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: 08/28/2003

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	45.06	37.73	26.83	48.24	41.46	23.98	30.65	37.85	48.45	47.01	47.93	47.21	47.45	47.44	48.86	45.49	46.99	52.29	50.81	43.34	45.18	47.42	50.36	43.66
	3.20	2.90	2.01	3.91	3.34	1.78	2.22	2.24	3.22	3.02	2.53	2.51	2.28	2.22	2.16	1.87	1.76	1.91	1.64	1.52	1.72	1.72	2.40	2.48
	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	40.50	33.62	24.01	42.88	36.89	21.59	27.63	34.59	43.92	42.71	44.19	43.53	43.96	44.09	45.51	42.49	44.07	49.11	48.00	40.79	42.45	44.66	46.72	40.02
	-1.35	-1.21	-0.81	-1.44	-1.23	-0.60	-0.79	-1.03	-1.31	-1.29	-1.21	-1.16	-1.21	-1.13	-1.18	-1.13	-1.15	-1.28	-1.17	-1.03	-1.01	-1.04	-1.24	-1.17
	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	45.19	37.41	26.48	46.90	40.17	23.53	30.32	38.77	49.33	48.17	49.93	49.21	49.88	50.06	51.79	48.51	50.34	56.02	54.39	46.13	47.75	50.17	52.34	44.59
	3.34	2.58	1.66	2.58	2.05	1.34	1.90	3.16	4.10	4.18	4.54	4.52	4.71	4.84	5.09	4.88	5.11	5.63	5.22	4.32	4.29	4.47	4.38	3.41
	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	41.20	34.28	24.63	44.25	38.27	22.22	28.44	34.94	44.29	42.86	44.19	43.54	43.95	44.09	45.44	42.32	43.82	48.80	47.64	40.45	42.29	44.49	46.81	40.49
	-0.66	-0.55	-0.19	-0.07	0.15	0.02	0.02	-0.67	-0.94	-1.13	-1.21	-1.15	-1.21	-1.13	-1.25	-1.30	-1.41	-1.58	-1.53	-1.37	-1.17	-1.21	-1.15	-0.69
	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	41.20	34.41	24.56	43.91	37.81	22.01	28.20	35.02	42.54	45.24	44.72	43.97	44.44	44.39	45.83	42.80	44.38	49.39	48.25	41.03	42.65	50.75	47.11	39.92
	-0.65	-0.42	-0.26	-0.41	-0.31	-0.18	-0.22	-0.59	-0.81	-0.75	-0.67	-0.72	-0.72	-0.83	-0.86	-0.82	-0.84	-1.00	-0.91	-0.78	-0.81	-0.94	-0.85	-0.16
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	4.35	4.21	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-7.04	0.00	-1.03
	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	44.25	36.66	25.96	46.05	39.46	23.09	29.68	37.84	48.14	46.98	48.69	47.94	48.58	48.75	50.39	47.19	48.95	54.50	52.99	44.93	46.58	48.92	51.16	43.61
	2.39	1.83	1.14	1.72	1.34	0.90	1.26	2.23	2.91	2.99	3.29	3.25	3.42	3.53	3.70	3.56	3.73	4.11	3.82	3.11	3.12	3.22	3.20	2.42
	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	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	68.43	57.27	64.48	51.26	48.59	56.81	56.53	54.69	55.84	60.39	58.46	63.32	65.89	66.04	67.46	64.54	59.56	61.80	58.07	59.04	69.00	60.59	57.02	58.03
	4.39	3.53	2.33	3.71	3.00	1.92	2.54	4.02	5.09	4.89	4.98	5.07	5.25	5.30	5.68	5.39	5.66	6.08	5.71	4.88	4.76	5.00	5.15	4.15
	-22.19	-18.91	-37.33	-3.23	-7.48	-32.69	-25.57	-15.05	-5.52	-11.51	-8.08	-13.57	-15.47	-15.52	-15.09	-15.52	-8.68	-5.34	-3.19	-12.34	-20.78	-9.89	-3.91	-12.70
	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	42.72	35.63	25.39	45.45	39.04	22.70	29.05	36.15	46.06	44.84	46.19	45.47	45.90	45.99	47.47	44.34	45.91	51.14	49.87	42.42	44.09	46.33	48.71	41.95
	0.87	0.80	0.56	1.12	0.92	0.51	0.62	0.54	0.83	0.85	0.79	0.78	0.74	0.78	0.78	0.71	0.68	0.75	0.71	0.61	0.63	0.62	0.75	0.77
