P-5

Ancillary Services Prices, Day Ahead Market

11/18/2009

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)
00:003.093.090.2280.250.250.228
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
05:003.323.320.228.380.250.250.228.38
06:003.333.330.2453.333.330.245
07:003.253.250.5333.253.250.533
08:0053.330.54153.330.541
09:0053.330.54053.330.540
10:0053.330.53153.330.531
11:0053.330.52853.330.528
12:0053.320.52853.320.528
13:0053.320.52853.320.528
14:0053.320.52853.320.528
15:0053.090.52853.090.528
16:006.953.090.5306.953.090.530
17:008.993.092.4932.048.993.092.4932.04
18:006.953.090.98306.953.090.9830
19:006.953.090.98306.953.090.9830
20:0053.090.52853.090.528
21:0053.090.52853.090.528
22:0073.090.52873.090.528
23:000.840.840.2280.250.250.228