P-5

Ancillary Services Prices, Day Ahead Market

11/19/2007

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)
00:000.250.250.2576.580.250.250.2576.58
01:000.20.20.279.640.20.20.279.64
02:000.20.20.284.10.20.20.284.1
03:000.20.20.282.450.20.20.282.45
04:000.20.20.281.70.20.20.281.7
05:000.250.250.2576.690.250.250.2576.69
06:002.692.690.370.390.30.30.370.39
07:00103.490.572.570.50.572.5
08:00103.090.58070.50.580
09:0072.950.56072.950.560
10:0072.950.56072.950.560
11:00103.090.55070.50.550
12:009.530.55070.50.550
13:009.593.090.55070.50.550
14:009.462.960.55070.50.550
15:00103.433.4352.939.933.433.4352.93
16:009.462.962.96809.462.962.9680
17:0024.864425024.8644250
18:0022.934425022.9344250
19:0024.3544123.324.3544123.3
20:0013.013.543.54133.3913.013.543.54133.39
21:0072.950.54572.950.545
22:0070.50.54570.50.545
23:000.250.250.25450.250.250.2545