P-5

Ancillary Services Prices, Day Ahead Market

02/21/2005

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)
00:000.20.20.1300.10.10.130
01:000.10.10.1300.10.10.130
02:000.10.10.1300.10.10.130
03:000.10.10.1300.10.10.130
04:000.10.10.1300.10.10.130
05:000.790.790.156.680.10.10.156.68
06:000.790.790.164.040.10.10.164.04
07:000.150.150.170.70.10.10.170.7
08:0030.150.15750.990.150.1575
09:0030.330.19402.860.190.1940
10:0040.180.18400.990.180.1840
11:0040.180.18302.940.180.1830
12:0030.170.1714.070.170.170.1714.07
13:0030.150.1140.10.10.114
14:0030.150.1140.10.10.114
15:0030.150.1140.10.10.114
16:004.380.150.169.330.10.10.169.33
17:0050.20.276.730.990.20.276.73
18:0030.160.1661.70.990.160.1661.7
19:0050.160.16400.990.160.1640
20:0050.150.15400.990.150.1540
21:0030.150.145.370.10.10.145.37
22:000.150.150.1750.10.10.175
23:000.790.790.1200.10.10.120