P-5

Ancillary Services Prices, Day Ahead Market

05/22/2010

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)
00:003.63.420.07280.250.070.0728
01:003.63.420.07280.250.070.0728
02:002.282.280.07280.250.250.0728
03:000.250.250.07280.250.250.0728
04:000.250.250.07280.250.250.0728
05:003.593.410.07280.250.070.0728
06:003.593.410.07280.250.070.0728
07:0010.333.40.073070.070.0730
08:0073.40.073073.40.0730
09:0075.040.073075.040.0730
10:008.15.040.073073.940.0730
11:007.625.040.073074.420.0730
12:007.245.040.073074.80.0730
13:007.165.040.073074.880.0730
14:007.465.040.073074.580.0730
15:008.065.040.073073.980.0730
16:007.155.040.073074.890.0730
17:0075.040.073075.040.0730
18:0075.040.073075.040.0730
19:0011.975.040.073070.070.0730
20:0011.975.040.073070.070.0730
21:0011.975.040.073070.070.0730
22:0010.343.410.073070.070.0730
23:003.593.410.07300.250.070.0730