P-5

Ancillary Services Prices, Day Ahead Market

04/10/2008

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)
00:000.250.250.25450.250.250.2545
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
05:000.250.250.25450.250.250.2545
06:0015.733.090.252500.250.250.25250
07:009.092.592.59146.639.092.592.59146.63
08:0020.770.210.21154.9420.770.210.21154.94
09:00103.113.1153103.113.1153
10:009.593.093.0952.599.593.093.0952.59
11:009.583.083.0852.589.583.083.0852.58
12:0030.863.080.55070.50.550
13:0034.593.090.55070.50.550
14:0034.583.080.55070.50.550
15:0027.123.070.55070.50.550
16:0034.583.080.55070.50.550
17:0026.263.070.55070.50.550
18:0025.463.070.55070.50.550
19:0033.953.093.0952.599.593.093.0952.59
20:0010.023.523.5253.0210.023.523.5253.02
21:0025.843.093.0952.599.593.093.0952.59
22:00320.50.55070.50.550
23:00100.30.3450.30.30.345