P-5

Ancillary Services Prices, Day Ahead Market

06/09/2008

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)
00:000.740.740450.250.25045
01:000.20.20450.20.2045
02:000.20.20450.20.2045
03:000.20.20450.20.2045
04:000.20.20450.20.2045
05:002.542.54049.060.250.25049.06
06:000.250.250500.250.25050
07:004.294.290.1604.294.290.160
08:004.744.740.5904.744.740.590
09:0016.5100.59070.50.590
10:0074.990.59074.990.590
11:0027.2100.59070.50.590
12:0041.510493.510.54493.5
13:0016.510493.510.54493.5
14:0010.510493.510.510493.5
15:0010.510493.510.510493.5
16:0010.5104134.9110.5104134.91
17:0016.5101105.667.511105.66
18:0038.75100.510070.50.5100
19:0034.23100.510070.50.5100
20:0020.7910493.510.54493.5
21:0074.80.59074.80.590
22:0074.80.55074.80.550
23:002.692.690450.250.25045