P-5

Ancillary Services Prices, Day Ahead Market

04/26/2008

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)
00:0029.294.290.25450.250.250.2545
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
05:000.350.350.2562.460.250.250.2562.46
06:000.340.340.252500.250.250.25250
07:007.340.840.525070.50.5250
08:007.340.840.525070.50.5250
09:009.813.310.55070.50.550
10:009.813.310.55070.50.550
11:009.813.310.55070.50.550
12:009.863.310.55070.50.550
13:0030.023.310.55070.50.550
14:0031.433.310.55070.50.550
15:0028.263.310.55070.50.550
16:0027.633.310.59570.50.595
17:0029.23.310.597.0270.50.597.02
18:0030.123.310.510070.50.5100
19:0030.493.310.595.9170.50.595.91
20:0011.593.310.59570.50.595
21:0034.993.490.510070.50.5100
22:0034.993.490.55070.50.550
23:0028.893.890.3450.30.30.345