P-5

Ancillary Service Prices, Day Ahead Market

03/28/2004

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)
00:0051.261.262051.261.2620
01:000.840.840.84200.840.840.8420
02:000.840.840.84200.840.840.8420
03:000.840.840.84200.840.840.8420
04:000.840.840.84200.840.840.8420
05:000.840.840.84200.840.840.8420
06:001.991.261.26201.991.261.2620
07:001.990.350.35121.990.350.3512
08:0030.340.341230.340.3412
09:003.250.330.33123.250.330.3312
10:003.250.320.32353.250.320.3235
11:003.250.320.32353.250.320.3235
12:003.250.320.32353.250.320.3235
13:003.250.320.32353.250.320.3235
14:003.250.320.32123.250.320.3212
15:003.250.320.32123.250.320.3212
16:003.250.20.2123.250.20.212
17:003.250.20.2123.250.20.212
18:00120.20.212120.20.212
19:00120.20.212120.20.212
20:003.250.20.2253.250.20.225
21:003.250.320.32253.250.320.3225
22:003.250.330.33253.250.330.3325
23:003.250.350.35253.250.350.3525