P-5

Ancillary Service Prices, Day Ahead Market

11/01/2004

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
01:000.20.20.2200.20.20.220
02:000.20.20.2200.20.20.220
03:000.20.20.2200.20.20.220
04:000.20.20.2200.20.20.220
05:000.840.840.84880.840.840.8488
06:000.840.840.84880.840.840.8488
07:0030.370.378830.370.3788
08:0070.320.328870.320.3288
09:0070.320.327570.320.3275
10:0070.20.27570.20.275
11:0070.20.21670.20.216
12:0070.20.21470.20.214
13:0070.20.21470.20.214
14:0070.20.21470.20.214
15:0030.20.21430.20.214
16:0030.20.28830.20.288
17:0070.350.358870.350.3588
18:0030.350.358830.350.3588
19:0030.350.351630.350.3516
20:0030.350.357530.350.3575
21:0030.370.378830.370.3788
22:000.330.330.33880.330.330.3388
23:000.390.390.39200.390.390.3920