P-5

Ancillary Services Prices, Day Ahead Market

05/20/2011

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)
00:003.643.40.0160.250.010.016
01:003.643.40.0160.250.010.016
02:003.643.40.0160.250.010.016
03:003.643.40.016.370.250.010.016.37
04:003.643.40.0117.20.250.010.0117.2
05:003.643.40.01200.250.010.0120
06:004.193.950.018.720.250.010.018.72
07:00103.370.0466.670.040.046
08:0010.733.770.0412.2570.040.0412.25
09:0010.423.460.0412.2570.040.0412.25
10:0012.955.990.0412.2570.040.0412.25
11:0012.955.990.0412.2570.040.0412.25
12:0012.955.990.0412.2570.040.0412.25
13:0012.955.990.0412.2570.040.0412.25
14:0012.955.990.0412.2570.040.0412.25
15:0012.955.990.0412.2570.040.0412.25
16:0012.955.990.0412.2570.040.0412.25
17:0011.774.810.0412.2570.040.0412.25
18:0010.413.450.0412.2570.040.0412.25
19:0010.413.450.0412.2570.040.0412.25
20:0012.955.990.0412.2570.040.0412.25
21:0011.514.550.047.6770.040.047.67
22:0010.373.410.04670.040.046
23:0010.535.990.0110.34.550.010.0110.3