P-5

Ancillary Services Prices, Day Ahead Market

05/25/2007

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)
00:000.180.180.1450.180.180.145
01:000.20.20.1450.20.20.145
02:000.20.20.1450.20.20.145
03:000.20.20.1450.20.20.145
04:000.20.20.1450.20.20.145
05:000.20.20.1450.20.20.145
06:000.190.190.154.790.190.190.154.79
07:005.014.790.1555.014.790.155
08:0074.790.55574.790.555
09:0010.527.50.55573.980.555
10:0012.087.53.157.69.65.023.157.6
11:0016.510256.58.52256.5
12:0016.5104.0158.5110.514.014.0158.51
13:0021.83104.5359.0311.034.534.5359.03
14:0023.83104.6359.1311.134.634.6359.13
15:0021.56104.5359.0311.034.534.5359.03
16:0021.56104.537511.034.534.5375
17:0016.5104.5371.2911.034.534.5371.29
18:0015.488.98256.58.52256.5
19:0015.989.48256.58.52256.5
20:00147.52.1956.698.692.192.1956.69
21:008.497.50.54776.010.547
22:0074.790.54774.790.547
23:002.692.690.25450.250.250.2545