P-5

Ancillary Services Prices, Day Ahead Market

05/24/2009

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)
00:003.423.420.3320.30.30.332
01:003.373.370.25320.250.250.2532
02:000.250.250.25320.250.250.2532
03:000.250.250.25320.250.250.2532
04:000.250.250.25320.250.250.2532
05:003.373.370.25320.250.250.2532
06:003.363.360.25320.250.250.2532
07:003.413.410.5323.413.410.532
08:003.393.390.5323.393.390.532
09:0063.460.53263.460.532
10:009.973.470.53270.50.532
11:009.973.470.53270.50.532
12:009.973.470.53270.50.532
13:009.973.470.53270.50.532
14:0010.053.550.53270.50.532
15:009.973.470.53270.50.532
16:009.893.390.53270.50.532
17:009.893.390.53270.50.532
18:009.893.390.53270.50.532
19:009.893.390.53270.50.532
20:009.893.390.53270.50.532
21:009.973.470.53270.50.532
22:0010.393.890.53270.50.532
23:004.394.390.25320.250.250.2532