P-5

Ancillary Services Prices, Day Ahead Market

01/18/2006

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)
00:000.250.250.16430.250.250.1643
01:000.20.20.11430.20.20.1143
02:000.20.20.11430.20.20.1143
03:000.20.20.11430.20.20.1143
04:000.20.20.11430.20.20.1143
05:000.250.250.18750.250.250.1875
06:00330.251000.250.250.25100
07:007.090.250.1612570.160.16125
08:0070.50.59570.50.595
09:009.192.690.9981.037.490.990.9981.03
10:009.192.690.9978.857.490.990.9978.85
11:009.192.690.9928.497.490.990.9928.49
12:009.042.540.9928.497.490.990.9928.49
13:007.340.840.8428.347.340.840.8428.34
14:007.340.840.52870.50.528
15:007.340.840.52870.50.528
16:008.291.790.99907.490.990.9990
17:0016.592.540.9940.0115.040.990.9940.01
18:0011.872.540.9935.3210.320.990.9935.32
19:008.181.680.9931.237.490.990.9931.23
20:007.490.990.9982.127.490.990.9982.12
21:009.142.640.59070.50.590
22:007.250.25088.8470088.84
23:003.593.490.15430.250.150.1543