P-5

Ancillary Services Prices, Day Ahead Market

11/03/2008

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)
00:000.250.250.25450.250.250.2545
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
06:003.373.370.3500.30.30.350
07:0073.350.545.9973.350.545.99
08:009.853.350.54570.50.545
09:009.853.350.7550.257.250.750.7550.25
10:009.843.340.55070.50.550
11:009.863.360.55070.50.550
12:009.843.340.55070.50.550
13:009.843.340.55070.50.550
14:009.833.330.55070.50.550
15:009.023.330.55071.310.550
16:009.853.350.7550.257.250.750.7550.25
17:009.853.350.9950.497.490.990.9950.49
18:009.833.331.2350.737.731.231.2350.73
19:0011.123.351.2350.737.731.231.2350.73
20:007.063.320.5650.067.063.320.5650.06
21:005.553.330.5505.553.330.550
22:003.333.330.5503.333.330.550
23:002.592.590.3450.30.30.345