P-5

Ancillary Services Prices, Day Ahead Market

09/23/2006

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)
00:000.250.250.25430.250.250.2543
01:000.840.840.25430.250.250.2543
02:000.840.840.25430.250.250.2543
03:000.840.840.25430.250.250.2543
04:000.840.840.25430.250.250.2543
05:000.840.840.25430.250.250.2543
06:000.250.250.25430.250.250.2543
07:0073.490.56573.490.565
08:0073.090.564.4873.090.564.48
09:0074.990.56574.990.565
10:008.954.990.54373.040.543
11:009.824.990.54372.170.543
12:009.854.990.54372.140.543
13:0074.990.54374.990.543
14:0074.990.54374.990.543
15:0074.990.54374.990.543
16:0073.890.54373.890.543
17:0073.890.54373.890.543
18:0010.093.890.54370.80.543
19:0010.794.290.54370.50.543
20:0010.794.290.54370.50.543
21:0074.990.54374.990.543
22:007.393.090.54372.70.543
23:000.250.250.25430.250.250.2543