P-5

Ancillary Services Prices, Day Ahead Market

05/28/2009

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)
00:003.093.090.25320.250.250.2532
01:003.323.320.25320.250.250.2532
02:000.250.250.25320.250.250.2532
03:000.250.250.25320.250.250.2532
04:000.250.250.25320.250.250.2532
05:003.323.320.25320.250.250.2532
06:003.323.320.25320.250.250.2532
07:003.413.410.534.53.413.410.534.5
08:0053.40.54153.40.541
09:0063.450.53263.450.532
10:006.113.380.5326.113.380.532
11:0073.380.53273.380.532
12:0073.380.53273.380.532
13:009.253.380.53271.130.532
14:009.153.380.53271.230.532
15:009.893.390.53270.50.532
16:009.953.450.53270.50.532
17:009.963.460.53270.50.532
18:006.53.360.5326.53.360.532
19:005.783.360.5325.783.360.532
20:006.53.360.5326.53.360.532
21:006.483.380.5326.483.380.532
22:0053.40.53253.40.532
23:003.343.340.2528.280.250.250.2528.28