P-5

Ancillary Service Prices, Day Ahead Market

09/26/2004

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)
00:001.261.261.26201.261.261.2620
01:000.150.150.15200.150.150.1520
02:000.150.150.15200.150.150.1520
03:000.150.150.15200.150.150.1520
04:000.150.150.15200.150.150.1520
05:000.140.140.14200.140.140.1420
06:000.130.130.13200.130.130.1320
07:000.990.990.99140.990.990.9914
08:000.160.160.16140.160.160.1614
09:000.160.160.16140.160.160.1614
10:000.150.150.15140.150.150.1514
11:000.150.150.15140.150.150.1514
12:000.990.150.15140.990.150.1514
13:000.990.150.15140.990.150.1514
14:001.990.150.15141.990.150.1514
15:001.990.150.15141.990.150.1514
16:001.990.150.15551.990.150.1555
17:000.990.150.15550.990.150.1555
18:000.990.150.15550.990.150.1555
19:0030.150.155530.150.1555
20:0030.150.155530.150.1555
21:000.990.150.15550.990.150.1555
22:000.990.160.16400.990.160.1640
23:0030.250.252030.250.2520