P-5

Ancillary Services Prices, Day Ahead Market

05/20/2005

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
01:000.20.20.16200.20.20.1620
02:000.20.20.16200.20.20.1620
03:000.20.20.16200.20.20.1620
04:000.20.20.16200.20.20.1620
05:000.840.840.16200.250.250.1620
06:000.840.840.16750.250.250.1675
07:0070.250.2581.1370.250.2581.13
08:0070.20.27570.20.275
09:0070.250.251470.250.2514
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
15:0070.320.321470.320.3214
16:0070.250.251470.250.2514
17:0070.250.251470.250.2514
18:0070.250.251470.250.2514
19:0070.250.251470.250.2514
20:0070.20.21470.20.214
21:0070.250.251470.250.2514
22:0070.250.251470.250.2514
23:002.492.490.25200.250.250.2520