P-5

Ancillary Services Prices, Day Ahead Market

06/17/2008

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)
00:000.20.20.1450.20.20.145
01:000.20.20.1450.20.20.145
02:000.20.20.148.170.20.20.148.17
03:000.20.20.152.980.20.20.152.98
04:000.20.20.153.030.20.20.153.03
05:000.20.20.146.80.20.20.146.8
06:003.493.490.171.830.250.250.171.83
07:004.84.80.5604.84.80.560
08:00770.560770.560
09:00770.570770.570
10:00770.570770.570
11:009.529.520.590770.590
12:0011.2100.510075.80.5100
13:0015.01100.510071.990.5100
14:0016.5100.510070.50.5100
15:0016.5100.510070.50.5100
16:0029.39100.510070.50.5100
17:0037.86100.510070.50.5100
18:00770.5100770.5100
19:00770.590770.590
20:00770.570770.570
21:0016.5100.57070.50.570
22:0016.5100.55070.50.550
23:0010100.3450.30.30.345