P-5

Ancillary Service Prices, Day Ahead Market

09/25/2004

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)
00:000.170.170.17200.170.170.1720
01:000.130.130.13200.130.130.1320
02:000.130.130.13200.130.130.1320
03:000.130.130.13200.130.130.1320
04:000.120.120.12200.120.120.1220
05:000.120.120.12400.120.120.1240
06:000.170.170.17750.170.170.1775
07:000.160.160.16750.160.160.1675
08:000.150.150.15750.150.150.1575
09:000.150.150.15400.150.150.1540
10:000.150.150.15400.150.150.1540
11:000.150.150.15140.150.150.1514
12:000.150.150.15140.150.150.1514
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
18:000.150.150.15400.150.150.1540
19:000.150.150.15400.150.150.1540
20:000.150.150.15400.150.150.1540
21:000.150.150.15400.150.150.1540
22:000.150.150.15400.150.150.1540
23:000.20.20.2200.20.20.220