P-5

Ancillary Service Prices, Day Ahead Market

11/23/2004

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)
00:000.450.450.45200.450.450.4520
01:000.360.360.36200.360.360.3620
02:000.30.30.3200.30.30.320
03:000.30.30.3200.30.30.320
04:000.360.360.36200.360.360.3620
05:000.840.840.84350.840.840.8435
06:000.990.450.45550.990.450.4555
07:0030.320.327530.320.3275
08:0030.20.27530.20.275
09:0050.20.23550.20.235
10:0050.20.23550.20.235
11:0050.20.21450.20.214
12:0050.20.21450.20.214
13:000.990.20.2140.990.20.214
14:000.20.20.2140.20.20.214
15:000.20.20.2140.20.20.214
16:0050.20.27550.20.275
17:0050.360.3617.4950.360.3617.49
18:0050.330.3317.4950.330.3317.49
19:0050.330.3317.4950.330.3317.49
20:0050.20.23550.20.235
21:000.990.20.2350.990.20.235
22:000.20.20.2350.20.20.235
23:000.390.390.39200.390.390.3920