P-5

Ancillary Services Prices, Day Ahead Market

05/15/2008

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)
00:000.840.840.25450.250.250.2545
01:000.320.320.25450.250.250.2545
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:003.093.090.2545.020.250.250.2545.02
06:002.592.590.252500.250.250.25250
07:0036.64.790.1925070.190.19250
08:0035.713.890.1825070.180.18250
09:009.893.393.3967.899.893.393.3967.89
10:0010.13.63.678.110.13.63.678.1
11:0010.393.893.8978.3910.393.893.8978.39
12:0010.393.893.8978.3910.393.893.8978.39
13:0010.353.853.8578.3510.353.853.8578.35
14:00103.53.568103.53.568
15:009.883.380.56570.50.565
16:0034.953.453.4571.519.953.453.4571.51
17:009.893.393.3967.899.893.393.3967.89
18:00103.390.56570.50.565
19:0012.553.390.56570.50.565
20:009.893.393.3977.899.893.393.3977.89
21:0011.193.490.56570.50.565
22:0034.334.290.55070.50.550
23:003.893.890.25450.250.250.2545