P-5

Ancillary Services Prices, Day Ahead Market

05/13/2007

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
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.20.20.2450.20.20.245
06:000.250.250.25500.250.250.2550
07:002.592.590.5502.592.590.550
08:002.492.490.5502.492.490.550
09:005.993.490.5505.993.490.550
10:0073.060.55073.060.550
11:0073.060.55073.060.550
12:0073.060.55073.060.550
13:0073.060.55073.060.550
14:0073.060.55073.060.550
15:006.423.060.5506.423.060.550
16:0073.060.55073.060.550
17:0073.060.55073.060.550
18:0073.060.55073.060.550
19:0073.060.55073.060.550
20:009.363.060.55070.70.550
21:0073.060.55073.060.550
22:0072.690.55072.690.550
23:000.250.250.25450.250.250.2545