P-5

Ancillary Service Prices, Day Ahead Market

07/20/2004

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
01:000.370.370.2200.20.20.220
02:000.180.180.18200.180.180.1820
03:000.180.180.18200.180.180.1820
04:000.180.180.18200.180.180.1820
05:000.180.180.18200.180.180.1820
06:000.350.350.2200.20.20.220
07:000.150.150.15120.150.150.1512
08:000.150.150.15120.150.150.1512
09:000.20.20.2120.20.20.212
10:000.160.160.16120.160.160.1612
11:000.20.20.2120.20.20.212
12:000.20.20.2120.20.20.212
13:000.20.20.2120.20.20.212
14:000.20.20.2120.20.20.212
15:000.320.320.32120.320.320.3212
16:000.20.20.2120.20.20.212
17:000.20.20.2120.20.20.212
18:000.20.20.2120.20.20.212
19:000.150.150.15120.150.150.1512
20:000.150.150.15120.150.150.1512
21:000.20.20.2120.20.20.212
22:000.20.20.2120.20.20.212
23:000.390.390.39200.390.390.3920