P-5

Ancillary Service Prices, Day Ahead Market

07/28/2004

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)
00:000.360.360.2200.20.20.220
01:000.20.20.2200.20.20.220
02:000.10.10.1200.10.10.120
03:000.10.10.1200.10.10.120
04:000.10.10.1200.10.10.120
05:000.10.10.1200.10.10.120
06:000.350.350.2200.20.20.220
07:000.150.150.15120.150.150.1512
08:000.150.150.15120.150.150.1512
09:000.180.180.18120.180.180.1812
10:000.160.160.16120.160.160.1612
11:000.180.180.18120.180.180.1812
12:000.20.20.2120.20.20.212
13:000.150.150.15120.150.150.1512
14:000.150.150.15120.150.150.1512
15:000.150.150.15120.150.150.1512
16:000.150.150.15120.150.150.1512
17:000.150.150.15120.150.150.1512
18:000.20.20.2120.20.20.212
19:000.20.20.2120.20.20.212
20:000.150.150.15120.150.150.1512
21:000.170.170.17120.170.170.1712
22:000.20.20.2120.20.20.212
23:000.450.450.45200.450.450.4520