P-5

Ancillary Services Prices, Day Ahead Market

07/24/2010

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)
00:000.280.280300.250.25030
01:000.270.270200.250.25020
02:000.250.25018.640.250.25018.64
03:000.20.20200.20.2020
04:000.20.20300.20.2030
05:000.20.20300.20.2030
06:000.260.260300.250.25030
07:000.430.430450.430.43045
08:001.030.440451.030.44045
09:001.030.44034.511.030.44034.51
10:0092.010.0133.6470.010.0133.64
11:009.999.990.0145770.0145
12:00209.990.014570.010.0145
13:0016.989.990.0149.7470.010.0149.74
14:0016.499.990.552.1170.50.552.11
15:0041.989.990.0152.6870.010.0152.68
16:0041.989.990.016070.010.0160
17:0041.989.990.016070.010.0160
18:0024.149.990.014570.010.0145
19:00209.990.014570.010.0145
20:0017.129.990.014570.010.0145
21:0016.989.990.0137.6270.010.0137.62
22:00770.0145770.0145
23:000.280.280300.250.25030