P-5

Ancillary Service Prices, Day Ahead Market

07/30/2004

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)
00:000.340.340.2200.20.20.220
01:000.180.180.18200.180.180.1820
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
06:000.340.340.2200.20.20.220
07:000.150.150.15140.150.150.1514
08:000.150.150.15140.150.150.1514
09:000.190.190.19140.190.190.1914
10:000.150.150.15140.150.150.1514
11:000.20.20.2140.20.20.214
12:000.20.20.2140.20.20.214
13:000.20.20.2140.20.20.214
14:000.20.20.2140.20.20.214
15:000.20.20.2140.20.20.214
16:000.20.20.2140.20.20.214
17:000.20.20.2140.20.20.214
18:000.20.20.2140.20.20.214
19:000.150.150.15140.150.150.1514
20:000.150.150.15140.150.150.1514
21:000.180.180.18140.180.180.1814
22:000.170.170.17140.170.170.1714
23:000.380.380.38200.380.380.3820