P-5

Ancillary Services Prices, Day Ahead Market

04/01/2008

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)
00:000.370.370.3450.30.30.345
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.380.380.3450.30.30.345
06:0015.883.090.3550.30.30.355
07:0017.923.523.5280.9217.923.523.5280.92
08:0016.833.553.556516.833.553.5565
09:0010.023.523.5253.0210.023.523.5253.02
10:0010.023.523.5253.0210.023.523.5253.02
11:0011.433.523.5253.0210.023.523.5253.02
12:0024.053.523.5253.0210.023.523.5253.02
13:0020.643.343.3452.849.843.343.3452.84
14:0019.163.333.3352.839.833.333.3352.83
15:0019.123.343.3452.849.843.343.3452.84
16:0021.663.343.3454.1111.113.343.3454.11
17:0019.123.343.3453.9710.973.343.3453.97
18:0019.513.343.3457.8814.883.343.3457.88
19:0028.673.63.661.8218.823.63.661.82
20:0018.823.63.661.8218.823.63.661.82
21:0015.783.523.5253.0210.023.523.5253.02
22:0026.260.50.55070.50.550
23:003.592.540.3450.30.30.345