P-5

Ancillary Services Prices, Day Ahead Market

02/28/2006

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)
00:000.20.20.11430.20.20.1143
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
05:000.840.840.18750.250.250.1875
06:002.82.730.18950.250.180.1895
07:007.230.250.0298.2970.020.0298.29
08:0070.250.2510070.250.25100
09:009.530.59070.50.590
10:009.042.540.59070.50.590
11:009.042.540.54370.50.543
12:009.042.540.54370.50.543
13:0070.250.254370.250.2543
14:007.160.250.094370.090.0943
15:008.41.90.54370.50.543
16:0070.50.598.3370.50.598.33
17:0010.422.540.54370.50.543
18:0026.30.990.9967.487.490.990.9967.48
19:0070.50.544.1770.50.544.17
20:0070.50.59070.50.590
21:009.032.530.59070.50.590
22:0070.250.257570.250.2575
23:000.340.340.25430.250.250.2543