P-5

Ancillary Services Prices, Day Ahead Market

06/30/2008

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)
00:003.343.340.16450.250.250.1645
01:002.492.490.16450.250.250.1645
02:000.20.20.16450.20.20.1645
03:000.20.20.16450.20.20.1645
04:000.20.20.16450.20.20.1645
05:002.592.590.1646.310.250.250.1646.31
06:003.13.10.16500.250.250.1650
07:003.373.370.16603.373.370.1660
08:003.373.370.5803.373.370.580
09:0073.380.58073.380.580
10:0073.360.58073.360.580
11:0073.460.58073.460.580
12:006.953.450.551.956.953.450.551.95
13:0073.450.55273.450.552
14:009.893.390.6454.897.140.640.6454.89
15:009.893.390.575.7270.50.575.72
16:0030.713.46281.58.52281.5
17:0029.813.460.58070.50.580
18:009.953.450.58070.50.580
19:0073.390.58073.390.580
20:0073.390.58073.390.580
21:0073.370.58073.370.580
22:0073.390.165073.390.1650
23:003.363.360.16450.250.250.1645