P-5

Ancillary Services Prices, Day Ahead Market

07/31/2010

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)
00:000.850.610.01300.250.010.0130
01:000.360.360.01300.250.250.0130
02:000.250.250.01300.250.250.0130
03:000.250.250.01300.250.250.0130
04:000.250.250.01300.250.250.0130
05:000.250.250.01300.250.250.0130
06:000.840.60.01300.250.010.0130
07:005.670.590.01455.670.590.0145
08:004.850.590.01454.850.590.0145
09:0070.590.014570.590.0145
10:007.150.590.013270.440.0132
11:007.610.620.013270.010.0132
12:007.610.620.013270.010.0132
13:0070.590.013270.590.0132
14:0070.590.0142.9770.590.0142.97
15:0070.590.013270.590.0132
16:0070.590.013270.590.0132
17:0070.590.013270.590.0132
18:007.610.620.0142.9770.010.0142.97
19:007.430.590.0135.6870.160.0135.68
20:0070.590.0135.2770.590.0135.27
21:0070.590.014570.590.0145
22:0070.590.014570.590.0145
23:000.570.570.01300.250.250.0130