P-5

Ancillary Services Prices, Day Ahead Market

01/20/2012

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)
00:0010.0210.020.099.560.090.090.099.56
01:003.583.580.095.50.090.090.095.5
02:003.583.580.095.50.090.090.095.5
03:003.583.580.0960.090.090.096
04:003.583.580.0960.090.090.096
05:003.583.580.0970.090.090.097
06:001.381.380.0970.090.090.097
07:0010100.2270.220.220.227
08:0010100.2270.220.220.227
09:0010.0210.020.226.50.220.220.226.5
10:0010.0210.020.225.750.220.220.225.75
11:0010100.225.750.220.220.225.75
12:0010100.225.750.220.220.225.75
13:0010100.225.750.220.220.225.75
14:0010100.225.750.220.220.225.75
15:0010100.2270.220.220.227
16:0010.0210.020.2213.450.220.220.2213.45
17:0015.510.020.2231.355.70.220.2231.35
18:008.248.240.2211.60.220.220.2211.6
19:00550.2290.220.220.229
20:001.551.550.2260.220.220.226
21:001.551.550.226.250.220.220.226.25
22:001.61.60.224.50.220.220.224.5
23:003.543.540.097.850.090.090.097.85