P-5

Ancillary Service Prices, Day Ahead Market

03/09/2004

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)
00:001.750.50.5251.750.50.525
01:000.450.450.45250.450.450.4525
02:000.450.450.45200.450.450.4520
03:000.450.450.45200.450.450.4520
04:000.390.390.39200.390.390.3920
05:001.750.840.84251.750.840.8425
06:0030.50.52530.50.525
07:003.250.450.45113.250.450.4511
08:003.250.450.45113.250.450.4511
09:003.250.50.5113.250.50.511
10:003.250.450.45113.250.450.4511
11:003.250.450.45113.250.450.4511
12:003.250.320.32113.250.320.3211
13:003.250.320.32113.250.320.3211
14:003.250.320.32113.250.320.3211
15:003.250.320.32113.250.320.3211
16:003.250.20.2353.250.20.235
17:003.250.340.34353.250.340.3435
18:003.251.251.25113.251.251.2511
19:003.251.251.25113.251.251.2511
20:003.251.251.25253.251.251.2525
21:003.250.450.45253.250.450.4525
22:001.750.340.34251.750.340.3425
23:001.750.20.2251.750.20.225