P-5

Ancillary Service Prices, Day Ahead Market

09/09/2004

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
01:000.10.10.1200.10.10.120
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
06:000.360.360.2750.20.20.275
07:000.20.20.2880.20.20.288
08:000.190.190.19880.190.190.1988
09:000.20.20.2750.20.20.275
10:000.320.320.32400.320.320.3240
11:000.20.20.2140.20.20.214
12:000.150.150.15140.150.150.1514
13:000.20.20.2140.20.20.214
14:000.20.20.2140.20.20.214
15:000.990.20.2140.990.20.214
16:000.990.180.18160.990.180.1816
17:000.990.180.18160.990.180.1816
18:000.180.180.18160.180.180.1816
19:000.180.180.18400.180.180.1840
20:000.170.170.17400.170.170.1740
21:000.20.20.2400.20.20.240
22:000.990.990.99400.990.990.9940
23:000.450.450.45200.450.450.4520