P-5

Ancillary Services Prices, Day Ahead Market

05/17/2010

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)
00:000.770.60.08280.250.080.0828
01:000.770.60.08280.250.080.0828
02:000.360.360.08280.250.250.0828
03:000.360.360.08280.250.250.0828
04:000.360.360.08280.250.250.0828
05:000.770.60.08280.250.080.0828
06:001.891.720.08280.250.080.0828
07:0070.90.173070.90.1730
08:0010.013.180.173070.170.1730
09:0011.73.20.173070.170.1730
10:00103.170.173070.170.1730
11:0010.013.180.173070.170.1730
12:00103.170.173070.170.1730
13:0010.013.180.173070.170.1730
14:00103.170.173070.170.1730
15:0013.493.210.173070.170.1730
16:0015.893.210.173070.170.1730
17:0012.613.210.173070.170.1730
18:008.541.710.173070.170.1730
19:008.922.090.173070.170.1730
20:0010.013.180.173070.170.1730
21:008.41.570.173070.170.1730
22:0070.90.083070.90.0830
23:001.891.690.05300.250.050.0530