P-5

Ancillary Service Prices, Day Ahead Market

02/10/2004

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)
00:000.250.250.25250.250.250.2525
01:000.20.20.2250.20.20.225
02:000.20.20.2200.20.20.220
03:000.20.20.2200.20.20.220
04:000.20.20.2200.20.20.220
05:000.380.380.38200.380.380.3820
06:001.750.370.37201.750.370.3720
07:001.750.190.19351.750.190.1935
08:001.750.190.19351.750.190.1935
09:001.750.20.2351.750.20.235
10:001.750.20.2111.750.20.211
11:000.20.20.2110.20.20.211
12:000.20.20.2110.20.20.211
13:000.190.190.19110.190.190.1911
14:000.180.180.18110.180.180.1811
15:000.180.180.18110.180.180.1811
16:000.170.170.17350.170.170.1735
17:001.990.160.16111.990.160.1611
18:0030.160.161130.160.1611
19:001.750.160.16111.750.160.1611
20:001.750.150.15251.750.150.1525
21:001.750.160.16251.750.160.1625
22:000.20.20.2250.20.20.225
23:001.750.20.2251.750.20.225