	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

MILLWD 61759	44.44	36.82	26.05	46.16	39.54	23.15	29.83	38.11	48.48	47.34	49.08	48.34	49.00	49.18	50.87	47.64	49.45	55.03	53.48	45.37	46.95	49.35	51.49	43.86
	2.59	1.98	1.23	1.84	1.42	0.96	1.40	2.50	3.25	3.35	3.68	3.65	3.84	3.97	4.18	4.02	4.23	4.64	4.31	3.56	3.49	3.64	3.53	2.68
	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	68.10	55.16	51.01	58.62	51.32	40.95	39.51	56.72	53.52	73.80	76.26	80.96	95.44	87.49	75.92	93.84	91.40	77.49	76.15	71.71	78.49	68.23	71.17	53.24
	4.31	3.42	2.22	3.54	2.85	1.84	2.58	4.08	5.21	5.27	5.68	5.68	5.92	6.04	6.35	6.05	6.32	6.90	6.42	5.32	5.36	5.63	5.59	4.42
	-21.94	-16.91	-23.97	-10.75	-10.35	-16.91	-8.50	-17.03	-3.09	-24.53	-25.18	-30.60	-44.35	-36.23	-22.87	-44.17	-39.85	-20.19	-20.56	-24.57	-29.66	-16.89	-17.62	-7.64
	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	41.44	34.64	24.72	44.26	38.11	22.16	28.39	35.09	44.66	43.50	44.66	43.90	44.33	44.29	45.71	42.68	44.23	49.21	48.09	40.90	42.50	44.76	47.19	40.62
	-0.41	-0.20	-0.10	-0.06	-0.01	-0.03	-0.03	-0.52	-0.57	-0.50	-0.74	-0.79	-0.83	-0.93	-0.99	-0.95	-1.00	-1.18	-1.08	-0.92	-0.96	-0.95	-0.77	-0.56
	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	43.72	36.49	25.93	46.41	39.88	23.13	29.56	36.92	46.21	48.65	46.91	46.21	46.57	46.60	48.05	52.89	53.00	54.74	50.20	42.78	44.51	51.00	48.00	41.99
	1.87	1.66	1.11	2.09	1.76	0.94	1.14	1.31	2.86	2.66	1.51	1.52	1.40	1.38	1.36	3.30	2.98	2.88	1.03	0.96	1.05	2.50	2.47	1.91
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	4.35	4.21	0.00	0.00	0.00	0.00	0.00	1.24	2.22	1.43	0.00	0.00	0.00	-3.85	1.11	-1.03
	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	34.46	28.40	20.41	35.01	35.00	35.00	32.00	29.62	37.01	39.62	37.20	36.67	37.22	37.35	38.58	36.05	37.51	42.05	41.32	35.01	36.36	48.48	40.00	35.24
	-7.39	-6.44	-4.41	-6.19	-6.28	-5.26	-6.33	-5.99	-6.34	-6.37	-8.20	-8.02	-7.94	-7.87	-8.12	-7.57	-7.72	-8.34	-7.85	-6.80	-7.10	-3.21	-7.96	-4.84
	0.00	0.00	0.00	8.36	8.57	9.84	10.36	0.00	4.35	4.21	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-7.04	0.00	-1.03
	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	38.82	32.10	22.94	40.76	39.98	30.00	26.34	33.36	39.53	44.23	42.68	42.01	42.61	42.67	44.18	41.41	43.04	48.09	47.11	39.95	41.41	50.17	45.27	35.28
	-3.03	-2.73	-1.88	-3.56	-5.68	-4.26	-2.08	-2.25	-3.82	-1.76	-2.72	-2.68	-2.56	-2.55	-2.51	-2.22	-2.19	-2.30	-2.06	-1.87	-2.05	-1.52	-2.69	-4.80
	0.00	0.00	0.00	0.00	4.19	15.84	0.00	0.00	4.35	4.21	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-7.04	0.00	-1.03
	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	38.54	31.71	22.77	40.51	35.15	20.55	26.32	33.13	41.64	40.03	41.70	41.14	41.75	41.90	43.33	40.51	42.13	47.18	46.39	39.30	40.88	43.12	44.79	38.39
	-3.31	-3.13	-2.05	-3.81	-2.97	-1.64	-2.10	-2.48	-3.59	-3.96	-3.70	-3.55	-3.41	-3.32	-3.37	-3.12	-3.09	-3.21	-2.78	-2.52	-2.57	-2.59	-3.17	-2.80
	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