P-5

Ancillary Services Prices, Day Ahead Market

03/09/2005

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)
00:000.790.790.1200.10.10.120
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
05:001.431.430.1200.10.10.120
06:000.20.20.1250.10.10.125
07:003.820.150.15253.820.150.1525
08:0060.150.152960.150.1529
09:0060.20.22560.20.225
10:0060.180.182560.180.1825
11:0060.20.219.960.20.219.9
12:0040.170.1714.070.170.170.1714.07
13:0040.160.1614.060.160.160.1614.06
14:0040.150.1140.10.10.114
15:0040.150.1140.10.10.114
16:0060.150.1250.10.10.125
17:0060.150.1527.0760.150.1527.07
18:0016.510.20.24016.510.20.240
19:007.250.20.2257.250.20.225
20:0060.170.1725.5460.170.1725.54
21:005.910.180.1827.015.910.180.1827.01
22:0030.150.1300.10.10.130
23:000.290.20.01200.10.010.0120