P-5

Ancillary Services Prices, Day Ahead Market

01/16/2009

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
01:003.493.490.25450.250.250.2545
02:003.493.490.25450.250.250.2545
03:003.493.490.25450.250.250.2545
04:003.493.490.25450.250.250.2545
05:003.493.490.3450.30.30.345
06:004.394.390.383.910.30.30.383.91
07:0074.390.579.7674.390.579.76
08:0073.890.574.9773.890.574.97
09:0074.590.576.2974.590.576.29
10:0074.790.580.7674.790.580.76
11:0074.790.57074.790.570
12:0074.790.57074.790.570
13:0074.790.57074.790.570
14:004.764.760.5704.764.760.570
15:003.493.490.5703.493.490.570
16:0070.50.510770.50.5107
17:0011.755.253.5895.910.083.583.5895.9
18:009.943.44284.098.52284.09
19:0071.940.570.0571.940.570.05
20:0071.940.574.4371.940.574.43
21:0074.790.57074.790.570
22:004.594.590.5454.594.590.545
23:000.30.30.3450.30.30.345