P-5

Ancillary Services Prices, Day Ahead Market

07/03/2009

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)
00:00110.25320.250.250.2532
01:00110.17320.250.250.1732
02:00110.17320.250.250.1732
03:00110.17320.250.250.1732
04:00110.17320.250.250.1732
05:00110.17320.250.250.1732
06:00110.17320.250.250.1732
07:0053.420.1736.1953.420.1736.19
08:0053.380.1733.4753.380.1733.47
09:0053.380.173253.380.1732
10:005.983.370.5325.983.370.532
11:0073.370.53273.370.532
12:0073.370.53273.370.532
13:007.543.360.233272.820.2332
14:009.873.370.53270.50.532
15:009.873.370.53270.50.532
16:009.853.350.539.0370.50.539.03
17:009.423.330.1738.6170.910.1738.61
18:0053.350.263253.350.2632
19:0053.350.53253.350.532
20:0073.350.53273.350.532
21:006.213.370.5326.213.370.532
22:009.893.390.53270.50.532
23:003.373.370.25320.250.250.2532