P-5

Ancillary Services Prices, Day Ahead Market

04/12/2008

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)
00:000.30.30.3450.30.30.345
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
06:0028.093.090.3103.260.30.30.3103.26
07:00320.50.591.2170.50.591.21
08:00320.50.59570.50.595
09:0029.453.113.1152.619.613.113.1152.61
10:0031.133.13.152.69.63.13.152.6
11:0034.593.090.55070.50.550
12:0035.043.543.5453.0410.043.543.5453.04
13:0034.583.080.55070.50.550
14:0034.583.080.55070.50.550
15:0034.583.080.55070.50.550
16:0034.573.073.0752.579.573.073.0752.57
17:0034.573.073.0752.579.573.073.0752.57
18:0034.563.060.55070.50.550
19:0034.293.060.55070.50.550
20:0034.593.093.0952.599.593.093.0952.59
21:0034.593.093.0952.599.593.093.0952.59
22:0033.071.571.5751.078.071.571.5751.07
23:0025.30.30.3450.30.30.345