P-5

Ancillary Services Prices, Day Ahead Market

05/31/2005

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)
00:000.20.20.18200.20.20.1820
01:000.20.20.18200.20.20.1820
02:000.20.20.18200.20.20.1820
03:000.20.20.18200.20.20.1820
04:000.20.20.18200.20.20.1820
05:000.20.20.16200.20.20.1620
06:002.12.010.16112.860.250.160.16112.86
07:0070.250.17100.8170.250.17100.81
08:0070.20.29570.20.295
09:0070.250.252070.250.2520
10:0070.250.251470.250.2514
11:0070.250.251470.250.2514
12:0070.250.251470.250.2514
13:0070.250.251470.250.2514
14:007.060.250.191470.190.1914
15:0070.250.251470.250.2514
16:0070.250.2514.6570.250.2514.65
17:0070.250.2514.7870.250.2514.78
18:0070.250.2515.3670.250.2515.36
19:0070.250.2514.770.250.2514.7
20:0070.250.2517.9470.250.2517.94
21:0070.250.2514.7470.250.2514.74
22:0070.250.251470.250.2514
23:003.793.790.25200.250.250.2520