P-5

Ancillary Services Prices, Day Ahead Market

12/14/2007

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)
00:000.250.250.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.250.250.25450.250.250.2545
06:000.250.250.25500.250.250.2550
07:0070.50.530070.50.5300
08:0070.50.530070.50.5300
09:0010.554.053.5525010.053.553.55250
10:0010.544.043.5525010.053.553.55250
11:0010.542.261008.762.262.26100
12:0010.1242.331008.832.712.33100
13:008.6742.171008.6742.17100
14:00440.5100440.5100
15:0073.890.510173.890.5101
16:0010.514.013.5488.0410.043.543.5488.04
17:0010.514.014.0198.5110.514.014.0198.51
18:0013.024.02498.510.54498.5
19:0010.393.89387.59.53387.5
20:0071.70.58571.70.585
21:003.093.090.5703.093.090.570
22:000.20.20.2500.20.20.250
23:000.250.250.25500.250.250.2550