14:000.20.20.2110.20.20.211
15:000.20.20.2110.20.20.211
16:003.250.160.16753.250.160.1675
17:003.250.160.16113.250.160.1611
18:003.250.160.16113.250.160.1611
19:003.250.160.16113.250.160.1611
20:0030.160.167530.160.1675
21:001.990.190.19951.990.190.1995
22:000.190.190.19950.190.190.1995
23:000.20.20.2750.20.20.275