P-5

Ancillary Services Prices, Day Ahead Market

03/23/2005

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)
00:000.290.20.16200.250.160.1620
01:000.930.840.16200.250.160.1620
02:000.930.840.1620.040.250.160.1620.04
03:000.930.840.1621.250.250.160.1621.25
04:000.930.840.16200.250.160.1620
05:000.90.840.19400.250.190.1940
06:000.840.840.2572.150.250.250.2572.15
07:0070.160.1669.9670.160.1669.96
08:0015.260.150.1572.6415.260.150.1572.64
09:0020.740.20.25020.740.20.250
10:0020.240.20.25020.240.20.250
11:0016.510.20.227.5116.510.20.227.51
12:0070.20.21870.20.218
13:0070.20.21870.20.218
14:0070.20.215.314.310.20.215.31
15:0070.20.214.313.310.20.214.31
16:00130.170.1765.4112.460.170.1765.41
17:0018.250.170.1788.9918.250.170.1788.99
18:0026.620.20.258.9626.620.20.258.96
19:0019.980.20.242.9619.980.20.242.96
20:0017.940.180.1840.9417.940.180.1840.94
21:009.740.190.1942.989.740.190.1942.98
22:0030.150.1561.0330.150.1561.03
23:000.430.20.02200.250.020.0220