P-5

Ancillary Services Prices, Day Ahead Market

03/20/2010

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)
00:003.493.350.11280.250.110.1128
01:003.483.340.11280.250.110.1128
02:003.333.330.11280.250.250.1128
03:003.333.330.11280.250.250.1128
04:003.333.330.11280.250.250.1128
05:003.333.330.1135.390.250.250.1135.39
06:003.333.330.1130.110.250.250.1130.11
07:0073.330.1137.7573.330.1137.75
08:003.333.330.11323.333.330.1132
09:003.333.330.11323.333.330.1132
10:003.333.330.11323.333.330.1132
11:003.333.330.11323.333.330.1132
12:003.333.330.11323.333.330.1132
13:003.333.330.11323.333.330.1132
14:003.333.330.11323.333.330.1132
15:003.333.330.11323.333.330.1132
16:003.333.330.11323.333.330.1132
17:0073.340.113273.340.1132
18:006.953.340.11326.953.340.1132
19:006.953.340.11326.953.340.1132
20:006.953.340.11326.953.340.1132
21:0053.340.1146.553.340.1146.5
22:0073.340.113273.340.1132
23:003.483.340.11280.250.110.1128