P-5

Ancillary Service Prices, Day Ahead Market

10/01/2004

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)
00:000.20.20.2200.20.20.220
01:000.10.10.1200.10.10.120
02:000.10.10.1200.10.10.120
03:000.10.10.1400.10.10.140
04:000.10.10.1200.10.10.120
05:000.20.20.2400.20.20.240
06:000.20.20.2750.20.20.275
07:000.190.190.19550.190.190.1955
08:000.250.250.25550.250.250.2555
09:000.250.250.25400.250.250.2540
10:000.180.180.18400.180.180.1840
11:000.190.190.19140.190.190.1914
12:000.150.150.15140.150.150.1514
13:000.150.150.15140.150.150.1514
14:000.150.150.15140.150.150.1514
15:000.150.150.15140.150.150.1514
16:000.150.150.15400.150.150.1540
17:000.150.150.15400.150.150.1540
18:000.170.170.17400.170.170.1740
19:000.170.170.17400.170.170.1740
20:000.170.170.17400.170.170.1740
21:000.190.190.19400.190.190.1940
22:000.190.190.19400.190.190.1940
23:000.190.190.19200.190.190.1920