P-4A

Page Ref: P-4A

Time Weighted/Integrated Real Time LBMP - Zonal

--- LBMP $

--- Marginal Cost of Losses

--- Marginal Cost of Congestion

--- Scarcity Pricing In Effect (Y/N)

Zonal Prices

Date: 09/01/2003

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	28.60	23.37	18.76	16.28	8.94	11.52	18.55	31.82	26.48	24.77	32.54	39.47	43.37	42.11	34.34	36.47	47.42	50.52	48.57	49.68	49.78	44.48	36.97	30.88
	2.22	1.72	1.32	1.16	0.62	0.84	1.11	2.00	1.74	1.67	2.40	3.22	3.24	3.18	2.68	2.58	3.35	3.67	3.27	3.51	3.54	3.15	2.14	2.04
	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	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

CENTRL 61754	25.68	21.08	17.03	14.77	8.13	10.44	17.09	29.15	24.11	22.52	29.31	35.22	38.96	37.77	30.70	32.89	42.78	45.42	43.99	44.85	44.95	40.10	33.87	28.03
	-0.70	-0.57	-0.41	-0.35	-0.19	-0.24	-0.36	-0.67	-0.63	-0.58	-0.82	-1.03	-1.16	-1.16	-0.95	-1.00	-1.30	-1.42	-1.31	-1.33	-1.29	-1.23	-0.96	-0.81
	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	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

DUNWOD 61760	27.73	22.61	18.14	15.74	8.66	11.14	18.37	31.38	26.15	24.64	32.15	38.73	43.16	41.80	33.88	36.43	47.37	50.24	48.70	49.63	49.50	44.26	37.18	30.47
	1.35	0.96	0.70	0.62	0.33	0.46	0.93	1.56	1.41	1.54	2.02	2.47	3.03	2.87	2.23	2.55	3.29	3.40	3.39	3.45	3.27	2.94	2.35	1.62
	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	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

GENESE 61753	26.43	21.69	17.58	15.17	8.38	10.76	17.48	29.91	24.72	22.98	29.99	35.91	39.52	38.32	31.21	33.18	43.18	45.90	44.30	45.31	45.59	40.60	34.39	28.64
	0.04	0.05	0.14	0.05	0.05	0.08	0.04	0.09	-0.01	-0.12	-0.14	-0.34	-0.61	-0.61	-0.45	-0.71	-0.90	-0.94	-1.00	-0.87	-0.65	-0.72	-0.44	-0.21
	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	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

H Q 61844	26.27	21.59	17.39	15.05	8.31	10.62	17.33	21.74	22.49	25.03	29.75	35.78	39.58	38.40	31.23	33.43	43.48	46.26	44.75	45.61	45.76	40.89	34.48	28.75
	-0.11	-0.06	-0.05	-0.07	-0.02	-0.06	-0.11	0.02	0.04	-0.04	-0.38	-0.48	-0.55	-0.53	-0.42	-0.46	-0.60	-0.58	-0.55	-0.57	-0.47	-0.44	-0.35	-0.10
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.44	-1.01	-2.77	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	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

HUD VL 61758	27.33	22.32	17.92	15.56	8.57	11.01	18.12	30.94	25.78	24.21	31.59	38.06	42.35	41.05	33.27	35.75	46.49	49.34	47.79	48.72	48.63	43.44	36.52	29.97
	0.95	0.67	0.48	0.44	0.25	0.33	0.67	1.12	1.04	1.11	1.46	1.81	2.22	2.12	1.62	1.86	2.42	2.50	2.49	2.54	2.39	2.12	1.69	1.12
	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	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

LONGIL 61762	29.25	23.04	18.51	16.06	8.86	11.38	19.95	33.99	43.02	49.52	51.42	39.39	43.75	42.36	34.30	36.75	49.41	51.65	51.64	52.26	53.37	54.09	45.31	43.03
	1.91	1.40	1.07	0.94	0.53	0.70	1.33	2.16	2.04	2.07	2.55	3.01	3.62	3.43	2.65	2.86	3.85	4.17	4.20	4.33	4.04	3.65	2.67	1.94
	-0.96	0.00	0.00	0.00	0.00	0.00	-1.18	-2.01	-16.24	-24.35	-18.73	-0.12	0.00	0.00	0.00	0.00	-1.48	-0.64	-2.14	-1.76	-3.09	-9.11	-7.81	-12.24
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

