P-5

Ancillary Services Prices, Day Ahead Market

10/21/2006

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)
00:000.250.250.2430.250.250.243
01:000.840.840.2430.250.250.243
02:000.840.840.2430.250.250.243
03:000.840.840.2430.250.250.243
04:000.840.840.2430.250.250.243
05:000.840.840.2430.250.250.243
06:000.250.250.2430.250.250.243
07:003.093.090.5433.093.090.543
08:003.093.090.5433.093.090.543
09:006.453.890.5436.453.890.543
10:007.483.090.9843.487.483.090.9843.48
11:0072.550.54372.550.543
12:0073.090.54373.090.543
13:0073.090.54373.090.543
14:0073.090.54373.090.543
15:006.513.090.5436.513.090.543
16:0072.550.54372.550.543
17:0072.540.54372.540.543
18:009.593.090.54370.50.543
19:009.993.490.54370.50.543
20:0072.540.54372.540.543
21:008.233.091.7344.238.233.091.7344.23
22:0073.890.54373.890.543
23:000.840.840.25430.250.250.2543