P-5

Ancillary Services Prices, Day Ahead Market

02/28/2007

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)
00:000.250.250.25450.250.250.2545
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.250.250.25500.250.250.2550
06:000.250.250.25550.250.250.2555
07:0072.640.56572.640.565
08:009.042.540.9965.497.490.990.9965.49
09:0010.253.75266.58.52266.5
10:009.593.09261.58.52261.5
11:009.593.090.55570.50.555
12:009.593.090.55570.50.555
13:009.593.090.55570.50.555
14:009.543.040.55570.50.555
15:009.363.030.55570.670.555
16:009.543.040.57570.50.575
17:009.863.03271.838.832271.83
18:0015.473.543.5483.4715.473.543.5483.47
19:009.533.03276.58.52276.5
20:009.523.022.867.39.32.82.867.3
21:00103.50.56070.50.560
22:0070.50.55570.50.555
23:000.250.250.25550.250.250.2555