P-5

Ancillary Services Prices, Day Ahead Market

04/23/2010

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)
00:001.831.680.1280.250.10.128
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
06:001.851.70.1280.250.10.128
07:008.471.680.212070.210.2120
08:0014.551.70.172070.170.1720
09:0016.611.70.212070.210.2120
10:0016.291.70.212070.210.2120
11:0016.811.70.212070.210.2120
12:0016.841.70.212070.210.2120
13:0017.191.70.212070.210.2120
14:0016.691.70.172070.170.1720
15:0016.811.70.172070.170.1720
16:0016.821.70.1721.4670.170.1721.46
17:0015.461.70.1725.2170.170.1725.21
18:0012.621.70.1727.9570.170.1727.95
19:0014.261.70.173270.170.1732
20:008.481.690.2124.8870.210.2124.88
21:008.461.670.213270.210.2132
22:008.461.670.213270.210.2132
23:001.831.680.1280.250.10.128