P-5

Ancillary Services Prices, Day Ahead Market

11/21/2007

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)
00:000.30.30.385.050.30.30.385.05
01:000.20.20.283.230.20.20.283.23
02:000.20.20.284.270.20.20.284.27
03:000.20.20.284.170.20.20.284.17
04:000.20.20.283.910.20.20.283.91
05:000.30.30.381.450.30.30.381.45
06:000.30.30.366.690.30.30.366.69
07:0072.540.57072.540.570
08:0070.50.58070.50.580
09:008.063.040.56071.980.560
10:0013.023.080.56070.50.560
11:009.533.030.55070.50.550
12:009.533.030.55070.50.550
13:009.533.030.55070.50.550
14:0073.020.55073.020.550
15:0073.020.55073.020.550
16:009.523.020.58070.50.580
17:0010.813.493.49809.993.493.4980
18:0014.33.493.49809.993.493.4980
19:009.513.010.56570.50.565
20:00730.565730.565
21:009.263.020.587.7570.760.587.75
22:009.192.690.589.6170.50.589.61
23:000.30.30.363.290.30.30.363.29