P-5

Ancillary Service Prices, Day Ahead Market

08/12/2004

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)
00:000.350.350.2200.20.20.220
01:000.190.190.19200.190.190.1920
02:000.10.10.1200.10.10.120
03:000.10.10.1200.10.10.120
04:000.10.10.1200.10.10.120
05:000.170.170.17200.170.170.1720
06:000.350.350.2200.20.20.220
07:000.150.150.15550.150.150.1555
08:000.150.150.15550.150.150.1555
09:000.150.150.15140.150.150.1514
10:000.150.150.15140.150.150.1514
11:000.160.160.16140.160.160.1614
12:000.20.20.2140.20.20.214
13:000.20.20.2140.20.20.214
14:000.20.20.2140.20.20.214
15:000.20.20.2140.20.20.214
16:000.20.20.2140.20.20.214
17:000.20.20.2140.20.20.214
18:000.150.150.15140.150.150.1514
19:000.150.150.15140.150.150.1514
20:000.20.20.2140.20.20.214
21:000.20.20.2140.20.20.214
22:000.20.20.2140.20.20.214
23:000.370.370.25200.250.250.2520