P-5

Ancillary Service Prices, Day Ahead Market

12/05/2004

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)
00:000.360.360.36200.360.360.3620
01:000.370.370.37200.370.370.3720
02:000.30.30.3200.30.30.320
03:000.30.30.3200.30.30.320
04:000.370.370.37200.370.370.3720
05:000.840.840.84200.840.840.8420
06:001.990.840.84201.990.840.8420
07:000.330.330.33140.330.330.3314
08:0030.320.321430.320.3214
09:0050.20.21450.20.214
10:0050.20.21450.20.214
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
16:0050.20.217.4950.20.217.49
17:0050.20.217.4950.20.217.49
18:0050.20.217.4950.20.217.49
19:0050.20.23550.20.235
20:0050.20.23550.20.235
21:0050.20.23550.20.235
22:0040.20.21440.20.214
23:0040.450.452040.450.4520