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: 08/06/2003

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	28.91	20.87	31.92	26.65	21.90	26.64	33.93	35.04	42.12	46.40	47.71	49.03	49.26	49.96	54.93	52.26	53.49	36.70	44.48	45.87	45.43	43.64	49.52	44.23
	1.63	1.37	2.27	1.75	1.52	1.80	2.17	1.92	2.35	2.48	2.26	2.19	1.66	1.68	1.57	1.60	1.33	0.95	1.25	0.97	1.48	1.46	2.05	2.21
	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	-6.65	-1.71	-9.35	-1.00	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	26.48	18.97	28.77	24.09	19.82	24.15	30.91	32.24	38.75	42.85	44.42	45.83	46.62	47.29	46.37	48.09	42.83	34.19	42.71	44.35	43.13	41.45	46.46	41.02
	-0.81	-0.54	-0.87	-0.81	-0.57	-0.69	-0.86	-0.88	-1.03	-1.08	-1.03	-1.01	-0.98	-0.99	-0.94	-1.02	-0.86	-0.60	-0.52	-0.56	-0.82	-0.74	-1.01	-1.00
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.60	-0.16	-0.88	-0.03	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	29.65	20.86	31.55	26.47	21.62	26.44	34.04	36.05	43.52	48.18	50.10	51.77	52.87	53.61	57.02	55.76	54.95	62.77	51.99	55.26	58.14	55.32	51.21	45.47
	2.37	1.35	1.90	1.57	1.23	1.60	2.28	2.93	3.74	4.26	4.65	4.92	5.27	5.33	5.18	5.49	4.93	3.77	3.59	3.88	3.80	3.27	3.74	3.45
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-5.13	-1.32	-7.22	-24.25	-5.17	-6.47	-10.39	-9.86	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	26.62	19.23	29.26	24.56	20.13	24.52	31.43	32.48	39.02	43.10	44.67	45.99	46.53	47.22	46.23	47.93	42.45	33.87	42.60	44.07	42.97	41.38	46.81	41.42
	-0.67	-0.27	-0.38	-0.34	-0.26	-0.32	-0.33	-0.64	-0.76	-0.82	-0.78	-0.85	-1.07	-1.06	-1.11	-1.18	-1.26	-0.88	-0.63	-0.83	-0.98	-0.81	-0.67	-0.60
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.63	-0.16	-0.90	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	26.89	19.34	29.36	24.69	20.19	24.59	31.40	32.64	39.40	39.22	43.09	45.98	46.66	47.37	45.81	48.01	41.86	34.01	42.36	44.01	43.07	41.34	36.04	24.59
	-0.39	-0.17	-0.29	-0.21	-0.20	-0.25	-0.37	-0.48	-0.82	-0.90	-1.10	-0.87	-0.94	-0.91	-0.88	-0.93	-0.90	-0.75	-0.87	-0.90	-0.88	-0.85	-0.55	-0.34
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	3.03	2.83	1.56	0.00	0.00	0.00	0.03	0.01	0.05	0.00	0.00	0.00	0.00	0.00	-0.24	9.02
	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	28.78	20.31	30.77	25.82	21.11	25.79	33.14	35.03	42.25	46.70	48.53	50.08	51.14	51.87	55.30	53.95	53.32	44.62	46.06	47.78	46.72	44.92	50.11	44.21
	1.50	0.80	1.12	0.92	0.72	0.95	1.37	1.91	2.48	2.78	3.08	3.23	3.54	3.59	3.52	3.71	3.37	2.58	2.83	2.87	2.77	2.74	2.63	2.19
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-5.08	-1.30	-7.14	-7.28	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	31.36	22.14	32.14	29.79	49.06	49.85	51.08	51.84	53.97	56.96	55.91	88.54	77.54	68.84	92.83	66.50	60.13	64.35	53.90	55.46	57.94	58.14	55.28	54.74
	2.82	1.72	2.49	2.12	1.74	2.14	2.97	3.46	4.23	4.50	4.59	5.14	5.46	5.56	5.43	5.67	5.09	3.76	3.09	3.63	3.59	3.50	3.93	3.94
	-1.25	-0.92	0.00	-2.78	-26.94	-22.88	-16.35	-15.27	-9.96	-8.53	-5.86	-36.56	-24.48	-15.00	-40.69	-11.89	-12.23	-25.84	-7.58	-6.93	-10.39	-12.45	-3.87	-8.78
	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	27.71	19.86	30.23	25.35	20.77	25.30	32.41	33.69	40.44	44.58	46.12	47.52	48.32	48.99	47.56	49.67	43.68	35.31	44.01	45.53	44.60	42.85	48.17	42.67
