P-5

Ancillary Service Prices, Day Ahead Market

10/18/2004

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)
00:000.20.20.2200.20.20.220
01:000.130.130.13200.130.130.1320
02:000.120.120.12200.120.120.1220
03:000.120.120.12200.120.120.1220
04:000.120.120.12200.120.120.1220
05:000.130.130.13400.130.130.1340
06:000.380.380.2750.20.20.275
07:000.250.250.25400.250.250.2540
08:000.20.20.2400.20.20.240
09:000.20.20.219.50.20.20.219.5
10:000.20.20.219.50.20.20.219.5
11:001.990.20.2141.990.20.214
12:001.990.20.2141.990.20.214
13:000.150.150.15140.150.150.1514
14:000.150.150.15140.150.150.1514
15:000.150.150.15140.150.150.1514
16:000.150.150.15400.150.150.1540
17:000.150.150.15400.150.150.1540
18:000.20.20.2160.20.20.216
19:000.20.20.2160.20.20.216
20:000.20.20.2160.20.20.216
21:000.990.450.45400.990.450.4540
22:001.990.20.2401.990.20.240
23:000.990.450.45200.990.450.4520