P-5

Ancillary Services Prices, Day Ahead Market

01/18/2009

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)
00:003.143.140.3450.30.30.345
01:000.30.30.3450.30.30.345
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.30.30.3450.30.30.345
06:002.542.540.3450.30.30.345
07:003.893.890.5453.893.890.545
08:003.493.490.5453.493.490.545
09:003.893.890.5453.893.890.545
10:004.294.290.5454.294.290.545
11:003.893.890.5453.893.890.545
12:003.363.360.5453.363.360.545
13:003.093.090.5453.093.090.545
14:002.642.640.5452.642.640.545
15:002.642.640.5452.642.640.545
16:004.23.490.5454.23.490.545
17:0075.250.54575.250.545
18:0011.755.250.54570.50.545
19:0011.755.250.54570.50.545
20:0073.490.54573.490.545
21:006.414.590.5456.414.590.545
22:004.294.290.5454.294.290.545
23:003.093.090.3450.30.30.345