	0.42	0.36	0.58	0.45	0.38	0.46	0.65	0.57	0.66	0.66	0.66	0.68	0.72	0.72	0.67	0.69	0.64	0.49	0.78	0.62	0.64	0.66	0.70	0.65
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.18	-0.04	-0.23	-0.06	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	29.21	20.55	31.07	26.06	21.28	26.02	33.47	35.43	42.76	47.33	49.20	50.81	51.91	52.64	56.03	54.75	54.01	46.55	51.47	54.76	57.65	54.85	50.45	44.72
	1.92	1.04	1.42	1.16	0.89	1.17	1.71	2.31	2.98	3.41	3.75	3.97	4.32	4.36	4.24	4.50	4.06	3.09	3.07	3.38	3.30	2.80	2.97	2.70
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-5.08	-1.30	-7.14	-8.71	-5.17	-6.47	-10.39	-9.86	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	42.00	37.05	41.47	27.10	22.08	27.03	35.73	48.35	51.48	52.91	58.88	67.83	61.17	66.54	106.84	86.50	110.40	123.35	139.04	99.37	118.26	98.17	58.42	57.09
	3.10	1.84	2.59	2.14	1.70	2.19	3.08	3.85	4.86	5.50	5.94	6.24	6.58	6.62	6.24	6.60	5.84	4.41	4.03	4.32	4.24	3.76	4.32	4.41
	-11.61	-15.70	-9.23	-0.05	0.00	0.00	-0.89	-11.38	-6.85	-3.49	-7.49	-14.74	-7.00	-11.65	-53.89	-30.95	-61.75	-84.20	-91.79	-50.14	-70.06	-52.22	-6.62	-10.66
	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	27.01	19.44	29.54	24.82	20.30	24.72	31.57	32.76	39.26	43.13	44.48	45.92	46.55	47.24	45.66	47.87	41.73	33.90	42.17	43.81	42.98	41.34	46.88	41.43
	-0.28	-0.06	-0.11	-0.08	-0.09	-0.12	-0.19	-0.36	-0.52	-0.79	-0.98	-0.92	-1.04	-1.04	-1.01	-1.06	-0.99	-0.85	-1.05	-1.10	-0.97	-0.85	-0.60	-0.59
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.04	0.02	0.09	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	28.79	20.59	31.44	26.30	21.58	26.26	33.51	3.00	42.56	42.44	46.66	49.02	49.44	50.17	53.91	51.54	52.32	41.19	43.92	45.53	44.88	42.82	38.12	26.39
	1.50	1.08	1.79	1.40	1.19	1.42	1.75	2.10	2.34	2.32	2.47	2.17	1.84	1.89	1.07	1.02	0.90	0.60	0.70	0.62	0.93	0.64	1.53	1.46
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	39.44	3.03	2.83	1.56	0.00	0.00	0.00	-6.13	-1.57	-8.61	-5.84	0.00	0.00	0.00	0.00	-0.24	9.02
	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	28.99	34.00	27.00	20.69	16.88	20.54	25.00	27.38	34.90	36.00	41.03	39.22	40.27	40.87	40.35	41.75	37.37	29.89	37.51	39.26	37.69	36.03	34.99	21.84
	-4.87	-5.54	-4.83	-4.21	-3.51	-4.30	-5.25	-5.74	-5.32	-4.12	-3.16	-7.62	-7.33	-7.41	-7.18	-7.40	-6.60	-4.98	-5.72	-5.65	-6.26	-6.16	-1.60	-3.09
	5.06	2.77	4.50	0.00	0.00	0.00	7.81	0.00	3.03	2.83	1.56	0.00	0.00	0.00	-0.82	-0.21	-1.16	-0.12	0.00	0.00	0.00	0.00	-0.24	9.02
	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	20.99	11.03	9.99	18.00	19.36	12.09	30.27	31.78	38.66	39.86	44.78	45.34	46.67	47.30	46.94	48.40	43.86	34.59	42.97	44.72	43.40	41.56	36.04	22.99
	-3.31	-3.38	-3.09	-2.33	-1.03	-2.31	-1.50	-1.34	-1.56	-0.26	0.59	-1.51	-0.92	-0.98	-0.90	-0.83	-0.55	-0.32	-0.26	-0.19	-0.55	-0.63	-0.55	-1.94
	14.62	27.90	23.25	8.11	0.00	14.82	0.00	0.00	3.03	2.83	1.56	0.00	0.00	0.00	-1.13	-0.29	-1.59	-0.16	0.00	0.00	0.00	0.00	-0.24	9.02
	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	25.18	17.94	27.24	23.19	18.91	23.03	29.51	30.68	36.55	40.48	42.53	43.97	45.15	45.85	45.20	46.87	41.80	33.47	42.09	44.23	42.33	40.63	45.29	39.71
	-2.10	-1.57	-2.41	-1.71	-1.48	-1.81	-2.25	-2.44	-3.22	-3.44	-2.92	-2.87	-2.45	-2.43	-2.31	-2.28	-2.15	-1.28	-1.14	-0.68	-1.62	-1.55	-2.19	-2.31
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.81	-0.21	-1.15	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