P-5

Ancillary Services Prices, Day Ahead Market

05/08/2009

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)
00:003.323.320.25300.250.250.2530
01:003.363.360.25300.250.250.2530
02:003.363.360.25300.250.250.2530
03:003.363.360.25300.250.250.2530
04:003.363.360.25300.250.250.2530
05:003.363.360.25300.250.250.2530
06:003.353.350.2534.20.250.250.2534.2
07:0073.40.536.573.40.536.5
08:0073.360.54573.360.545
09:009.793.360.53070.570.530
10:009.853.350.53070.50.530
11:009.883.380.53070.50.530
12:009.883.380.53070.50.530
13:009.893.390.53070.50.530
14:009.883.380.53070.50.530
15:009.883.380.53070.50.530
16:009.893.390.53070.50.530
17:009.863.360.53070.50.530
18:0073.350.53073.350.530
19:0073.350.53073.350.530
20:0073.350.53073.350.530
21:0073.340.53073.340.530
22:003.353.350.5303.353.350.530
23:002.692.690.25300.250.250.2530