P-5

Ancillary Service Prices, Day Ahead Market

11/25/2004

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)
00:001.990.30.3201.990.30.320
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
05:000.190.190.19550.190.190.1955
06:000.30.30.3990.30.30.399
07:000.170.170.17990.170.170.1799
08:000.160.160.16990.160.160.1699
09:000.160.160.16700.160.160.1670
10:000.990.150.15700.990.150.1570
11:000.990.150.15140.990.150.1514
12:000.990.150.15140.990.150.1514
13:000.150.150.15140.150.150.1514
14:000.150.150.15140.150.150.1514
15:000.150.150.15140.150.150.1514
16:000.150.150.15700.150.150.1570
17:0050.20.23550.20.235
18:000.990.180.18350.990.180.1835
19:000.990.190.19350.990.190.1935
20:000.150.150.15350.150.150.1535
21:000.20.20.2700.20.20.270
22:000.160.160.16350.160.160.1635
23:000.250.250.25200.250.250.2520