P-5

Ancillary Services Prices, Day Ahead Market

11/25/2009

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)
00:000.250.250.25280.250.250.2528
01:000.20.20.2280.20.20.228
02:000.20.20.2280.20.20.228
03:000.20.20.2280.20.20.228
04:000.20.20.2280.20.20.228
05:000.250.250.25280.250.250.2528
06:003.343.34238.793.343.34238.79
07:003.463.350.5393.463.350.539
08:005.393.330.5475.393.330.547
09:006.493.330.54551.840.545
10:006.873.320.98455.131.580.9845
11:005.783.320.52852.540.528
12:0053.320.52853.320.528
13:0053.320.52853.320.528
14:0053.320.52853.320.528
15:0053.320.52853.320.528
16:008.223.320.98457.482.580.9845
17:006.933.322306.933.32230
18:0053.320.9831.2953.320.9831.29
19:006.813.320.98456.813.320.9845
20:005.163.320.5285.163.320.528
21:0053.320.52853.320.528
22:003.323.320.5283.323.320.528
23:000.250.250.25280.250.250.2528