P-5

Ancillary Services Prices, Day Ahead Market

02/27/2005

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)
00:000.740.740.1200.10.10.120
01:000.840.840.1200.10.10.120
02:000.840.840.1200.10.10.120
03:000.840.840.1200.10.10.120
04:000.840.840.1200.10.10.120
05:000.840.840.1200.10.10.120
06:000.740.740.1200.10.10.120
07:000.150.150.1140.10.10.114
08:000.150.150.1140.10.10.114
09:000.330.330.1140.10.10.114
10:000.320.320.1140.10.10.114
11:000.320.320.1140.10.10.114
12:000.320.320.1140.10.10.114
13:000.320.320.1140.10.10.114
14:000.320.320.1140.10.10.114
15:000.320.320.1140.10.10.114
16:000.150.150.1300.10.10.130
17:000.270.150.1300.10.10.130
18:0060.150.1300.10.10.130
19:003.640.150.1300.10.10.130
20:000.620.150.1300.10.10.130
21:000.150.150.132.980.10.10.132.98
22:000.150.150.145.960.10.10.145.96
23:000.20.20.1200.10.10.120