P-5

Ancillary Services Prices, Day Ahead Market

05/29/2008

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)
00:003.093.090.25450.250.250.2545
01:000.330.330.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.320.320.25450.250.250.2545
06:003.993.990.25162.280.250.250.25162.28
07:0011.14.60.525070.50.5250
08:0034.274.63145.379.533145.37
09:009.993.49352.59.53352.5
10:009.893.393.1962.699.693.193.1962.69
11:009.953.453.4562.959.953.453.4562.95
12:009.893.393.3962.899.893.393.3962.89
13:009.963.463.4662.969.963.463.4662.96
14:009.963.462.5352.039.032.532.5352.03
15:009.893.391.4950.997.991.491.4950.99
16:009.963.463.4652.969.963.463.4652.96
17:009.883.383.3852.889.883.383.3852.88
18:009.883.383.3852.889.883.383.3852.88
19:0011.113.493.452.99.93.43.452.9
20:0019.663.463.0962.599.593.093.0962.59
21:009.963.463.4652.969.963.463.4652.96
22:007.090.590.55070.50.550
23:000.40.40.25450.250.250.2545