P-5

Ancillary Service Prices, Day Ahead Market

02/16/2004

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)
00:001.750.250.25251.750.250.2525
01:001.750.50.5251.750.50.525
02:001.750.50.5201.750.50.520
03:000.50.50.5200.50.50.520
04:000.50.50.5200.50.50.520
05:001.990.250.25201.990.250.2520
06:0030.50.52030.50.520
07:003.250.180.18353.250.180.1835
08:003.250.170.17353.250.170.1735
09:003.250.190.19353.250.190.1935
10:00120.170.1711120.170.1711
11:00120.170.1711120.170.1711
12:003.250.170.17113.250.170.1711
13:003.250.170.17113.250.170.1711
14:003.250.170.17113.250.170.1711
15:003.250.170.17113.250.170.1711
16:003.250.150.15353.250.150.1535
17:003.250.150.15113.250.150.1511
18:00120.190.1935120.190.1935
19:003.250.150.15353.250.150.1535
20:001.990.150.15251.990.150.1525
21:00120.20.225120.20.225
22:00120.180.1825120.180.1825
23:00120.190.1920120.190.1920