P-5

Ancillary Service Prices, Day Ahead Market

01/05/2004

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)
00:000.450.450.45250.450.450.4525
01:000.160.160.16250.160.160.1625
02:000.160.160.16200.160.160.1620
03:000.160.160.16200.160.160.1620
04:000.160.160.16200.160.160.1620
05:000.360.360.36250.360.360.3625
06:000.450.450.45200.450.450.4520
07:001.750.20.2251.750.20.225
08:0030.20.22530.20.225
09:0030.20.22530.20.225
10:0030.20.21130.20.211
11:0030.20.21130.20.211
12:0030.20.21130.20.211
13:0030.20.21130.20.211
14:0030.20.21130.20.211
15:0030.20.21130.20.211
16:003.250.170.17253.250.170.1725
17:003.250.340.34253.250.340.3425
18:001.990.340.34111.990.340.3411
19:0030.340.341130.340.3411
20:001.750.180.18111.750.180.1811
21:003.250.450.45253.250.450.4525
22:003.250.20.2253.250.20.225
23:001.750.50.5201.750.50.520