P-5

Ancillary Services Prices, Day Ahead Market

02/29/2008

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)
00:003.493.490.3450.30.30.345
01:003.83.80.3450.30.30.345
02:003.83.80.3450.30.30.345
03:003.83.80.3450.30.30.345
04:003.83.80.3450.30.30.345
05:00550.384.710.30.30.384.71
06:0017.150.367.570.30.30.367.57
07:0026.335473.510.54473.5
08:0036.553.5657.2110.063.563.5657.21
09:0036.553.753.210.23.73.753.2
10:0036.553.5453.0410.043.543.5453.04
11:0036.553.5253.0210.023.523.5253.02
12:0036.550.55070.50.550
13:0036.550.55070.50.550
14:0036.550.55070.50.550
15:0036.550.55070.50.550
16:0036.550.594.8570.50.594.85
17:0036.553.4909.93.43.490
18:0044.055492.9418.054492.94
19:0036.553.665.9410.13.63.665.94
20:0036.553.5253.0210.023.523.5253.02
21:0011.550.578.5970.50.578.59
22:0011.550.55070.50.550
23:004.594.590.3450.30.30.345