P-5

Ancillary Services Prices, Day Ahead Market

05/23/2010

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)
00:005.225.040.07280.250.070.0728
01:003.63.420.07280.250.070.0728
02:000.250.250.07280.250.250.0728
03:000.250.250.07280.250.250.0728
04:000.250.250.07280.250.250.0728
05:002.182.180.07280.250.250.0728
06:003.63.420.07280.250.070.0728
07:00103.390.073070.390.0730
08:0011.975.040.073070.070.0730
09:0075.040.073075.040.0730
10:0075.040.073075.040.0730
11:0075.040.073075.040.0730
12:0075.040.073075.040.0730
13:0075.040.073075.040.0730
14:0075.040.073075.040.0730
15:0075.040.073075.040.0730
16:0075.040.073075.040.0730
17:0075.040.073075.040.0730
18:0075.040.073075.040.0730
19:0075.040.073075.040.0730
20:0011.975.040.073070.070.0730
21:007.435.040.073074.610.0730
22:0010.333.40.073070.070.0730
23:003.583.40.07300.250.070.0730