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: 08/01/2004

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	46.14	50.98	46.33	41.39	43.57	47.16	39.73	31.63	38.68	50.15	54.80	56.25	58.30	58.65	49.05	55.27	68.28	68.85	52.83	49.45	52.02	52.45	52.55	50.33
	2.08	2.60	2.60	2.41	2.66	2.95	2.23	1.67	2.23	3.12	3.29	3.16	3.10	3.20	2.61	2.98	3.44	3.60	3.07	3.04	3.13	3.32	3.67	3.24
	0.00	-4.45	-2.78	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.73	-0.08	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.99
	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	43.14	42.93	39.78	37.59	39.42	42.63	36.24	29.05	35.30	45.59	50.05	51.67	53.14	54.03	45.37	51.07	63.32	63.78	48.67	45.33	47.66	48.02	47.55	43.89
	-0.93	-1.43	-1.44	-1.40	-1.49	-1.58	-1.25	-0.92	-1.14	-1.44	-1.46	-1.42	-1.40	-1.34	-1.07	-1.22	-1.52	-1.47	-1.10	-1.08	-1.22	-1.11	-1.33	-1.39
	0.00	-0.43	-0.27	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.07	-0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.19
	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	47.05	50.20	45.63	41.27	43.24	46.57	39.68	31.81	38.73	50.06	54.84	56.63	58.88	59.70	50.02	56.32	70.04	70.24	53.30	49.63	52.58	52.61	52.22	49.80
	2.98	2.82	2.52	2.28	2.33	2.36	2.19	1.84	2.28	3.03	3.32	3.54	3.83	4.27	3.58	4.02	5.20	5.00	3.54	3.22	3.69	3.47	3.34	3.17
	0.00	-3.45	-2.15	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.57	-0.06	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.54
	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	43.19	43.36	40.28	38.15	40.06	43.43	36.70	29.32	35.57	45.71	50.10	51.69	53.06	53.59	45.11	50.75	62.75	63.33	48.64	45.38	47.45	48.20	47.84	43.96
	-0.88	-1.01	-0.95	-0.84	-0.85	-0.78	-0.80	-0.64	-0.88	-1.32	-1.41	-1.40	-1.49	-1.79	-1.33	-1.54	-2.09	-1.91	-1.13	-1.03	-1.44	-0.93	-1.04	-1.33
	0.00	-0.44	-0.27	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.07	-0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.19
	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	43.39	43.23	40.36	38.50	40.40	43.67	36.94	29.58	36.02	46.32	50.81	52.35	53.60	54.32	45.54	51.24	63.60	64.02	48.87	45.56	47.84	57.80	56.85	44.34
	-0.68	-0.68	-0.59	-0.48	-0.51	-0.54	-0.56	-0.39	-0.43	-0.71	-0.70	-0.74	-0.86	-1.05	-0.90	-1.06	-1.24	-1.22	-0.89	-0.85	-1.05	-1.12	-0.95	-0.74
	0.00	0.02	0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	3.22	-5.26	0.01
	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	45.96	49.10	44.68	40.44	42.43	45.74	38.93	31.17	37.91	48.96	53.54	55.18	57.36	58.18	48.81	55.00	68.33	68.64	52.11	48.55	51.40	51.38	50.90	48.55
	1.89	1.74	1.58	1.45	1.52	1.53	1.43	1.20	1.47	1.93	2.03	2.09	2.33	2.75	2.37	2.71	3.49	3.39	2.35	2.15	2.52	2.25	2.02	1.93
	0.00	-3.43	-2.14	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.57	-0.06	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.52
	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	67.51	97.87	102.49	62.01	56.66	60.92	59.97	60.66	59.61	58.16	61.26	64.25	64.45	60.98	59.83	61.90	70.43	70.32	65.34	58.85	65.35	73.61	60.34	55.28
	3.74	3.80	3.41	3.10	3.18	3.21	2.88	2.37	2.78	3.53	3.60	3.78	3.84	4.22	3.58	4.20	5.47	5.02	3.79	3.51	4.03	3.73	3.76	3.84
	-19.70	-50.14	-58.12	-19.92	-12.57	-13.50	-19.59	-28.33	-20.39	-7.60	-6.15	-7.38	-6.14	-1.40	-9.80	-5.40	-0.12	-0.06	-11.78	-8.94	-12.43	-20.74	-7.70	-6.34
	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	44.80	44.78	41.69	39.57	41.60	44.97	38.12	30.47	37.09	47.95	52.51	53.92	55.30	56.13	46.95	52.80	65.47	65.89	50.34	47.03	49.45	49.85	49.71	45.96
	0.73	0.72	0.65	0.58	0.69	0.76	0.62	0.50	0.64	0.92	1.00	0.83	0.81	0.75	0.50	0.51	0.62	0.65	0.58	0.62	0.56	0.72	0.83	0.82
	0.00	-0.13	-0.08	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.02	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.05
	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	46.30	49.42	44.93	40.63	42.56	45.85	39.07	31.31	38.12	49.26	53.96	55.71	57.92	58.74	49.20	55.43	68.93	69.14	52.46	48.84	51.73	51.76	51.37	49.02
	2.23	2.07	1.84	1.64	1.65	1.64	1.57	1.34	1.67	2.23	2.44	2.62	2.88	3.31	2.76	3.13	4.09	3.90	2.69	2.43	2.84	2.62	2.49	2.40
	0.00	-3.41	-2.13	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.57	-0.06	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.52
	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	84.24	73.38	70.13	54.39	55.32	56.81	53.36	61.54	65.56	79.13	87.66	89.82	90.92	90.07	86.60	96.39	99.08	98.23	88.77	84.11	87.75	92.29	82.43	77.57
	3.70	3.60	3.29	3.00	3.06	3.13	2.88	2.42	3.00	3.92	4.25	4.50	4.86	5.32	4.39	4.89	6.30	6.04	4.32	3.99	4.49	4.28	4.16	3.91
	-36.47	-25.85	-25.87	-12.41	-11.35	-9.46	-12.98	-29.15	-26.11	-28.18	-31.89	-32.22	-31.59	-29.38	-35.77	-39.20	-27.94	-26.96	-34.68	-33.72	-34.38	-38.88	-29.39	-28.57
	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	43.58	43.49	40.59	38.72	40.66	43.96	37.15	29.77	36.24	46.60	51.10	52.59	53.81	54.50	45.66	51.35	63.72	64.16	49.02	45.71	47.97	48.38	48.34	44.57
	-0.48	-0.42	-0.35	-0.26	-0.25	-0.25	-0.35	-0.20	-0.21	-0.43	-0.41	-0.50	-0.66	-0.87	-0.79	-0.94	-1.12	-1.08	-0.75	-0.70	-0.91	-0.75	-0.54	-0.50
	0.00	0.03	0.02	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.02
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

