P-5

Ancillary Services Prices, Day Ahead Market

04/22/2010

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)
00:001.831.680.1280.250.10.128
01:001.831.680.1280.250.10.128
02:001.831.680.1280.250.10.128
03:001.831.680.1280.250.10.128
04:001.831.680.1280.250.10.128
05:001.831.680.1280.250.10.128
06:001.841.690.1280.250.10.128
07:008.451.670.223270.220.2232
08:0018.071.70.173270.170.1732
09:0019.551.70.1725.2970.170.1725.29
10:0019.741.70.223270.220.2232
11:008.471.690.223270.220.2232
12:0019.891.70.1723.1570.170.1723.15
13:0017.11.70.172270.170.1722
14:0015.561.70.162270.160.1622
15:0015.521.720.162270.160.1622
16:0015.521.720.1222.3570.120.1222.35
17:0015.051.720.1227.0670.120.1227.06
18:009.551.70.123270.120.1232
19:008.491.680.193270.190.1932
20:008.471.690.2226.0170.220.2226.01
21:0071.670.223271.670.2232
22:0071.670.223271.670.2232
23:001.821.670.1280.250.10.128