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: 08/25/2003

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	32.45	30.37	45.29	42.63	43.78	43.81	32.41	34.42	52.03	55.48	55.85	58.41	67.04	80.02	82.21	64.03	84.39	75.61	54.48	60.54	79.24	52.64	49.21	45.86
	2.19	2.11	3.38	3.14	3.27	3.25	2.29	2.27	3.49	3.05	2.37	1.97	1.60	1.98	1.91	0.92	1.73	1.44	0.92	1.34	2.01	1.31	1.87	2.23
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	29.63	27.71	40.82	38.26	39.26	39.36	29.25	31.27	47.27	51.28	52.47	55.56	64.58	77.18	79.39	62.56	81.84	73.43	53.09	58.52	76.35	50.74	46.69	42.93
	-0.63	-0.55	-1.08	-1.22	-1.24	-1.19	-0.87	-0.88	-1.26	-1.16	-1.01	-0.88	-0.86	-0.86	-0.91	-0.56	-0.82	-0.74	-0.47	-0.68	-0.88	-0.59	-0.65	-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

DUNWOD 61760	31.74	29.44	43.53	41.09	42.18	42.51	31.96	34.63	52.32	56.65	58.06	61.58	71.72	85.70	88.27	69.85	91.38	81.75	58.83	65.05	84.68	56.04	51.22	46.85
	1.49	1.18	1.63	1.60	1.68	1.95	1.84	2.48	3.78	4.22	4.57	5.14	6.28	7.66	7.97	6.73	8.73	7.58	5.26	5.84	7.46	4.71	3.88	3.22
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	30.46	28.57	42.45	39.86	40.88	40.78	30.11	31.91	48.29	52.41	53.56	56.38	65.32	77.80	80.02	62.75	82.04	73.49	53.11	58.50	76.46	50.98	47.24	43.88
	0.20	0.31	0.54	0.38	0.38	0.23	-0.02	-0.24	-0.25	-0.02	0.08	-0.06	-0.11	-0.24	-0.28	-0.37	-0.62	-0.68	-0.46	-0.70	-0.77	-0.35	-0.10	0.26
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	30.08	28.12	41.77	39.38	40.36	40.40	29.95	43.75	49.00	51.67	52.76	55.50	64.16	76.19	78.43	61.58	80.48	72.17	52.21	57.81	75.64	50.31	46.34	42.74
	-0.18	-0.14	-0.13	-0.10	-0.14	-0.16	-0.17	-0.65	-1.12	-0.77	-0.73	-0.94	-1.27	-1.85	-1.87	-1.54	-2.17	-2.00	-1.36	-1.40	-1.59	-1.02	-1.00	-0.88
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	1.88	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
	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	31.30	29.08	43.00	40.56	41.61	41.81	31.34	33.85	51.15	55.39	56.67	60.08	69.93	83.55	86.07	67.96	89.04	79.74	57.42	63.50	82.71	54.68	50.05	45.84
	1.04	0.82	1.09	1.07	1.10	1.26	1.22	1.70	2.61	2.95	3.19	3.64	4.50	5.51	5.77	4.85	6.38	5.57	3.85	4.29	5.48	3.35	2.71	2.22
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	32.46	30.04	44.40	41.89	43.04	48.21	46.14	52.86	54.73	57.43	60.06	62.91	73.67	86.90	89.35	86.70	92.40	95.63	60.75	66.04	85.28	57.95	56.88	57.82
	2.18	1.78	2.50	2.40	2.53	2.91	2.54	3.26	4.78	5.00	5.37	5.91	7.10	8.86	9.05	7.69	9.74	8.28	5.79	6.36	8.05	5.22	4.80	4.30
	-0.02	0.00	0.00	0.00	0.00	-4.74	-13.48	-17.45	-1.41	0.00	-1.20	-0.56	-1.14	0.00	0.00	-15.90	0.00	-13.19	-1.40	-0.47	0.00	-1.40	-4.75	-9.89
	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	30.75	28.71	42.67	40.21	41.26	41.29	30.61	32.60	49.18	53.01	54.00	57.14	66.22	79.08	81.40	63.87	83.70	75.01	54.11	59.84	78.09	51.83	47.84	44.32
	0.50	0.45	0.77	0.72	0.75	0.74	0.49	0.45	0.64	0.58	0.51	0.69	0.79	1.04	1.10	0.75	1.04	0.85	0.54	0.63	0.86	0.50	0.50	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

