P-5

Ancillary Services Prices, Day Ahead Market

08/14/2007

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
02:000.20.20.17450.20.20.1745
03:000.20.20.17450.20.20.1745
04:000.20.20.17450.20.20.1745
05:000.20.20.17450.20.20.1745
06:000.20.20.1450.20.20.145
07:002.542.540.1502.542.540.150
08:002.592.590.1502.592.590.150
09:005.44.190.5555.44.190.555
10:006.953.090.5556.953.090.555
11:0073.090.55573.090.555
12:0073.050.53773.050.537
13:009.553.050.555.1770.50.555.17
14:009.563.060.56570.50.565
15:009.563.060.56570.50.565
16:00103.50.56570.50.565
17:009.563.060.56570.50.565
18:0073.050.55573.050.555
19:006.953.050.5556.953.050.555
20:0073.060.55573.060.555
21:007.143.490.55573.350.555
22:0073.890.55073.890.550
23:000.850.850.25450.250.250.2545