P-5

Ancillary Services Prices, Day Ahead Market

06/11/2008

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)
00:000.250.250350.250.25035
01:000.20.2043.750.20.2043.75
02:000.20.20450.20.2045
03:000.20.20450.20.2045
04:000.20.20450.20.2045
05:000.20.2048.680.20.2048.68
06:000.840.840.1500.250.250.150
07:004.24.20.1604.24.20.160
08:004.294.290.1904.294.290.190
09:004.394.390.5754.394.390.575
10:004.594.59190.744.594.59190.74
11:0074.990.57574.990.575
12:0074.990.59074.990.590
13:00114.990.59070.990.590
14:0074.990.59074.990.590
15:0010.54.99493.510.54.99493.5
16:0021.399.864.0298.5415.544.024.0298.54
17:0022.99104.01100174.014.01100
18:0010.084.293.5893.0810.084.293.5893.08
19:006.954.292.6492.146.954.292.6492.14
20:007.264.993.5893.087.264.993.5893.08
21:0010.084.993.5893.0810.084.993.5893.08
22:0011.494.990.55070.50.550
23:004.84.80.25450.250.250.2545