P-5

Ancillary Services Prices, Day Ahead Market

07/09/2009

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)
00:000.250.250.25320.250.250.2532
01:000.840.840.25320.250.250.2532
02:000.840.840.25320.250.250.2532
03:000.20.20.2320.20.20.232
04:000.20.20.2320.20.20.232
05:000.840.840.25320.250.250.2532
06:000.840.840.25320.250.250.2532
07:0053.890.53253.890.532
08:0053.390.53253.390.532
09:005.913.390.5325.913.390.532
10:006.313.370.5326.313.370.532
11:007.613.360.53272.750.532
12:009.863.360.53270.50.532
13:009.863.360.53270.50.532
14:009.873.37233.58.52233.5
15:009.893.39233.58.52233.5
16:009.873.372.634.19.12.62.634.1
17:009.863.362.0533.558.552.052.0533.55
18:006.513.341.2232.726.53.331.2232.72
19:006.153.351.0232.526.153.351.0232.52
20:007.783.350.5326.52.070.532
21:006.153.370.5326.153.370.532
22:009.913.410.53270.50.532
23:003.373.370.25320.250.250.2532