P-5

Ancillary Services Prices, Day Ahead Market

08/31/2010

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)
00:000.080.080.01300.080.080.0130
01:000.080.080.0110.160.080.080.0110.16
02:000.070.070.0114.550.070.070.0114.55
03:000.070.070.0116.60.070.070.0116.6
04:000.070.070.0121.340.070.070.0121.34
05:000.070.070.01300.070.070.0130
06:000.080.080.01300.080.080.0130
07:004.50.240.144.54.50.240.144.5
08:0050.240.174550.240.1745
09:0050.240.172850.240.1728
10:0070.240.1733.7470.240.1733.74
11:00770.1745770.1745
12:00990.1745770.1745
13:0016.829.990.175070.170.1750
14:0016.829.990.175070.170.1750
15:0018.829.990.175290.170.1752
16:0023.739.990.1756.9113.910.170.1756.91
17:0016.799.990.25070.20.250
18:007.127.120.1745770.1745
19:009.999.990.1745770.1745
20:009.999.990.1745770.1745
21:00770.1737.95770.1737.95
22:00770.1745770.1745
23:000.340.10.01300.250.010.0130