P-5

Ancillary Services Prices, Day Ahead Market

12/10/2007

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
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.2546.660.250.250.2546.66
04:000.250.250.25450.250.250.2545
05:000.250.250.2545.180.250.250.2545.18
06:0033377.733377.7
07:0073.490.530073.490.5300
08:0072.640.530072.640.5300
09:0073.050.525073.050.5250
10:009.993.490.525070.50.5250
11:009.993.490.510070.50.5100
12:0073.040.510073.040.5100
13:0073.040.510073.040.5100
14:0073.040.510073.040.5100
15:0073.040.510073.040.5100
16:009.543.04392.59.53392.5
17:00103.53.593103.53.593
18:00103.53.593103.53.593
19:009.543.042.9592.459.452.952.9592.45
20:009.53.03392.59.53.03392.5
21:009.993.492.8382.339.332.832.8382.33
22:005.892.640.5705.892.640.570
23:000.30.30.3700.30.30.370