P-5

Ancillary Services Prices, Day Ahead Market

03/31/2006

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)
00:002.492.490.25430.250.250.2543
01:002.992.990.25430.250.250.2543
02:000.250.250.25430.250.250.2543
03:000.250.250.25430.250.250.2543
04:002.992.990.25430.250.250.2543
05:003.272.990.9993.543.272.990.9993.54
06:000.840.840.25112.770.250.250.25112.77
07:0070.250.25103.0570.250.25103.05
08:0013.080.250.258013.080.250.2580
09:0017.062.690.998015.360.990.9980
10:0017.8810.998017.870.990.9980
11:0017.130.990.9953.1317.130.990.9953.13
12:009.492.990.9943.497.490.990.9943.49
13:009.492.990.9943.497.490.990.9943.49
14:009.192.690.9943.497.490.990.9943.49
15:009.192.690.6243.127.120.620.6243.12
16:007.340.840.598.1670.50.598.16
17:007.340.840.8499.287.340.840.8499.28
18:0014.480.990.998014.480.990.9980
19:0016.180.990.997416.180.990.9974
20:0015.060.990.998015.060.990.9980
21:007.490.990.9984.347.490.990.9984.34
22:0070.250.2585.4570.250.2585.45
23:000.390.390.3740.30.30.374