P-5

Ancillary Service Prices, Day Ahead Market

09/01/2004

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)
00:000.390.390.39200.390.390.3920
01:000.10.10.1200.10.10.120
02:000.10.10.1200.10.10.120
03:000.10.10.1200.10.10.120
04:000.10.10.1200.10.10.120
05:000.10.10.1550.10.10.155
06:000.390.390.39750.390.390.3975
07:000.20.20.2750.20.20.275
08:000.20.20.2750.20.20.275
09:000.20.20.2550.20.20.255
10:000.20.20.2140.20.20.214
11:000.20.20.2140.20.20.214
12:000.990.20.2140.990.20.214
13:000.990.20.2140.990.20.214
14:0030.340.341430.340.3414
15:0030.330.331430.330.3314
16:0030.320.321630.320.3216
17:0030.330.331430.330.3314
18:000.20.20.2140.20.20.214
19:000.180.180.18140.180.180.1814
20:000.990.20.2140.990.20.214
21:000.20.20.2140.20.20.214
22:000.20.20.2140.20.20.214
23:000.840.840.84200.840.840.8420