P-5

Ancillary Services Prices, Day Ahead Market

05/03/2008

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)
00:000.390.390.3450.30.30.345
01:000.30.30.3450.30.30.345
02:000.30.30.3450.30.30.345
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.380.380.351.920.30.30.351.92
06:000.350.350.33000.30.30.3300
07:0034.993.490.530070.50.5300
08:00320.50.530070.50.5300
09:0034.993.490.510070.50.5100
10:0034.663.240.55070.50.550
11:0034.743.240.55070.50.550
12:0034.743.240.55070.50.550
13:0031.913.240.55070.50.550
14:0034.833.330.55070.50.550
15:0034.813.310.55070.50.550
16:0034.743.240.510070.50.5100
17:0034.743.240.510070.50.5100
18:0034.743.240.510070.50.5100
19:0034.813.310.510070.50.5100
20:0034.813.310.510070.50.5100
21:0034.833.330.510070.50.5100
22:0032.490.990.55070.50.550
23:0028.893.890.3450.30.30.345