P-5

Ancillary Services Prices, Day Ahead Market

09/30/2006

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
01:000.250.250.25430.250.250.2543
02:000.250.250.25430.250.250.2543
03:000.250.250.25430.250.250.2543
04:000.250.250.25430.250.250.2543
05:000.250.250.25430.250.250.2543
06:000.250.250.25430.250.250.2543
07:000.840.840.550.940.840.840.550.94
08:0073.090.547.573.090.547.5
09:0074.590.54374.590.543
10:008.914.390.54372.480.543
11:0011.494.990.54370.50.543
12:0011.294.790.54370.50.543
13:0011.494.990.54370.50.543
14:0011.494.990.54370.50.543
15:0011.294.790.54370.50.543
16:009.293.890.54371.60.543
17:0073.890.54373.890.543
18:0073.890.54373.890.543
19:0015.929.420.54370.50.543
20:008.513.890.54372.380.543
21:0074.290.54374.290.543
22:0073.090.54373.090.543
23:000.250.250.25430.250.250.2543