P-5

Ancillary Services Prices, Day Ahead Market

05/14/2008

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
01:000.250.250.25450.250.250.2545
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:003.093.090.2551.320.250.250.2551.32
06:002.692.690.2598.050.250.250.2598.05
07:0011.114.290.1810070.180.18100
08:0017.754.790.1910070.190.19100
09:0010.393.890.55070.50.550
10:0010.083.583.5853.0810.083.583.5853.08
11:0010.393.893.8953.3910.393.893.8953.39
12:0010.393.893.8953.3910.393.893.8953.39
13:0010.54453.510.54453.5
14:009.893.392.5152.019.012.512.5152.01
15:009.963.463.4652.969.963.463.4652.96
16:009.853.352.4651.968.962.462.4651.96
17:009.843.340.55070.50.550
18:0030.653.390.55070.50.550
19:00203.460.55070.50.550
20:0010.54453.510.54453.5
21:0035.393.893.5853.0810.083.583.5853.08
22:009.993.490.55070.50.550
23:003.893.890.25450.250.250.2545