P-5

Ancillary Services Prices, Day Ahead Market

06/24/2008

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)
00:000.340.340450.250.25045
01:000.250.25045.670.250.25045.67
02:000.20.2052.150.20.2052.15
03:000.20.2056.170.20.2056.17
04:000.20.2055.970.20.2055.97
05:000.250.25047.710.250.25047.71
06:000.360.360810.250.25081
07:0073.990.16073.990.160
08:0073.490.16073.490.160
09:0074.20.56074.20.560
10:0073.490.56073.490.560
11:006.953.490.5606.953.490.560
12:0073.490.56073.490.560
13:009.933.490.56070.560.560
14:0010.794.290.545.7970.50.545.79
15:0033.064.590.56070.50.560
16:0036.34.82.4861.988.982.482.4861.98
17:0019.544.290.56070.50.560
18:009.953.450.56070.50.560
19:009.333.450.56071.120.560
20:0073.450.56073.450.560
21:0073.490.56073.490.560
22:0071.770.55071.770.550
23:003.893.890.25450.250.250.2545