P-5

Ancillary Services Prices, Day Ahead Market

08/26/2007

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)
00:002.492.490.1450.250.250.145
01:000.20.20.1450.20.20.145
02:000.20.20.1450.20.20.145
03:000.20.20.1450.20.20.145
04:000.20.20.1450.20.20.145
05:000.20.20.1450.20.20.145
06:000.20.20.1450.20.20.145
07:000.20.20.1450.20.20.145
08:000.20.20.1450.20.20.145
09:003.493.490.1553.493.490.155
10:003.493.490.5553.493.490.555
11:0073.890.55573.890.555
12:008.433.050.55571.620.555
13:0011.154.650.55570.50.555
14:0011.294.790.55570.50.555
15:0011.294.790.55570.50.555
16:00103.50.55570.50.555
17:00103.50.55570.50.555
18:00103.50.55570.50.555
19:009.993.490.55570.50.555
20:00103.50.55570.50.555
21:0073.890.55573.890.555
22:003.093.090.1453.093.090.145
23:000.580.580.145.330.580.580.145.33