P-5

Ancillary Services Prices, Day Ahead Market

02/15/2007

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)
00:000.250.250.25500.250.250.2550
01:002.542.540.25500.250.250.2550
02:000.250.250.25500.250.250.2550
03:000.250.250.25500.250.250.2550
04:002.542.540.25500.250.250.2550
05:002.592.590.25550.250.250.2555
06:002.252.251.4661.211.461.461.4661.21
07:0011.094.590.581.1270.50.581.12
08:0070.50.58070.50.580
09:007.523.30.58072.780.580
10:0073.20.58073.20.580
11:0073.20.55573.20.555
12:0073.20.55573.20.555
13:006.333.20.5556.333.20.555
14:004.643.20.5554.643.20.555
15:004.513.20.5554.513.20.555
16:00730.585730.585
17:00770.594.16770.594.16
18:009.89.80.597.8770.597.8
19:00770.585770.585
20:00770.580770.580
21:005.965.960885.965.96088
22:002.262.260.19852.262.260.1985
23:000.190.190.19550.190.190.1955