P-5

Ancillary Services Prices, Day Ahead Market

05/24/2008

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)
00:002.642.640.25450.250.250.2545
01:000.320.320.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.320.320.2563.130.250.250.2563.13
06:002.642.640.252500.250.250.25250
07:0073.090.525073.090.5250
08:0070.50.510070.50.5100
09:0073.390.54573.390.545
10:0073.350.54573.350.545
11:009.883.380.54570.50.545
12:009.883.380.54570.50.545
13:009.883.380.54570.50.545
14:009.883.380.54570.50.545
15:009.993.490.54570.50.545
16:0010.53.450.54570.50.545
17:0010.333.450.54570.50.545
18:009.843.340.54570.50.545
19:0011.423.450.9945.497.490.990.9945.49
20:0022.313.450.9945.497.490.990.9945.49
21:009.883.380.9945.497.490.990.9945.49
22:0070.50.54570.50.545
23:000.450.450.25450.250.250.2545