P-5

Ancillary Service Prices, Day Ahead Market

12/02/2004

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)
00:000.450.450.45200.450.450.4520
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
05:000.840.840.84550.840.840.8455
06:0030.450.457530.450.4575
07:000.990.20.2990.990.20.299
08:0050.20.29950.20.299
09:0050.20.27050.20.270
10:0050.20.27050.20.270
11:0050.20.21450.20.214
12:0050.20.21450.20.214
13:0050.20.21450.20.214
14:0050.20.21450.20.214
15:0050.20.21450.20.214
16:00120.20.275120.20.275
17:00120.330.3335120.330.3335
18:00120.330.3335120.330.3335
19:0050.330.331650.330.3316
20:0050.340.343550.340.3435
21:0030.360.367530.360.3675
22:001.990.20.2701.990.20.270
23:000.990.450.45200.990.450.4520