P-5

Ancillary Services Prices, Day Ahead Market

07/01/2009

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)
00:000.250.250.1320.250.250.132
01:000.250.250.1320.250.250.132
02:000.250.250.1320.250.250.132
03:000.250.250.1320.250.250.132
04:000.250.250.1320.250.250.132
05:000.250.250.1320.250.250.132
06:000.250.250.1320.250.250.132
07:003.43.40.1323.43.40.132
08:003.963.380.1323.963.380.132
09:006.493.380.1326.493.380.132
10:0073.360.13273.360.132
11:006.953.360.5326.953.360.532
12:006.953.360.5326.953.360.532
13:006.953.360.5326.953.360.532
14:0073.350.53273.350.532
15:008.23.350.53272.150.532
16:009.833.330.53270.50.532
17:007.413.340.53272.930.532
18:005.883.340.5325.883.340.532
19:005.153.340.17325.153.340.1732
20:0073.350.173273.350.1732
21:005.53.370.1325.53.370.132
22:0073.380.13273.380.132
23:000.250.250.1320.250.250.132