P-5

Ancillary Service Prices, Day Ahead Market

08/04/2004

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)
00:000.190.190.19200.190.190.1920
01:000.10.10.1200.10.10.120
02:000.10.10.1200.10.10.120
03:000.10.10.1200.10.10.120
04:000.10.10.1200.10.10.120
05:000.10.10.1200.10.10.120
06:000.180.180.18200.180.180.1820
07:000.150.150.15140.150.150.1514
08:000.150.150.15140.150.150.1514
09:000.150.150.15140.150.150.1514
10:000.150.150.15140.150.150.1514
11:000.150.150.15140.150.150.1514
12:000.150.150.15140.150.150.1514
13:000.190.190.19140.190.190.1914
14:000.190.190.19140.190.190.1914
15:000.190.190.19140.190.190.1914
16:000.190.190.19140.190.190.1914
17:000.180.180.18140.180.180.1814
18:000.150.150.15140.150.150.1514
19:000.150.150.15140.150.150.1514
20:000.150.150.15140.150.150.1514
21:000.150.150.15140.150.150.1514
22:000.170.170.17140.170.170.1714
23:001.750.20.2201.750.20.220