P-5

Ancillary Service Prices, Day Ahead Market

09/08/2004

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
03:000.10.10.1200.10.10.120
04:000.10.10.1200.10.10.120
05:000.10.10.1200.10.10.120
06:000.20.20.2200.20.20.220
07:000.150.150.15140.150.150.1514
08:000.150.150.15140.150.150.1514
09:000.20.20.2140.20.20.214
10:000.20.20.2140.20.20.214
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
15:000.420.420.42140.420.420.4214
16:001.750.20.2141.750.20.214
17:001.750.20.2141.750.20.214
18:000.420.420.42140.420.420.4214
19:000.990.20.2140.990.20.214
20:000.150.150.15140.150.150.1514
21:001.990.150.15141.990.150.1514
22:000.990.160.16400.990.160.1640
23:000.250.250.25200.250.250.2520