P-5

Ancillary Services Prices, Day Ahead Market

06/04/2008

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)
00:003.343.340.1450.250.250.145
01:000.250.250.145.120.250.250.145.12
02:000.20.20.146.690.20.20.146.69
03:000.20.20.150.350.20.20.150.35
04:000.20.20.150.170.20.20.150.17
05:000.250.250.1450.250.250.145
06:003.353.350.1500.250.250.150
07:0073.990.16073.990.160
08:0073.390.57073.390.570
09:008.824.390.510072.570.5100
10:0073.350.56073.350.560
11:0073.350.56073.350.560
12:009.533.350.56070.820.560
13:009.853.350.56070.50.560
14:009.883.380.56070.50.560
15:009.883.380.56070.50.560
16:0036.294.790.564.3570.50.564.35
17:0029.894.290.562.8870.50.562.88
18:009.883.380.56070.50.560
19:0073.380.56073.380.560
20:009.883.380.56070.50.560
21:0073.490.56073.490.560
22:0073.490.55073.490.550
23:003.893.890.25450.250.250.2545