P-5

Ancillary Services Prices, Day Ahead Market

04/16/2008

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)
00:000.410.410.3450.30.30.345
01:000.340.340.3450.30.30.345
02:000.250.250.25450.250.250.2545
03:000.250.250.25450.250.250.2545
04:000.250.250.25450.250.250.2545
05:002.312.310.3450.30.30.345
06:0015.362.690.368.970.30.30.368.97
07:0010.023.523.5283.510.023.523.5283.5
08:009.192.692.691009.192.692.69100
09:009.843.343.3452.849.843.343.3452.84
10:009.813.313.3152.819.813.313.3152.81
11:009.823.323.3252.829.823.323.3252.82
12:009.813.310.55070.50.550
13:009.813.310.55070.50.550
14:009.813.310.55070.50.550
15:009.733.230.55070.50.550
16:009.733.230.55070.50.550
17:009.733.230.55070.50.550
18:009.733.230.55070.50.550
19:009.933.323.3252.829.823.323.3252.82
20:009.973.313.3152.819.813.313.3152.81
21:009.733.233.2352.739.733.233.2352.73
22:0070.50.55070.50.550
23:005.460.40.3450.30.30.345