P-5

Ancillary Services Prices, Day Ahead Market

04/30/2010

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)
00:001.81.650.1280.250.10.128
01:001.81.650.1280.250.10.128
02:001.81.650.1280.250.10.128
03:001.81.650.1280.250.10.128
04:001.81.650.1280.250.10.128
05:001.81.650.1280.250.10.128
06:001.81.650.1280.250.10.128
07:008.491.660.173570.170.1735
08:008.511.680.173570.170.1735
09:0018.231.680.1722.1170.170.1722.11
10:0024.721.680.173570.170.1735
11:0026.651.680.173570.170.1735
12:0023.481.680.1721.4870.170.1721.48
13:0027.031.680.1725.0370.170.1725.03
14:0026.481.680.1724.4870.170.1724.48
15:0024.741.680.1722.7470.170.1722.74
16:0024.391.680.1722.3970.170.1722.39
17:0018.291.680.13570.10.135
18:0011.541.680.073570.070.0735
19:009.381.670.073570.070.0735
20:007.541.640.172071.10.1720
21:008.481.650.173570.170.1735
22:0071.640.173571.640.1735
23:001.641.640.1280.250.250.128