P-5

Ancillary Services Prices, Day Ahead Market

04/29/2008

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)
00:000.250.250.25450.250.250.2545
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.250.250.25450.250.250.2545
06:0021.72.590.253000.250.250.25300
07:0032.340.840.530070.50.5300
08:009.653.093.093009.593.093.09300
09:009.673.173.17959.673.173.1795
10:0010.063.563.5653.0610.063.563.5653.06
11:0010.053.553.5553.0510.053.553.5553.05
12:0011.853.853.8553.3510.353.853.8553.35
13:0020.893.183.1852.689.683.183.1852.68
14:0016.723.183.1852.689.683.183.1852.68
15:0035.063.563.5653.0610.063.563.5653.06
16:0034.93.43.4959.93.43.495
17:0034.673.173.17959.673.173.1795
18:0025.493.143959.53395
19:009.643.143.14959.643.143.1495
20:0021.423.193.19959.693.193.1995
21:0026.293.193.19959.693.193.1995
22:008.280.50.55070.50.550
23:0010.730.30.3450.30.30.345