P-5

Ancillary Services Prices, Day Ahead Market

07/16/2007

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)
00:000.250.250450.250.25045
01:000.160.160450.160.16045
02:000.150.150450.150.15045
03:000.150.150450.150.15045
04:000.150.150450.150.15045
05:000.160.160450.160.16045
06:000.150.150450.150.15045
07:003.093.090.1503.093.090.150
08:002.542.540.1502.542.540.150
09:003.093.090.1553.093.090.155
10:003.093.090.559.313.093.090.559.31
11:0073.490.558.0573.490.558.05
12:0073.490.53773.490.537
13:0015.144.014.0145.1415.144.014.0145.14
14:0024.914.594.1554.9124.914.594.1554.91
15:00254.394.1572.29254.394.1572.29
16:0028.174.594.1510027.734.154.15100
17:00103.50.557.1170.50.557.11
18:0073.050.562.7673.050.562.76
19:006.53.070.563.096.53.070.563.09
20:0073.070.56573.070.565
21:0073.490.55573.490.555
22:0073.090.55073.090.550
23:002.492.490.1450.250.250.145