P-5

Ancillary Services Prices, Day Ahead Market

05/11/2008

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)
00:000.410.410.25450.250.250.2545
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
06:000.410.410.25500.250.250.2550
07:0072.690.57072.690.570
08:0035.393.890.54070.50.540
09:0035.393.890.54070.50.540
10:0035.393.890.54070.50.540
11:0035.393.890.54070.50.540
12:0035.393.890.54070.50.540
13:0035.393.890.54070.50.540
14:0035.393.890.54070.50.540
15:0035.393.890.54070.50.540
16:0035.393.890.54070.50.540
17:0035.393.890.54070.50.540
18:0035.393.890.54070.50.540
19:0035.393.890.54070.50.540
20:0035.794.290.543.5770.50.543.57
21:0035.393.890.54070.50.540
22:0035.794.290.55070.50.550
23:0029.994.990.3450.30.30.345