P-5

Ancillary Service Prices, Day Ahead Market

12/12/2004

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)
00:000.990.990.99200.990.990.9920
01:000.450.450.45200.450.450.4520
02:000.30.30.3200.30.30.320
03:000.30.30.3200.30.30.320
04:000.30.30.3200.30.30.320
05:00220.99200.990.990.9920
06:000.990.990.99200.990.990.9920
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
16:0040.20.217.4940.20.217.49
17:0050.20.23550.20.235
18:0050.20.23550.20.235
19:0040.20.23540.20.235
20:0040.20.23540.20.235
21:0050.20.23550.20.235
22:000.390.390.3917.490.390.390.3917.49
23:001.990.990.99201.990.990.9920