P-5

Ancillary Services Prices, Day Ahead Market

05/27/2005

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)
00:0032.760.01200.250.010.0120
01:0032.90.15200.250.150.1520
02:000.20.20.18200.20.20.1820
03:002.782.690.16200.250.160.1620
04:002.792.690.15200.250.150.1520
05:00330.18200.250.250.1820
06:002.742.510.02112.530.250.020.02112.53
07:007.030.20.17100.5970.170.17100.59
08:0070.20.29570.20.295
09:009.210.250.2519.389.210.250.2519.38
10:0010.350.250.2517.3510.350.250.2517.35
11:0011.320.250.2518.3211.320.250.2518.32
12:008.50.250.2515.58.50.250.2515.5
13:008.070.250.2515.078.070.250.2515.07
14:007.720.250.2514.727.720.250.2514.72
15:007.190.250.2514.197.190.250.2514.19
16:008.880.250.2521.018.880.250.2521.01
17:007.160.250.2515.857.160.250.2515.85
18:008.480.250.2515.257.010.250.2515.25
19:0090.250.2515.0870.250.2515.08
20:0070.190.1916.5170.190.1916.51
21:0070.20.215.4670.20.215.46
22:0070.250.251470.250.2514
23:002.552.490.19200.250.190.1920