P-5

Ancillary Service Prices, Day Ahead Market

03/25/2004

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)
00:001112511125
01:000.450.450.45250.450.450.4525
02:000.450.450.45200.450.450.4520
03:000.450.450.45200.450.450.4520
04:000.450.450.45200.450.450.4520
05:001.251.251.25201.251.251.2520
06:003.251.251.25203.251.251.2520
07:003.250.360.36353.250.360.3635
08:003.250.340.34353.250.340.3435
09:003.250.340.34353.250.340.3435
10:003.250.330.33113.250.330.3311
11:003.250.320.32113.250.320.3211
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
16:003.250.20.2353.250.20.235
17:003.250.320.32353.250.320.3235
18:003.250.380.38113.250.380.3811
19:003.250.380.38113.250.380.3811
20:003.250.380.38113.250.380.3811
21:003.250.50.5253.250.50.525
22:001.750.340.34251.750.340.3425
23:001.750.330.33251.750.330.3325