P-5

Ancillary Services Prices, Day Ahead Market

07/27/2010

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)
00:000.310.310.01300.250.250.0130
01:000.320.320.0123.650.250.250.0123.65
02:000.250.25028.230.250.25028.23
03:000.20.2029.670.20.2029.67
04:000.20.20300.20.2030
05:000.250.250300.250.25030
06:000.320.320.01300.250.250.0130
07:001.481.480.1451.481.480.145
08:001.451.450.1451.451.450.145
09:001.481.480.134.671.481.480.134.67
10:001.511.510.134.491.511.510.134.49
11:002.21.510.05322.21.510.0532
12:004.521.510.47324.521.510.4732
13:007.514.830.4743.4974.320.4743.49
14:00129.990.4753.7274.990.4753.72
15:00159.990.4758.0571.990.4758.05
16:0017.649.990.4761.128.120.470.4761.12
17:0010.429.990.4749.5676.570.4749.56
18:006.486.480.4736.366.486.480.4736.36
19:004.834.830.21324.834.830.2132
20:001.511.510.05321.511.510.0532
21:001.451.450.05321.451.450.0532
22:000.950.950.05450.950.950.0545
23:000.30.30300.250.25030