P-5

Ancillary Services Prices, Day Ahead Market

09/28/2005

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)
00:002.642.640.15430.250.250.1543
01:000.20.20.1430.20.20.143
02:000.20.20.1430.20.20.143
03:000.20.20.1430.20.20.143
04:000.20.20.1430.20.20.143
05:000.250.250.1123.120.250.250.1123.12
06:002.642.640.17750.250.250.1775
07:00730.1775730.1775
08:0070.250.177570.250.1775
09:009.530.540.1570.50.540.15
10:009.530.54070.50.540
11:001030.550.1870.50.550.18
12:001030.538.2270.50.538.22
13:0011.6830.546.570.50.546.5
14:0012.3130.9940.147.490.990.9940.14
15:0017.9130.9945.777.490.990.9945.77
16:0034.530.99907.490.990.9990
17:0012.650.990.99757.490.990.9975
18:00100.50.57570.50.575
19:00320.50.584.1870.50.584.18
20:0034.530.568.0770.50.568.07
21:003030.550.0270.50.550.02
22:009.593.090.550.3970.50.550.39
23:003.093.090.25430.250.250.2543