P-5

Ancillary Service Prices, Day Ahead Market

11/28/2004

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)
00:000.350.350.35200.350.350.3520
01:000.360.360.36200.360.360.3620
02:000.30.30.3200.30.30.320
03:000.30.30.3200.30.30.320
04:000.30.30.3200.30.30.320
05:000.360.360.36200.360.360.3620
06:000.450.450.45200.450.450.4520
07:000.20.20.2140.20.20.214
08:000.20.20.2140.20.20.214
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
15:000.20.20.2140.20.20.214
16:0030.20.217.4930.20.217.49
17:0050.20.217.4950.20.217.49
18:0050.20.217.4950.20.217.49
19:0050.20.217.4950.20.217.49
20:000.990.20.2350.990.20.235
21:000.20.20.2350.20.20.235
22:000.20.20.217.490.20.20.217.49
23:000.450.450.45200.450.450.4520