P-5

Ancillary Services Prices, Day Ahead Market

07/31/2011

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)
00:001.441.20.0180.250.010.018
01:000.580.580.0180.010.010.018
02:000.560.560.016.650.010.010.016.65
03:000.560.560.017.180.010.010.017.18
04:000.560.560.0180.010.010.018
05:000.560.560.0110.310.010.010.0110.31
06:000.350.350.0120.240.010.010.0120.24
07:000.350.350.0180.010.010.018
08:000.360.360.0180.010.010.018
09:000.360.360.0180.010.010.018
10:000.560.560.0380.030.030.038
11:000.570.570.03140.030.030.0314
12:007.737.730.03140.030.030.0314
13:008.368.360.03140.030.030.0314
14:008.328.320.03140.030.030.0314
15:008.468.460.03140.030.030.0314
16:008.468.460.03140.030.030.0314
17:008.398.390.03140.030.030.0314
18:008.328.320.03140.030.030.0314
19:004.144.140.03140.030.030.0314
20:002.842.840.03140.030.030.0314
21:004.414.410.0380.030.030.038
22:001.451.450.0380.030.030.038
23:000.80.580.0380.250.030.038