P-5

Ancillary Service Prices, Day Ahead Market

01/07/2004

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)
00:001.750.450.45251.750.450.4525
01:000.250.250.25250.250.250.2525
02:000.250.250.25200.250.250.2520
03:000.250.250.25200.250.250.2520
04:000.250.250.25200.250.250.2520
05:000.370.370.37250.370.370.3725
06:0030.50.52530.50.525
07:003.250.20.2253.250.20.225
08:003.250.320.32253.250.320.3225
09:00100.20.225100.20.225
10:00100.20.211100.20.211
11:00100.20.211100.20.211
12:003.250.20.2113.250.20.211
13:003.250.20.2113.250.20.211
14:003.250.20.2113.250.20.211
15:003.250.20.2113.250.20.211
16:003.250.350.35253.250.350.3525
17:00100.50.525100.50.525
18:003.250.50.5253.250.50.525
19:003.250.50.5113.250.50.511
20:003.250.450.45113.250.450.4511
21:001.990.450.45251.990.450.4525
22:001.990.20.2251.990.20.225
23:001.990.390.39251.990.390.3925