P-4A

Page Ref: P-4A

Time Weighted/Integrated Real Time LBMP - Zonal

--- LBMP $

--- Marginal Cost of Losses

--- Marginal Cost of Congestion

Zonal Prices

Date: 09/29/2001

Name PTID	00:00 EDT	01:00 EDT	02:00 EDT	03:00 EDT	04:00 EDT	05:00 EDT	06:00 EDT	07:00 EDT	08:00 EDT	09:00 EDT	10:00 EDT	11:00 EDT	12:00 EDT	13:00 EDT	14:00 EDT	15:00 EDT	16:00 EDT	17:00 EDT	18:00 EDT	19:00 EDT	20:00 EDT	21:00 EDT	22:00 EDT	23:00 EDT

CAPITL 61757	26.87	17.53	0.77	15.48	14.69	16.36	12.19	23.21	22.19	25.20	25.34	27.28	25.64	25.17	23.91	22.60	22.73	24.87	27.89	26.99	25.84	25.17	23.38	21.33
	1.73	1.06	0.04	0.79	0.73	0.85	0.71	1.27	1.21	1.50	1.52	1.83	1.56	1.40	1.23	1.07	1.08	1.45	1.92	1.86	1.79	1.72	1.57	1.25
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00

CENTRL 61754	24.55	16.05	0.71	14.47	13.77	15.27	11.33	21.56	20.59	23.16	23.24	24.80	23.49	23.18	22.20	21.21	21.32	22.90	25.28	24.47	23.40	22.83	21.27	19.74
	-0.59	-0.42	-0.01	-0.22	-0.19	-0.25	-0.15	-0.39	-0.39	-0.54	-0.59	-0.65	-0.60	-0.59	-0.47	-0.32	-0.33	-0.52	-0.70	-0.65	-0.65	-0.62	-0.54	-0.34
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00

DUNWOD 61760	25.66	16.73	0.73	14.86	14.16	15.78	11.69	22.58	21.86	24.68	24.85	26.45	25.02	24.75	23.61	22.45	22.58	24.35	26.92	26.18	25.01	24.43	22.66	20.75
	0.52	0.25	0.00	0.17	0.20	0.27	0.21	0.64	0.87	0.98	1.02	1.00	0.94	0.98	0.93	0.92	0.93	0.93	0.95	1.05	0.96	0.98	0.85	0.67
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00

GENESE 61753	25.09	16.49	0.73	14.76	14.04	15.56	11.54	21.80	20.64	23.33	23.51	25.19	23.83	23.50	22.45	21.37	21.54	23.33	25.81	24.95	23.88	23.20	21.57	19.95
	-0.05	0.02	0.01	0.07	0.08	0.04	0.06	-0.14	-0.35	-0.37	-0.32	-0.26	-0.25	-0.27	-0.22	-0.17	-0.11	-0.10	-0.17	-0.18	-0.17	-0.25	-0.24	-0.14
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00

H Q 61844	25.23	16.58	29.44	30.00	14.32	15.53	11.48	21.89	20.82	23.52	23.66	25.25	23.90	23.60	22.54	21.40	28.82	23.50	25.94	25.10	24.07	23.50	21.85	20.10
	0.10	0.11	0.00	0.09	0.02	0.02	0.00	-0.05	-0.16	-0.18	-0.16	-0.20	-0.18	-0.17	-0.13	-0.13	-0.11	-0.05	-0.04	-0.03	0.03	0.04	0.04	0.01
	0.00	0.00	-28.71	-15.22	-0.34	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-7.29	-0.13	0.00	0.00	0.00	0.00	0.00	0.00

HUD VL 61758	25.53	16.67	0.73	14.83	14.12	15.73	11.65	22.44	21.69	24.49	24.64	26.19	24.77	24.53	23.40	22.26	22.39	24.15	26.71	25.97	24.82	24.23	22.47	20.60
	0.39	0.19	0.00	0.13	0.16	0.22	0.17	0.50	0.71	0.79	0.81	0.74	0.68	0.76	0.73	0.73	0.74	0.73	0.74	0.84	0.77	0.77	0.67	0.52
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00

LONGIL 61762	26.11	27.14	24.42	26.46	27.42	27.96	20.89	25.02	26.36	30.27	37.02	28.80	28.64	28.27	27.44	26.29	25.98	28.34	28.96	29.47	29.10	28.13	24.40	21.28
	0.90	0.50	0.01	0.40	0.44	0.55	0.43	1.08	1.30	1.45	1.50	1.43	1.35	1.46	1.33	1.31	1.32	1.35	1.44	1.56	1.39	1.40	1.25	1.02
	-0.08	-10.16	-23.69	-11.37	-13.02	-11.89	-8.98	-2.00	-4.07	-5.12	-11.69	-1.91	-3.20	-3.04	-3.44	-3.46	-3.01	-3.57	-1.54	-2.78	-3.66	-3.28	-1.35	-0.18

