P-5

Ancillary Services Prices, Day Ahead Market

07/18/2010

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)
00:000.240.240.01300.240.240.0130
01:000.150.150.01300.150.150.0130
02:000.150.150.01300.150.150.0130
03:000.150.150.01300.150.150.0130
04:000.150.150.01300.150.150.0130
05:000.150.150.01300.150.150.0130
06:000.150.150.01300.150.150.0130
07:000.160.160.01450.160.160.0145
08:000.240.240.01450.240.240.0145
09:000.240.240.01450.240.240.0145
10:000.240.240.01320.240.240.0132
11:003.960.250.01323.960.250.0132
12:005.660.790.02455.660.790.0245
13:00770.0250.13770.0250.13
14:00990.0260770.0260
15:009.999.990.0252.94770.0252.94
16:009.999.990.0249.73770.0249.73
17:00990.0249.69770.0249.69
18:0070.790.024570.790.0245
19:004.940.790.0134.34.940.790.0134.3
20:0070.790.0236.4970.790.0236.49
21:004.180.790.02324.180.790.0232
22:000.260.260.02450.260.260.0245
23:000.250.250.02300.250.250.0230