P-5

Ancillary Services Prices, Day Ahead Market

08/21/2007

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)
00:000.250.250.25450.250.250.2545
01:002.642.640.25450.250.250.2545
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.250.250.25450.250.250.2545
06:002.642.640.2573.270.250.250.2573.27
07:004.693.990.552.14.693.990.552.1
08:0073.890.55073.890.550
09:0073.890.55573.890.555
10:006.953.090.5556.953.090.555
11:0073.090.55573.090.555
12:0073.090.56073.090.560
13:007.553.090.56072.540.560
14:009.563.060.56070.50.560
15:00103.50.56070.50.560
16:009.563.060.56070.50.560
17:009.553.050.56070.50.560
18:0073.020.55573.020.555
19:0073.060.55573.060.555
20:0073.060.55573.060.555
21:009.543.040.58070.50.580
22:0073.890.55073.890.550
23:002.832.830.25450.250.250.2545