P-5

Ancillary Services Prices, Day Ahead Market

08/24/2007

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)
00:000.20.20.1450.20.20.145
01:000.20.20.1450.20.20.145
02:000.190.190.1450.190.190.145
03:000.190.190.1450.190.190.145
04:000.190.190.1450.190.190.145
05:000.20.20.1450.20.20.145
06:000.250.250.146.710.250.250.146.71
07:000.20.20.1500.20.20.150
08:000.590.590.1500.590.590.150
09:004.84.80.5554.84.80.555
10:00770.555770.555
11:00770.555770.555
12:008.58.50.560770.560
13:00104.990.960.47.42.390.960.4
14:009.454.990.960.47.42.940.960.4
15:0017.6311.130.960.47.40.90.960.4
16:0018.6112.110.960.47.40.90.960.4
17:007.44.990.960.47.44.990.960.4
18:0074.990.55574.990.555
19:0074.990.55574.990.555
20:008.544.990.55573.450.555
21:008.884.990.55573.110.555
22:0073.490.55073.490.550
23:002.492.490.25450.250.250.2545