P-5

Ancillary Services Prices, Day Ahead Market

08/13/2007

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)
00:000.250.250.17450.250.250.1745
01:000.20.20.17450.20.20.1745
02:000.180.180.17450.180.180.1745
03:000.180.180.17450.180.180.1745
04:000.180.180.17450.180.180.1745
05:000.180.180.17450.180.180.1745
06:000.190.190450.190.19045
07:001.081.080.1501.081.080.150
08:002.642.640.1502.642.640.150
09:003.993.990.11553.993.990.1155
10:006.494.190.5556.494.190.555
11:0074.190.55574.190.555
12:009.543.040.544.5470.50.544.54
13:00103.50.56570.50.565
14:00147.50.56570.50.565
15:00147.50.56570.50.565
16:00147.50.594.3570.50.594.35
17:00147.50.587.6370.50.587.63
18:00107.50.55574.50.555
19:00770.555770.555
20:0073.050.55573.050.555
21:0073.490.55573.490.555
22:003.493.490.5503.493.490.550
23:000.250.250.2450.250.250.245