P-5

Ancillary Services Prices, Day Ahead Market

11/29/2007

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
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.250.250.2551.060.250.250.2551.06
06:000.250.250.25450.250.250.2545
07:0070.50.55570.50.555
08:0070.50.56070.50.560
09:007.53.03160.57.53.03160.5
10:009.523.021.56181.51.561
11:0073.020.55073.020.550
12:0073.020.55073.020.550
13:0073.020.55073.020.550
14:0073.020.55073.020.550
15:0073.020.55073.020.550
16:00103.04362.59.53362.5
17:00103.04362.59.53362.5
18:0022.523.043809.53380
19:0010.983.043.0462.549.543.043.0462.54
20:009.53362.59.53362.5
21:0073.020.54573.020.545
22:009.092.590.54570.50.545
23:000.30.30.3450.30.30.345