P-5

Ancillary Service Prices, Day Ahead Market

08/26/2003

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)
00:000.660.660.6250.60.60.625
01:000.60.60.6250.60.60.625
02:000.60.60.4250.60.60.425
03:000.60.60.4190.60.60.419
04:000.60.60.4190.60.60.419
05:000.60.60.4190.60.60.419
06:000.660.660.6250.60.60.625
07:000.670.610.61250.670.610.6125
08:002.20.60.6142.20.60.614
09:002.20.60.6142.20.60.614
10:0030.60.61430.60.614
11:002.20.60.6102.20.60.610
12:002.20.60.6102.20.60.610
13:002.20.610.61102.20.610.6110
14:003.250.610.61103.250.610.6110
15:003.250.620.5102.20.50.510
16:003.250.630.27102.20.270.2710
17:003.250.750.27142.20.270.2714
18:002.20.750.27142.20.270.2714
19:002.20.60.5142.20.50.514
20:002.20.60.519.52.20.50.519.5
21:002.20.60.619.52.20.60.619.5
22:001.40.60.619.51.40.60.619.5
23:001.40.670.3519.50.60.350.3519.5