P-5

Ancillary Service Prices, Day Ahead Market

03/27/2004

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)
00:000.50.50.5250.50.50.525
01:000.390.390.39250.390.390.3925
02:000.390.390.39200.390.390.3920
03:000.390.390.39200.390.390.3920
04:000.390.390.39200.390.390.3920
05:000.840.840.84200.840.840.8420
06:003.251.261.26203.251.261.2620
07:003.250.350.35353.250.350.3535
08:003.250.360.36353.250.360.3635
09:00120.350.3535120.350.3535
10:003.250.390.39123.250.390.3912
11:003.250.390.39123.250.390.3912
12:003.250.380.38123.250.380.3812
13:003.250.320.32123.250.320.3212
14:003.250.320.32123.250.320.3212
15:003.250.320.32123.250.320.3212
16:003.250.20.2353.250.20.235
17:003.250.20.2353.250.20.235
18:00120.20.235120.20.235
19:00120.20.235120.20.235
20:003.250.20.2253.250.20.225
21:003.250.320.32253.250.320.3225
22:0030.340.342530.340.3425
23:0030.350.352030.350.3520