P-5

Ancillary Service Prices, Day Ahead Market

09/12/2004

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)
00:000.10.10.1200.10.10.120
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
06:000.390.390.39200.390.390.3920
07:000.330.330.33140.330.330.3314
08:000.20.20.2140.20.20.214
09:000.20.20.2140.20.20.214
10:000.150.150.15140.150.150.1514
11:000.150.150.15140.150.150.1514
12:000.150.150.15140.150.150.1514
13:000.20.20.2140.20.20.214
14:000.20.20.2140.20.20.214
15:000.20.20.2140.20.20.214
16:000.20.20.2140.20.20.214
17:000.20.20.2400.20.20.240
18:000.20.20.2400.20.20.240
19:000.20.20.2400.20.20.240
20:000.20.20.2400.20.20.240
21:000.20.20.2400.20.20.240
22:000.20.20.2140.20.20.214
23:000.450.450.45200.450.450.4520