NPX 61845	44.99	49.44	44.99	40.32	42.39	45.82	38.73	30.88	37.62	48.66	53.10	54.57	56.59	57.03	47.71	53.79	66.47	66.94	51.22	47.87	50.55	62.03	60.74	48.74
	0.92	1.39	1.45	1.33	1.48	1.61	1.23	0.92	1.18	1.63	1.58	1.48	1.44	1.59	1.27	1.50	1.63	1.70	1.45	1.46	1.66	3.11	2.94	1.81
	0.00	-4.12	-2.57	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.68	-0.07	0.00	0.00	0.00	0.00	0.00	0.00	0.00	3.22	-5.26	-1.83
	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	41.82	41.48	38.40	36.45	38.15	41.36	35.25	28.08	33.48	42.59	46.84	48.66	50.16	50.84	43.02	48.27	59.58	60.08	46.04	42.86	45.09	51.09	50.18	41.31
	-2.25	-3.00	-2.91	-2.53	-2.76	-2.85	-2.25	-1.89	-2.97	-4.44	-4.68	-4.43	-4.41	-4.54	-3.43	-4.03	-5.27	-5.17	-3.73	-3.54	-3.80	-7.83	-7.62	-4.03
	0.00	-0.55	-0.35	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.09	-0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.00	3.22	-5.26	-0.24
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

PJM 61847	41.81	41.67	38.39	36.10	37.84	40.89	34.92	27.99	33.91	43.66	48.00	49.61	51.11	52.01	43.63	49.05	60.89	61.21	46.49	43.22	45.54	57.62	56.43	41.93
	-2.26	-3.02	-3.04	-2.88	-3.07	-3.32	-2.58	-1.98	-2.54	-3.36	-3.52	-3.48	-3.48	-3.37	-2.81	-3.25	-3.95	-4.04	-3.28	-3.19	-3.34	-1.30	-1.37	-3.50
	0.00	-0.75	-0.47	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.12	-0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.00	3.22	-5.26	-0.33
	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	41.21	41.07	38.05	36.12	37.83	41.02	35.00	27.85	33.18	42.25	46.54	48.43	49.94	50.65	42.82	48.01	59.29	59.82	45.82	42.62	44.80	45.22	44.38	40.96
	-2.86	-3.41	-3.25	-2.86	-3.08	-3.19	-2.50	-2.12	-3.26	-4.78	-4.97	-4.66	-4.62	-4.73	-3.62	-4.28	-5.55	-5.43	-3.94	-3.79	-4.09	-3.92	-4.50	-4.38
	0.00	-0.55	-0.34	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.09	-0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.24
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N