P-5

Ancillary Services Prices, Day Ahead Market

05/07/2008

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
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.390.390.25450.250.250.2545
06:004.294.290.252500.250.250.25250
07:0010.794.290.510070.50.5100
08:009.192.690.510070.50.5100
09:0016.24.291.5151.018.011.511.5151.01
10:0017.963.890.8450.347.340.840.8450.34
11:0020.373.890.8450.347.340.840.8450.34
12:0019.824.293.5453.0410.043.543.5453.04
13:0023.044.293.5453.0410.043.543.5453.04
14:0023.074.292.6852.189.182.682.6852.18
15:0018.474.292.852.39.32.82.852.3
16:0033.154.160.7150.217.210.710.7150.21
17:0028.384.291.7251.228.221.721.7251.22
18:0018.593.950.55070.50.550
19:0018.493.950.55070.50.550
20:0015.774.293.5853.0810.083.583.5853.08
21:009.843.340.55070.50.550
22:0019.644.290.175070.170.1750
23:0018.584.790.17450.250.170.1745