P-5

Ancillary Services Prices, Day Ahead Market

04/03/2008

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)
00:002.592.590.3550.30.30.355
01:000.370.370.356.280.30.30.356.28
02:000.250.250.2559.770.250.250.2559.77
03:000.250.250.2562.130.250.250.2562.13
04:000.250.250.2559.720.250.250.2559.72
05:002.542.540.3550.30.30.355
06:0020.623.090.3550.30.30.355
07:009.142.640.57070.50.570
08:00110.840.56570.50.565
09:0018.943.310.55070.50.550
10:0011.033.310.55070.50.550
11:0010.643.310.55070.50.550
12:0034.823.320.55070.50.550
13:0034.823.320.55070.50.550
14:0034.823.320.55070.50.550
15:0034.823.320.55070.50.550
16:0034.833.330.55070.50.550
17:0034.823.320.55070.50.550
18:0033.143.240.55070.50.550
19:0034.813.310.55070.50.550
20:0011.663.310.55070.50.550
21:0034.833.330.55070.50.550
22:00100.50.55070.50.550
23:005.120.410.3450.30.30.345