P-5

Ancillary Services Prices, Day Ahead Market

03/16/2010

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)
00:002.732.730.11280.250.250.1128
01:002.732.730.11280.250.250.1128
02:002.732.730.11280.250.250.1128
03:000.40.40.11280.250.250.1128
04:000.40.40.11280.250.250.1128
05:002.732.730.11280.250.250.1128
06:003.373.220.142.130.250.10.142.13
07:0073.230.253273.230.2532
08:006.933.230.25326.933.230.2532
09:006.373.230.25326.373.230.2532
10:0073.230.253273.230.2532
11:005.993.230.25325.993.230.2532
12:0053.230.253253.230.2532
13:004.413.230.25324.413.230.2532
14:003.573.230.25323.573.230.2532
15:003.223.220.25323.223.220.2532
16:003.223.220.25323.223.220.2532
17:005.663.210.25325.663.210.2532
18:008.823.210.2636.4271.390.2636.42
19:009.143.210.263271.070.2632
20:003.213.210.26323.213.210.2632
21:003.23.20.25323.23.20.2532
22:003.213.210.25323.213.210.2532
23:002.732.730.11280.250.250.1128