P-5

Ancillary Services Prices, Day Ahead Market

02/23/2006

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
01:000.20.20.2430.20.20.243
02:000.20.20.2430.20.20.243
03:000.20.20.2430.20.20.243
04:000.20.20.2430.20.20.243
05:000.340.340.2596.10.250.250.2596.1
06:000.840.840.25105.210.250.250.25105.21
07:0070.250.25122.4770.250.25122.47
08:0070.250.25122.7270.250.25122.72
09:0013.32.690.999011.60.990.9990
10:0013.552.540.9998.01120.990.9998.01
11:0015.540.990.9951.5415.540.990.9951.54
12:0011.630.990.9947.6311.630.990.9947.63
13:0010.280.990.9946.2810.280.990.9946.28
14:008.970.990.9944.978.970.990.9944.97
15:0010.20.990.9946.210.20.990.9946.2
16:007.340.840.5109.2970.50.5109.29
17:0012.520.990.999012.520.990.9990
18:0021.360.990.9957.3621.360.990.9957.36
19:0014.030.990.9950.0314.030.990.9950.03
20:007.450.950.951017.450.950.95101
21:0070.50.599.770.50.599.7
22:0070.50.593.670.50.593.6
23:000.250.250.25430.250.250.2543