P-5

Ancillary Services Prices, Day Ahead Market

03/30/2010

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)
00:000.590.590.11280.250.250.1128
01:000.590.590.11280.250.250.1128
02:000.590.590.11280.250.250.1128
03:000.250.250.11280.250.250.1128
04:000.250.250.11280.250.250.1128
05:000.580.580.11280.250.250.1128
06:000.690.690.1138.280.250.250.1138.28
07:0052.330.253252.330.2532
08:005.092.330.25325.092.330.2532
09:0072.330.253272.330.2532
10:0072.330.253272.330.2532
11:0072.330.253272.330.2532
12:006.012.330.25326.012.330.2532
13:0052.330.253252.330.2532
14:0052.330.253252.330.2532
15:0052.330.253252.330.2532
16:0072.320.253272.320.2532
17:0072.320.253272.320.2532
18:0072.320.253272.320.2532
19:006.952.320.25326.952.320.2532
20:0052.320.253252.320.2532
21:004.392.320.25324.392.320.2532
22:002.322.320.25322.322.320.2532
23:000.590.590.11280.250.250.1128