P-5

Ancillary Services Prices, Day Ahead Market

05/19/2005

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)
00:000.250.250.17200.250.250.1720
01:000.840.840.17200.250.250.1720
02:000.20.20.17200.20.20.1720
03:000.20.20.17200.20.20.1720
04:000.20.20.17200.20.20.1720
05:000.840.840.17200.250.250.1720
06:000.940.710.02750.250.020.0275
07:0070.210.212070.210.2120
08:0070.20.1927.9570.20.1927.95
09:007.070.250.182070.180.1820
10:007.250.2501470014
11:007.250.2501470014
12:007.250.2501470014
13:007.250.2501470014
14:007.230.2501470.02014
15:0070.250.171470.250.1714
16:0070.250.1819.470.250.1819.4
17:0070.250.1914.7470.250.1914.74
18:0070.250.251470.250.2514
19:0070.250.251470.250.2514
20:0070.250.252070.250.2520
21:0070.250.251470.250.2514
22:0070.250.251470.250.2514
23:000.840.840.25200.250.250.2520