P-5

Ancillary Service Prices, Day Ahead Market

09/11/2004

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)
00:000.390.390.39200.390.390.3920
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
05:000.10.10.1400.10.10.140
06:000.390.390.39400.390.390.3940
07:000.330.330.33400.330.330.3340
08:000.20.20.2400.20.20.240
09:000.20.20.2400.20.20.240
10:000.20.20.2400.20.20.240
11:000.20.20.2140.20.20.214
12:000.990.20.2140.990.20.214
13:000.20.20.2140.20.20.214
14:000.20.20.2140.20.20.214
15:000.20.20.2140.20.20.214
16:000.990.20.2140.990.20.214
17:000.20.20.2140.20.20.214
18:000.20.20.2140.20.20.214
19:0030.190.191430.190.1914
20:001.990.190.19141.990.190.1914
21:000.20.20.2400.20.20.240
22:000.20.20.2140.20.20.214
23:000.380.380.38200.380.380.3820