P-5

Ancillary Services Prices, Day Ahead Market

05/04/2007

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)
00:000.20.20.2430.20.20.243
01:000.250.250.25430.250.250.2543
02:000.250.250.25430.250.250.2543
03:000.250.250.25430.250.250.2543
04:000.250.250.25430.250.250.2543
05:000.250.250.25430.250.250.2543
06:003.093.090.25430.250.250.2543
07:0010.85100.55576.150.555
08:0014.7100.55572.30.555
09:0016.5100.55070.50.550
10:0016.5100.8450.347.340.840.8450.34
11:0016.5100.55070.50.550
12:0016.5100.55070.50.550
13:0016.5100.55070.50.550
14:0016.5100.54770.50.547
15:0016.5100.54770.50.547
16:0010.393.890.8447.347.340.840.8447.34
17:0010.393.890.54770.50.547
18:0010.393.890.54770.50.547
19:009.993.490.54770.50.547
20:0011.454.950.55070.50.550
21:0073.890.54773.890.547
22:0074.790.54774.790.547
23:003.893.890.25470.250.250.2547