P-5

Ancillary Services Prices, Day Ahead Market

05/17/2008

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)
00:003.993.990.25450.250.250.2545
01:003.993.990.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.340.340.2552.240.250.250.2552.24
06:003.993.990.25112.330.250.250.25112.33
07:009.593.090.5115.0770.50.5115.07
08:0013.224.290.5136.3670.50.5136.36
09:009.993.490.54070.50.540
10:009.893.390.54070.50.540
11:009.893.390.54070.50.540
12:009.893.390.54070.50.540
13:009.893.390.54070.50.540
14:009.893.390.54070.50.540
15:0018.213.490.54070.50.540
16:0025.113.490.54070.50.540
17:0023.093.490.54070.50.540
18:0022.073.490.54070.50.540
19:0027.83.460.54070.50.540
20:009.883.380.54070.50.540
21:0027.683.460.54070.50.540
22:0011.263.890.55070.50.550
23:003.493.490.25450.250.250.2545