P-5

Ancillary Services Prices, Day Ahead Market

05/19/2009

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)
00:000.840.840.25320.250.250.2532
01:002.592.590.25320.250.250.2532
02:000.20.20.2320.20.20.232
03:000.20.20.2320.20.20.232
04:000.20.20.2320.20.20.232
05:002.592.590.25320.250.250.2532
06:00110.2532.130.250.250.2532.13
07:0073.410.536.573.410.536.5
08:0053.380.54453.380.544
09:0063.380.53263.380.532
10:0063.380.53263.380.532
11:0063.380.53263.380.532
12:006.53.380.5326.53.380.532
13:006.73.380.5326.73.380.532
14:006.663.380.5326.663.380.532
15:006.53.380.5326.53.380.532
16:006.53.380.5326.53.380.532
17:006.53.360.5326.53.360.532
18:006.53.360.5326.53.360.532
19:006.53.360.5326.53.360.532
20:009.273.360.53271.090.532
21:0073.390.53273.390.532
22:005.53.410.5325.53.410.532
23:003.343.340.25320.250.250.2532