P-5

Ancillary Services Prices, Day Ahead Market

11/21/2008

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)
00:000.840.840.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:002.642.640.25450.250.250.2545
06:003.343.340.25450.250.250.2545
07:0073.350.54573.350.545
08:009.833.331.1245.627.621.121.1245.62
09:009.833.331.1245.627.621.121.1245.62
10:009.823.321.1245.627.621.121.1245.62
11:009.833.330.9945.497.490.990.9945.49
12:009.833.330.54570.50.545
13:009.833.330.54570.50.545
14:007.593.320.54572.730.545
15:007.613.320.54572.710.545
16:007.622.641.1245.627.622.641.1245.62
17:0011.143.343.3449.1411.143.343.3449.14
18:007.622.641.1245.627.622.641.1245.62
19:007.492.640.9945.497.492.640.9945.49
20:007.492.640.9945.497.492.640.9945.49
21:0073.320.54573.320.545
22:006.943.330.5456.943.330.545
23:002.692.690.3450.30.30.345