P-5

Ancillary Services Prices, Day Ahead Market

11/09/2007

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
05:000.250.250.2549.210.250.250.2549.21
06:009.144.190.3600.30.30.360
07:0010.5447010.54470
08:0010.393.893.897010.393.893.8970
09:0010.083.583.5868.0810.083.583.5868.08
10:0010.353.853.8568.3510.353.853.8568.35
11:009.93.43.457.99.93.43.457.9
12:009.573.070.55570.50.555
13:009.573.070.55570.50.555
14:009.563.060.55570.50.555
15:009.563.060.55570.50.555
16:009.543.043.04809.543.043.0480
17:0017.013.523.528017.013.523.5280
18:0020.023.523.528020.023.523.5280
19:00103.53.568103.53.568
20:007.843.021.3465.847.843.021.3465.84
21:009.543.040.545.1170.50.545.11
22:0070.50.547.8770.50.547.87
23:000.250.250.25450.250.250.2545