P-5

Ancillary Service Prices, Day Ahead Market

09/14/2004

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)
00:000.380.380.38200.380.380.3820
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
06:000.390.390.39750.390.390.3975
07:000.20.20.2750.20.20.275
08:000.20.20.2400.20.20.240
09:000.190.190.19400.190.190.1940
10:000.160.160.16400.160.160.1640
11:000.20.20.2140.20.20.214
12:000.20.20.2140.20.20.214
13:000.990.320.32140.990.320.3214
14:000.990.320.32140.990.320.3214
15:000.320.320.32140.320.320.3214
16:000.20.20.2160.20.20.216
17:000.20.20.2160.20.20.216
18:000.150.150.15400.150.150.1540
19:000.150.150.15400.150.150.1540
20:000.150.150.15400.150.150.1540
21:000.20.20.2400.20.20.240
22:000.20.20.2400.20.20.240
23:000.450.450.45200.450.450.4520