P-5

Ancillary Service Prices, Day Ahead Market

03/01/2004

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)
00:000.50.50.5250.50.50.525
01:000.170.170.17250.170.170.1725
02:000.170.170.17200.170.170.1720
03:000.170.170.17200.170.170.1720
04:000.170.170.17200.170.170.1720
05:0051.281.282551.281.2825
06:003.251.281.28203.251.281.2820
07:003.250.20.2353.250.20.235
08:003.250.160.16353.250.160.1635
09:003.250.160.16353.250.160.1635
10:003.250.150.15113.250.150.1511
11:003.250.150.15113.250.150.1511
12:003.250.150.15113.250.150.1511
13:003.250.150.15113.250.150.1511
14:003.250.150.15113.250.150.1511
15:003.250.150.15113.250.150.1511
16:003.250.150.15353.250.150.1535
17:00301199301199
18:00301.271.2799301.271.2799
19:00301.271.2799301.271.2799
20:00301.261.2699301.261.2699
21:00120.20.225120.20.225
22:003.250.160.16253.250.160.1625
23:001.990.190.19201.990.190.1920