P-5

Ancillary Service Prices, Day Ahead Market

12/10/2004

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)
00:000.380.380.38200.380.380.3820
01:000.330.330.33200.330.330.3320
02:000.160.160.16200.160.160.1620
03:000.160.160.16200.160.160.1620
04:000.160.160.16200.160.160.1620
05:000.450.450.45350.450.450.4535
06:000.450.450.45550.450.450.4555
07:001.990.20.2651.990.20.265
08:0040.20.27040.20.270
09:0040.20.23540.20.235
10:0040.20.23540.20.235
11:001.990.20.2141.990.20.214
12:001.990.20.2141.990.20.214
13:001.990.20.2141.990.20.214
14:001.990.20.2141.990.20.214
15:001.990.20.2141.990.20.214
16:0040.20.24040.20.240
17:0040.340.343540.340.3435
18:0040.340.3417.4940.340.3417.49
19:0040.340.3417.4940.340.3417.49
20:0040.20.23540.20.235
21:0040.20.23540.20.235
22:0040.350.353540.350.3535
23:0040.840.842040.840.8420