P-5

Ancillary Services Prices, Day Ahead Market

05/26/2005

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)
00:000.840.840.16200.250.250.1620
01:000.840.840.16200.250.250.1620
02:000.20.20.16200.20.20.1620
03:000.20.20.16200.20.20.1620
04:000.20.20.16200.20.20.1620
05:002.542.540.16200.250.250.1620
06:002.862.620.01110.280.250.010.01110.28
07:0070.20.299.8670.20.299.86
08:0070.20.299.7770.20.299.77
09:007.110.250.2514.117.110.250.2514.11
10:0070.250.251470.250.2514
11:0070.250.251470.250.2514
12:0070.250.251470.250.2514
13:0070.250.251470.250.2514
14:0070.250.251470.250.2514
15:0070.250.251470.250.2514
16:007.060.250.2514.067.060.250.2514.06
17:0070.250.251470.250.2514
18:0070.250.251470.250.2514
19:0070.250.251470.250.2514
20:0070.190.191470.190.1914
21:0070.180.1819.3770.180.1819.37
22:0070.180.1814.5970.180.1814.59
23:000.450.20200.250020