P-5

Ancillary Services Prices, Day Ahead Market

01/11/2009

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)
00:003.093.090.3450.30.30.345
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:000.250.250.25450.250.250.2545
06:003.493.490.3450.30.30.345
07:0073.890.54573.890.545
08:0073.490.54573.490.545
09:0073.490.54573.490.545
10:0072.690.54572.690.545
11:0073.490.54573.490.545
12:0073.490.54573.490.545
13:0073.490.54573.490.545
14:0073.490.54573.490.545
15:0073.490.54573.490.545
16:0072.690.54572.690.545
17:0070.50.561.2670.50.561.26
18:007.090.590.545.4370.50.545.43
19:0070.50.54570.50.545
20:0070.50.571.4970.50.571.49
21:0073.490.54573.490.545
22:003.893.890.5453.893.890.545
23:002.692.690.3450.30.30.345