P-5

Ancillary Services Prices, Day Ahead Market

02/09/2009

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)
00:003.373.370.3450.30.30.345
01:000.840.840.3450.30.30.345
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:003.413.410.3450.30.30.345
06:003.383.380.3450.30.30.345
07:0016.334.790.54570.50.545
08:0020.323.563.5648.0610.063.563.5648.06
09:0018.383.53.548103.53.548
10:0014.053.53.548103.53.548
11:0018.913.452.9747.479.472.972.9747.47
12:0012.643.45347.59.53347.5
13:009.883.381.4545.957.951.451.4545.95
14:009.953.451.3245.827.821.321.3245.82
15:009.883.380.8445.347.340.840.8445.34
16:0014.13.380.9945.497.490.990.9945.49
17:00103.53.548103.53.548
18:0010.043.543.5448.0410.043.543.5448.04
19:0020.893.493.4947.999.993.493.4947.99
20:0026.63.493.4947.999.993.493.4947.99
21:0012.973.38246.58.52246.5
22:009.863.360.54570.50.545
23:003.373.370.3450.30.30.345