P-5

Ancillary Services Prices, Day Ahead Market

04/20/2010

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)
00:002.531.680.07280.250.070.0728
01:002.531.680.07280.250.070.0728
02:002.531.680.07280.250.070.0728
03:002.531.680.07280.250.070.0728
04:002.531.680.07280.250.070.0728
05:002.531.680.07280.250.070.0728
06:001.81.660.11280.250.110.1128
07:0071.660.253571.660.2535
08:008.551.70.1526.7470.150.1526.74
09:0012.911.70.1526.6570.150.1526.65
10:0014.471.70.1525.8570.150.1525.85
11:0016.881.70.1526.8870.150.1526.88
12:0017.241.70.1525.670.150.1525.6
13:0017.551.70.1526.5170.150.1526.51
14:0017.061.70.1524.7270.150.1524.72
15:0017.341.70.1525.6770.150.1525.67
16:0017.71.70.1526.2970.150.1526.29
17:0017.731.70.1528.0970.150.1528.09
18:0010.951.70.1529.3170.150.1529.31
19:0014.031.70.193570.190.1935
20:008.431.680.252470.250.2524
21:0071.660.253571.660.2535
22:008.421.670.253570.250.2535
23:001.821.680.11280.250.110.1128