P-5

Ancillary Services Prices, Day Ahead Market

06/27/2008

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)
00:002.642.64035.620.250.25035.62
01:000.570.570450.250.25045
02:000.570.570450.250.25045
03:000.570.570450.250.25045
04:000.570.570450.250.25045
05:000.570.570450.250.25045
06:002.642.640500.250.25050
07:003.343.340603.343.34060
08:003.343.340803.343.34080
09:003.893.890.1803.893.890.180
10:003.893.890.5803.893.890.580
11:0074.290.57574.290.575
12:0010.794.29253.468.52253.46
13:0011.55382.59.53382.5
14:0041.5103.5883.0810.083.583.5883.08
15:0049.99103.5691.5518.553.563.5691.55
16:0049.97103.58125.3918.553.583.58125.39
17:0043.9103.6116.7612.53.63.6116.76
18:0016.5103.5683.0610.063.563.5683.06
19:0073.390.58073.390.580
20:0011.34.8382.59.53382.5
21:0074.590.58074.590.580
22:0073.390.55073.390.550
23:003.363.360.16450.250.250.1645