P-5

Ancillary Services Prices, Day Ahead Market

05/16/2009

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)
00:003.323.320.25320.250.250.2532
01:002.692.690.25320.250.250.2532
02:002.692.690.2531.350.250.250.2531.35
03:002.692.690.25300.250.250.2530
04:002.692.690.25300.250.250.2530
05:002.692.690.25320.250.250.2532
06:002.592.590.25320.250.250.2532
07:003.343.340.5323.343.340.532
08:003.363.360.5323.363.360.532
09:007.523.380.53272.860.532
10:009.883.380.53270.50.532
11:009.893.390.525.6770.50.525.67
12:009.953.450.531.3370.50.531.33
13:009.953.450.530.9570.50.530.95
14:0011.473.490.53270.50.532
15:0012.293.490.53270.50.532
16:009.893.390.53270.50.532
17:007.563.360.53272.80.532
18:0053.360.53253.360.532
19:0053.360.53253.360.532
20:009.253.340.53271.090.532
21:005.663.360.5325.663.360.532
22:005.53.390.5325.53.390.532
23:003.393.390.25320.250.250.2532