P-5

Ancillary Services Prices, Day Ahead Market

06/12/2008

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)
00:000.250.250.140.410.250.250.140.41
01:000.20.20.1450.20.20.145
02:000.20.20.1450.20.20.145
03:000.20.20.1450.20.20.145
04:000.20.20.1450.20.20.145
05:000.20.20.149.990.20.20.149.99
06:002.592.590.1500.250.250.150
07:004.394.390.1604.394.390.160
08:004.394.390.5754.394.390.575
09:004.64.60.5754.64.60.575
10:005.574.990.5805.574.990.580
11:0074.990.59074.990.590
12:0074.990.54274.990.542
13:0010.994.990.545.99710.545.99
14:0016.5100.551.570.50.551.5
15:0016.5100.556.9970.50.556.99
16:0020.9100.7590.257.250.750.7590.25
17:0016.5100.59070.50.590
18:0011.384.880.58070.50.580
19:008.954.290.58072.340.580
20:0011.274.770.58070.50.580
21:007.914.990.57574.080.575
22:0011.494.990.55070.50.550
23:004.84.80.25450.250.250.2545