P-5

Ancillary Services Prices, Day Ahead Market

05/29/2007

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)
00:000.20.20.2450.20.20.245
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
06:000.250.250.2450.250.250.245
07:001.351.350.5501.351.350.550
08:004.194.190.5504.194.190.550
09:004.964.590.5504.964.590.550
10:006.574.590.5506.574.590.550
11:0074.590.55074.590.550
12:0074.590.55074.590.550
13:0074.590.55074.590.550
14:0074.590.55074.590.550
15:0074.590.55074.590.550
16:008.53251.58.53251.5
17:007.482.990.9850.487.482.990.9850.48
18:00730.550730.550
19:00730.550730.550
20:00730.550730.550
21:006.524.590.5476.524.590.547
22:004.534.190.5474.534.190.547
23:000.250.250.25470.250.250.2547