P-5

Ancillary Service Prices, Day Ahead Market

01/15/2003

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)
00:001.751.281.2839.151.751.281.2839.15
01:001.251.251.25341.251.251.2534
02:001.251.251.25121.251.251.2512
03:001.251.251.25121.251.251.2512
04:001.251.251.25121.251.251.2512
05:001.991.41.4221.991.41.422
06:0031.41.42231.41.422
07:004.251.261.26184.251.261.2618
08:004.251.21.2184.251.21.218
09:004.251.21.2224.251.21.222
10:004.251.21.27.54.251.21.27.5
11:0014.591.21.27.514.591.21.27.5
12:004.250.680.687.54.250.680.687.5
13:004.250.680.687.54.250.680.687.5
14:004.250.680.687.54.250.680.687.5
15:004.250.680.687.54.250.680.687.5
16:004.250.680.68224.250.680.6822
17:0014.590.680.681814.590.680.6818
18:00160.680.6822160.680.6822
19:0014.591.21.22214.591.21.222
20:0014.591.21.22214.591.21.222
21:003.251.21.2233.251.21.223
22:003.251.21.2183.251.21.218
23:001.951.261.26251.951.261.2625