MILLWD 61759	31.28	29.01	42.89	40.48	41.55	41.84	31.44	34.03	51.40	55.67	57.06	60.53	70.48	84.23	86.76	68.64	89.81	80.36	57.84	63.96	83.26	55.09	50.34	46.06
	1.02	0.75	0.99	0.99	1.04	1.28	1.32	1.88	2.87	3.24	3.57	4.08	5.05	6.19	6.46	5.52	7.15	6.19	4.27	4.75	6.03	3.76	3.00	2.43
	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
	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	56.91	45.50	46.72	41.87	43.02	44.99	45.00	46.50	59.47	59.39	61.78	64.93	76.46	92.95	99.02	97.03	107.45	96.64	133.41	137.29	147.55	135.73	108.99	107.60
	2.10	1.71	2.41	2.39	2.52	2.87	2.57	3.38	5.16	5.64	6.00	6.67	8.10	9.75	10.08	8.49	10.96	9.52	6.62	7.42	9.34	5.96	5.00	4.21
	-24.55	-15.53	-2.41	0.00	0.00	-1.56	-12.30	-10.97	-5.77	-1.32	-2.29	-1.82	-2.93	-5.15	-8.64	-25.42	-13.83	-12.96	-73.23	-70.67	-60.98	-78.44	-56.65	-59.77
	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	30.24	28.26	42.04	39.63	40.63	40.66	30.12	31.82	48.07	51.75	52.87	55.38	63.96	75.98	78.20	61.37	80.24	71.92	52.00	57.81	75.67	50.28	46.38	42.87
	-0.01	0.00	0.13	0.15	0.12	0.11	0.00	-0.33	-0.46	-0.68	-0.62	-1.07	-1.47	-2.06	-2.10	-1.75	-2.41	-2.25	-1.57	-1.40	-1.56	-1.05	-0.96	-0.75
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	31.29	29.23	43.48	40.96	42.06	42.13	31.26	46.85	53.02	53.93	54.56	57.26	65.96	78.84	81.05	63.37	57.00	59.90	55.60	59.84	78.09	45.00	48.07	44.59
	1.03	0.97	1.57	1.48	1.55	1.58	1.14	2.45	2.90	1.49	1.07	0.81	0.52	0.80	0.75	0.26	3.25	3.33	3.00	0.63	0.86	2.80	0.73	0.97
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	1.88	0.67	0.00	0.00	0.00	0.00	0.00	0.00	0.00	7.61	5.09	5.09	0.00	0.00	14.96	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	25.33	23.75	35.05	32.99	33.89	33.90	25.06	39.17	44.43	44.05	45.65	48.36	56.61	67.45	69.44	55.03	71.57	64.62	47.03	51.51	66.74	44.46	40.66	37.31
	-4.92	-4.51	-6.85	-6.50	-6.62	-6.66	-5.06	-5.23	-5.69	-8.38	-7.83	-8.09	-8.83	-10.59	-10.86	-8.08	-11.09	-9.55	-6.54	-7.69	-10.49	-6.87	-6.67	-6.32
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	1.88	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
	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	28.69	9.01	5.01	5.00	2.10	17.00	27.93	40.79	47.83	49.34	51.68	55.11	64.35	76.82	79.19	62.73	81.99	73.70	53.34	58.87	76.60	50.72	46.15	42.14
	-1.57	-2.69	-2.41	-1.94	-2.88	-4.31	-2.19	-3.61	-2.29	-3.09	-1.80	-1.34	-1.09	-1.22	-1.11	-0.39	-0.66	-0.47	-0.22	-0.34	-0.62	-0.61	-1.19	-1.48
	0.00	8.40	19.12	17.98	21.69	22.21	0.00	1.88	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
	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	28.54	26.75	39.47	37.16	38.17	38.05	28.12	29.84	44.75	49.41	51.51	54.64	64.07	76.48	78.80	62.52	81.31	73.41	53.37	58.43	75.72	50.44	46.00	42.08
	-1.71	-1.51	-2.44	-2.33	-2.33	-2.50	-2.00	-2.31	-3.79	-3.02	-1.98	-1.81	-1.36	-1.56	-1.50	-0.60	-1.35	-0.76	-0.19	-0.78	-1.50	-0.89	-1.34	-1.54
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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