P-5

Ancillary Services Prices, Day Ahead Market

04/21/2010

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)
00:001.851.70.1280.250.10.128
01:001.851.70.1280.250.10.128
02:001.851.70.1280.250.10.128
03:001.851.70.1280.250.10.128
04:001.851.70.1280.250.10.128
05:001.851.70.1280.250.10.128
06:001.841.690.1280.250.10.128
07:0071.690.2325.0871.690.2325.08
08:0010.933.290.1326.4170.130.1326.41
09:0019.093.290.1323.5570.130.1323.55
10:0020.33.290.182270.180.1822
11:0020.33.290.1822.6670.180.1822.66
12:0020.123.290.162270.160.1622
13:0020.633.290.132270.130.1322
14:0020.293.290.1322.2370.130.1322.23
15:0020.633.290.1322.2470.130.1322.24
16:0020.353.290.1323.3470.130.1323.34
17:0016.583.290.0128.4670.010.0128.46
18:0016.253.290.013270.010.0132
19:0019.093.290.013270.010.0132
20:0019.431.720.233270.230.2332
21:009.091.720.133270.130.1332
22:008.451.680.233270.230.2332
23:001.831.680.1280.250.10.128