P-5

Ancillary Services Prices, Day Ahead Market

10/30/2010

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)
00:002.822.590.024.470.250.020.024.47
01:002.822.590.024.470.250.020.024.47
02:002.822.590.024.250.250.020.024.25
03:002.822.590.027.750.250.020.027.75
04:002.822.590.0212.80.250.020.0212.8
05:002.772.540.02270.250.020.0227
06:002.352.350.0228.40.250.250.0228.4
07:002.972.370.027.752.972.370.027.75
08:004.142.370.025.944.142.370.025.94
09:0072.370.024.2572.370.024.25
10:0072.370.024.2572.370.024.25
11:0072.370.024.2572.370.024.25
12:0072.370.024.2572.370.024.25
13:0072.370.024.2572.370.024.25
14:0072.370.024.2772.370.024.27
15:0072.370.024.7372.370.024.73
16:0072.370.027.7572.370.027.75
17:0072.370.027.7572.370.027.75
18:008.622.370.0217.6570.750.0217.65
19:008.182.370.0210.2971.190.0210.29
20:0072.370.027.7472.370.027.74
21:0072.370.028.1372.370.028.13
22:009.352.370.025.3370.020.025.33
23:002.772.540.027.820.250.020.027.82