P-5

Ancillary Services Prices, Day Ahead Market

05/28/2007

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)
00:000.20.20.2450.20.20.245
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.20.20.2450.20.20.245
06:002.642.640.253.710.250.250.253.71
07:003.993.990.5453.993.990.545
08:002.282.280.5452.282.280.545
09:003.093.090.5453.093.090.545
10:0073.090.54573.090.545
11:0073.090.54573.090.545
12:0073.090.54573.090.545
13:0073.090.54573.090.545
14:0073.090.54573.090.545
15:009.373.090.54570.720.545
16:009.993.490.54570.50.545
17:009.993.490.54570.50.545
18:007.4530.54572.550.545
19:00730.545730.545
20:009.530.54570.50.545
21:007.723.090.54572.370.545
22:0073.890.54573.890.545
23:001.251.250.25450.250.250.2545