MHK VL 61756	25.60	16.75	0.74	14.91	14.18	15.77	11.69	22.36	21.35	24.13	24.28	25.98	24.60	24.27	23.12	21.92	22.05	23.90	26.59	25.66	24.55	23.93	22.26	20.46
	0.46	0.27	0.01	0.22	0.23	0.26	0.21	0.42	0.37	0.43	0.45	0.53	0.52	0.50	0.45	0.39	0.40	0.48	0.62	0.53	0.50	0.48	0.45	0.37
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00

MILLWD 61759	25.36	16.54	0.72	14.71	14.01	15.61	11.56	22.31	21.59	24.37	24.52	26.06	24.64	24.37	23.30	22.17	22.29	24.04	26.58	25.85	24.69	24.12	22.37	20.50
	0.23	0.07	-0.01	0.01	0.05	0.10	0.08	0.37	0.60	0.67	0.70	0.61	0.55	0.60	0.63	0.64	0.64	0.62	0.60	0.72	0.64	0.67	0.57	0.42
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00

N.Y.C. 61761	25.90	16.86	0.73	14.94	14.23	15.87	11.77	22.76	22.06	24.90	25.11	26.72	25.26	24.99	23.85	22.68	22.80	24.60	27.19	26.41	25.22	24.66	22.86	20.92
	0.76	0.39	0.01	0.24	0.27	0.36	0.28	0.82	1.08	1.20	1.28	1.27	1.18	1.22	1.17	1.15	1.15	1.18	1.22	1.28	1.17	1.21	1.06	0.84
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00

NORTH 61755	25.41	16.72	0.73	14.88	14.07	15.66	11.56	22.06	20.93	23.67	23.82	25.46	24.10	23.79	22.69	21.52	21.67	23.56	26.18	25.31	24.28	23.68	22.01	20.23
	0.27	0.24	0.01	0.19	0.12	0.14	0.08	0.12	-0.05	-0.04	-0.01	0.01	0.02	0.02	0.02	-0.01	0.02	0.14	0.20	0.18	0.23	0.23	0.21	0.14
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00

NPX 61845	25.88	16.88	0.74	14.94	14.20	15.82	11.76	22.46	21.57	24.44	24.61	26.39	24.88	24.48	23.30	22.07	29.77	24.21	26.86	26.01	24.88	24.28	22.56	20.64
	0.75	0.40	0.01	0.25	0.24	0.30	0.28	0.52	0.59	0.74	0.78	0.94	0.79	0.71	0.63	0.54	0.54	0.65	0.88	0.88	0.84	0.82	0.76	0.55
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-7.58	-0.14	0.00	0.00	0.00	0.00	0.00	0.00

O H 61846	24.45	16.26	0.72	14.66	13.97	15.44	11.33	21.50	20.41	22.79	22.82	24.14	22.94	22.73	21.79	20.81	26.62	22.52	24.59	23.76	22.80	22.23	20.82	19.54
	-0.69	-0.22	0.00	-0.04	0.01	-0.07	-0.16	-0.44	-0.58	-0.91	-1.01	-1.31	-1.14	-1.04	-0.88	-0.72	-0.80	-1.01	-1.39	-1.37	-1.25	-1.23	-0.99	-0.55
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-5.77	-0.10	0.00	0.00	0.00	0.00	0.00	0.00

PJM 61847	23.95	15.78	0.70	14.19	13.52	15.02	11.23	21.60	20.72	23.26	23.28	24.73	23.44	23.24	22.19	21.13	27.12	23.00	25.22	24.33	23.26	22.67	21.13	19.59
	-1.18	-0.69	-0.02	-0.50	-0.44	-0.50	-0.25	-0.34	-0.27	-0.44	-0.54	-0.73	-0.65	-0.53	-0.48	-0.40	-0.43	-0.53	-0.76	-0.80	-0.79	-0.79	-0.68	-0.50
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-5.89	-0.10	0.00	0.00	0.00	0.00	0.00	0.00

WEST 61752	24.52	16.34	0.73	14.75	14.06	15.53	11.41	21.63	20.57	23.02	23.05	24.35	23.18	22.95	22.02	21.04	21.07	22.63	24.79	23.89	22.93	22.34	20.91	19.65
	-0.62	-0.14	0.00	0.06	0.11	0.02	-0.08	-0.31	-0.42	-0.69	-0.78	-1.10	-0.91	-0.82	-0.65	-0.49	-0.58	-0.79	-1.19	-1.23	-1.12	-1.11	-0.89	-0.43
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00