P-5

Ancillary Services Prices, Day Ahead Market

04/14/2008

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)
00:000.320.320.25450.250.250.2545
01:000.250.250.25450.250.250.2545
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:002.642.640.25450.250.250.2545
06:00103.090.18670.250.180.1867
07:008.972.112.1183.58.612.112.1183.5
08:0070.320.3296.4770.320.3296.47
09:009.353.232.8552.359.353.232.8552.35
10:008.173.211.6751.178.173.211.6751.17
11:009.733.233.2352.739.733.233.2352.73
12:0014.583.240.55070.50.550
13:0033.743.240.55070.50.550
14:0034.813.310.55070.50.550
15:0034.743.240.55070.50.550
16:0034.813.313.3152.819.813.313.3152.81
17:0034.733.230.55070.50.550
18:0034.733.230.55070.50.550
19:009.823.323.3252.829.823.323.3252.82
20:009.833.333.3352.839.833.333.3352.83
21:009.723.220.55070.50.550
22:00320.340.345070.340.3450
23:00100.330.25450.250.250.2545