P-5

Ancillary Services Prices, Day Ahead Market

03/12/2010

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)
00:002.852.850.11280.250.250.1128
01:002.852.850.11280.250.250.1128
02:00330.1128.130.250.250.1128.13
03:00330.1128.160.250.250.1128.16
04:00330.1128.70.250.250.1128.7
05:00330.1142.210.250.250.1142.21
06:00330.1138.930.250.250.1138.93
07:0073.340.264173.340.2641
08:003.683.340.26503.683.340.2650
09:004.23.340.26324.23.340.2632
10:0073.340.263273.340.2632
11:0073.340.263273.340.2632
12:0073.340.263273.340.2632
13:003.683.340.26323.683.340.2632
14:003.683.340.26323.683.340.2632
15:007.333.340.263273.010.2632
16:008.693.330.265071.640.2650
17:0073.320.2648.9773.320.2648.97
18:0010.723.320.26507.660.260.2650
19:008.753.320.2644.028.753.320.2644.02
20:0073.320.263273.320.2632
21:003.323.320.25323.323.320.2532
22:0073.320.253273.320.2532
23:003.463.320.11280.250.110.1128