P-5

Ancillary Services Prices, Day Ahead Market

02/28/2005

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)
00:000.20.20.1200.10.10.120
01:000.20.20.1200.10.10.120
02:000.20.20.1200.10.10.120
03:000.20.20.1280.10.10.128
04:000.20.20.1280.10.10.128
05:000.790.790.1310.10.10.131
06:000.20.20.158.070.10.10.158.07
07:000.240.150.0157.730.10.010.0157.73
08:000.150.150.1400.10.10.140
09:000.510.330.18310.360.180.1831
10:001.580.320.32311.580.320.3231
11:0060.190.1918.434.530.190.1918.43
12:0030.180.1814.080.180.180.1814.08
13:0030.150.1140.10.10.114
14:001.420.150.01140.10.010.0114
15:0030.150.1140.10.10.114
16:0030.150.153.80.10.10.153.8
17:0060.160.1664.5960.160.1664.59
18:0060.160.1630.460.160.1630.4
19:001.380.150.01301.240.010.0130
20:000.150.150.1300.10.10.130
21:001.190.150.01300.10.010.0130
22:000.150.150.164.150.10.10.164.15
23:000.20.20.1200.10.10.120