P-5

Ancillary Services Prices, Day Ahead Market

05/30/2007

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)
00:000.190.190.19450.190.190.1945
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.20.20.2450.20.20.245
06:000.20.20.2450.20.20.245
07:002.642.640.5502.642.640.550
08:004.194.190.5504.194.190.550
09:006.573.890.5506.573.890.550
10:005.4130.5505.4130.550
11:00730.550730.550
12:0073.740.537.1473.740.537.14
13:009.530.542.8670.50.542.86
14:009.530.544.570.50.544.5
15:0010.083.580.55070.50.550
16:0011.294.79251.58.52251.5
17:009.53251.58.52251.5
18:00730.550730.550
19:005.8630.5505.8630.550
20:00730.550730.550
21:007.493.890.9947.497.493.890.9947.49
22:007.494.190.9947.497.494.190.9947.49
23:000.250.250.25470.250.250.2547