P-5

Ancillary Services Prices, Day Ahead Market

03/31/2011

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)
00:003.613.380.0270.250.020.027
01:003.613.380.0270.250.020.027
02:003.613.380.0270.250.020.027
03:003.613.380.0270.250.020.027
04:003.613.380.0270.250.020.027
05:003.573.340.0270.250.020.027
06:007.43.380.02154.040.020.0215
07:0010.323.340.0216.570.020.0216.5
08:0010.363.380.0216.570.020.0216.5
09:0010.363.380.021670.020.0216
10:0010.363.380.021670.020.0216
11:0010.363.380.021670.020.0216
12:0010.363.380.021670.020.0216
13:0010.363.380.021670.020.0216
14:0010.363.380.021670.020.0216
15:0010.363.380.021670.020.0216
16:0010.363.380.0216.570.020.0216.5
17:0010.323.340.0216.570.020.0216.5
18:0010.323.340.021670.020.0216
19:0010.433.450.021670.020.0216
20:0010.363.380.021670.020.0216
21:0010.323.340.02770.020.027
22:0010.363.380.02770.020.027
23:003.633.40.0270.250.020.027