MHK VL 61756	27.04	22.16	17.85	15.47	8.51	10.93	17.81	30.50	25.34	23.63	30.84	37.18	41.08	39.87	32.49	34.71	45.11	47.96	46.35	47.21	47.25	42.24	35.52	29.45
	0.66	0.52	0.41	0.35	0.18	0.25	0.37	0.68	0.60	0.53	0.71	0.92	0.95	0.94	0.84	0.83	1.03	1.12	1.05	1.03	1.02	0.92	0.69	0.61
	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	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

MILLWD 61759	27.31	22.28	17.88	15.51	8.53	10.98	18.10	30.91	25.78	24.25	31.64	38.11	42.43	41.12	33.34	35.84	46.61	49.45	47.93	48.83	48.73	43.57	36.52	30.03
	0.93	0.63	0.44	0.39	0.20	0.30	0.66	1.09	1.04	1.15	1.51	1.86	2.31	2.19	1.69	1.95	2.53	2.61	2.62	2.65	2.49	2.24	1.69	1.18
	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	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

N.Y.C. 61761	57.36	36.11	26.02	24.68	19.58	23.82	27.14	35.63	35.49	43.51	48.90	51.19	49.62	47.69	47.16	51.05	53.63	55.57	55.00	78.61	59.11	56.87	54.75	42.20
	1.87	1.34	1.00	0.88	0.48	0.65	1.27	2.14	1.93	2.03	2.67	3.24	3.87	3.67	2.93	3.30	4.25	4.36	4.33	4.41	4.20	3.81	3.03	2.22
	-29.10	-13.12	-7.58	-8.68	-10.78	-12.49	-8.43	-3.68	-8.83	-18.38	-16.10	-11.69	-5.62	-5.09	-12.58	-13.87	-5.30	-4.37	-5.36	-28.02	-8.67	-11.74	-16.89	-11.13
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

NORTH 61755	26.48	21.75	17.52	15.16	8.36	10.70	17.44	29.81	24.59	22.92	29.93	36.02	39.80	38.62	31.44	33.62	43.73	46.54	44.99	45.86	46.02	41.10	34.63	28.93
	0.10	0.10	0.08	0.04	0.04	0.02	0.00	-0.01	-0.15	-0.18	-0.20	-0.23	-0.33	-0.31	-0.21	-0.27	-0.34	-0.30	-0.31	-0.32	-0.22	-0.22	-0.20	0.08
	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	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

NPX 61845	27.56	22.52	18.09	15.71	8.65	11.13	18.02	22.45	23.29	26.01	31.50	38.17	42.11	40.91	33.28	35.48	46.13	49.07	47.25	48.28	48.25	43.12	35.98	29.91
	1.18	0.88	0.65	0.59	0.32	0.45	0.58	0.73	0.84	0.94	1.37	1.91	1.99	1.98	1.63	1.59	2.06	2.23	1.94	2.10	2.01	1.79	1.15	1.06
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.44	-1.01	-2.77	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	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

O H 61846	21.72	17.97	14.69	12.65	6.98	8.91	14.78	19.91	20.09	22.80	24.80	29.35	32.69	31.66	25.65	27.60	35.93	38.06	36.94	37.72	37.88	33.77	29.28	24.05
	-4.66	-3.67	-2.75	-2.47	-1.34	-1.77	-2.67	-1.81	-2.36	-2.27	-5.33	-6.91	-7.44	-7.27	-6.01	-6.28	-8.15	-8.78	-8.36	-8.46	-8.36	-7.56	-5.55	-4.79
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.44	-1.01	-2.77	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	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

PJM 61847	24.32	20.02	16.20	14.03	7.74	9.90	16.36	20.00	20.18	20.86	25.23	33.39	37.21	36.03	29.22	31.46	40.87	43.40	42.14	42.82	42.88	38.27	32.59	26.85
	-2.07	-1.62	-1.24	-1.09	-0.59	-0.78	-1.09	-1.72	-2.27	-2.21	-3.33	-2.87	-2.92	-2.90	-2.44	-2.42	-3.21	-3.45	-3.16	-3.36	-3.36	-3.06	-2.24	-1.99
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.44	-1.01	-0.77	2.00	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	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

WEST 61752	24.34	20.16	16.49	14.19	7.85	9.99	16.57	28.23	23.26	21.58	27.78	32.84	36.51	35.33	28.64	30.82	40.15	42.49	41.27	42.14	42.37	37.78	32.90	27.08
	-2.05	-1.48	-0.95	-0.93	-0.48	-0.69	-0.87	-1.59	-1.48	-1.52	-2.35	-3.41	-3.62	-3.60	-3.01	-3.07	-3.93	-4.35	-4.03	-4.04	-3.87	-3.54	-1.93	-1.77
	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	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N