P-5

Ancillary Services Prices, Day Ahead Market

04/27/2010

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)
00:001.781.630.1280.250.10.128
01:001.781.630.1280.250.10.128
02:000.250.250.1280.250.250.128
03:000.250.250.1280.250.250.128
04:000.250.250.1280.250.250.128
05:001.781.630.1280.250.10.128
06:001.791.640.1280.250.10.128
07:008.441.640.23570.20.235
08:008.471.670.23570.20.235
09:008.471.670.22070.20.220
10:0012.411.680.23570.20.235
11:0015.941.680.23570.20.235
12:0010.921.680.220.5770.20.220.57
13:0010.921.680.22070.20.220
14:0010.341.680.22070.20.220
15:0010.451.680.22070.20.220
16:009.241.670.22070.20.220
17:008.471.670.22070.20.220
18:007.260.510.220.9170.250.220.91
19:008.441.640.23570.20.235
20:008.441.640.223.2670.20.223.26
21:0070.510.23570.510.235
22:007.310.510.23570.20.235
23:000.590.440.1280.250.10.128