P-5

Ancillary Services Prices, Day Ahead Market

02/09/2007

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)
00:000.250.250.25500.250.250.2550
01:000.20.20.2500.20.20.250
02:000.20.20.2500.20.20.250
03:000.20.20.2500.20.20.250
04:000.20.20.2500.20.20.250
05:000.250.250.25550.250.250.2555
06:000.250.250.25700.250.250.2570
07:007.330.830.8380.337.330.830.8380.33
08:008.271.770.58070.50.580
09:00750.580750.580
10:00750.580750.580
11:00770.570770.570
12:00750.570750.570
13:00550.570550.570
14:003.043.040.5703.043.040.570
15:003.033.030.5703.033.030.570
16:0073.030.57073.030.570
17:0011.550.59070.50.590
18:0013.827.320.59570.50.595
19:008.793.030.59571.240.595
20:00730.585730.585
21:0073.020.57573.020.575
22:0070.50.56570.50.565
23:000.30.30.3600.30.30.360