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: 08/29/2003

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	24.87	29.90	27.87	40.37	37.37	46.66	23.81	31.52	45.56	51.75	53.60	49.85	49.01	75.71	65.90	69.00	60.79	56.85	50.66	58.23	68.46	55.18	59.12	54.61
	1.36	2.04	1.95	3.17	2.79	3.33	1.53	1.70	2.57	2.85	2.39	1.75	1.66	2.46	1.46	1.94	1.42	1.23	1.52	2.16	2.35	1.96	3.09	3.62
	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

CENTRL 61754	22.91	27.07	25.05	35.91	33.38	41.91	21.69	29.05	41.81	47.56	50.01	47.19	46.45	72.00	63.47	65.98	58.35	54.67	48.27	55.06	64.95	52.20	54.82	49.62
	-0.60	-0.79	-0.86	-1.29	-1.20	-1.42	-0.58	-0.76	-1.18	-1.34	-1.20	-0.90	-0.89	-1.25	-0.97	-1.08	-1.02	-0.95	-0.87	-1.01	-1.16	-1.02	-1.21	-1.37
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	25.36	29.69	27.45	39.18	36.46	45.88	23.80	32.39	46.95	53.49	56.25	52.85	52.15	80.80	71.30	73.99	65.68	61.80	54.69	62.40	73.70	59.08	61.67	55.18
	1.85	1.83	1.54	1.98	1.88	2.55	1.53	2.58	3.97	4.59	5.04	4.75	4.80	7.55	6.86	6.93	6.31	6.18	5.55	6.33	7.59	5.87	5.64	4.19
	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	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	23.19	27.78	25.95	37.31	34.53	43.36	22.30	29.47	42.32	48.08	50.30	47.49	46.69	72.17	63.33	66.09	58.03	54.10	47.68	54.41	64.07	51.47	54.52	50.27
	-0.32	-0.08	0.04	0.11	-0.05	0.03	0.02	-0.34	-0.67	-0.83	-0.91	-0.61	-0.66	-1.08	-1.11	-0.96	-1.34	-1.52	-1.46	-1.66	-2.05	-1.75	-1.51	-0.72
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	37.39	27.59	25.77	37.00	34.37	43.08	22.11	29.45	38.28	48.53	50.48	47.45	46.57	71.92	63.24	65.89	58.28	54.46	47.85	54.75	64.51	51.90	44.67	42.72
	-0.26	-0.27	-0.15	-0.20	-0.21	-0.25	-0.17	-0.37	-0.67	-0.38	-0.73	-0.65	-0.77	-1.33	-1.21	-1.17	-1.09	-1.15	-1.29	-1.32	-1.61	-1.31	-0.88	-0.33
	6.51	0.00	0.00	0.00	0.00	0.00	0.00	0.00	3.04	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	3.61	3.72
	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	24.80	29.08	26.90	38.45	35.79	44.97	23.28	31.62	45.77	52.08	54.79	51.38	50.79	78.76	69.45	72.07	63.99	60.16	53.26	60.71	71.74	57.57	60.12	53.94
	1.29	1.22	0.99	1.25	1.22	1.64	1.00	1.81	2.78	3.18	3.58	3.29	3.45	5.50	5.01	5.01	4.62	4.54	4.12	4.63	5.62	4.36	4.09	2.95
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	26.21	30.20	27.93	39.86	37.12	51.22	56.36	56.94	57.34	58.26	68.85	80.17	81.96	95.59	95.43	93.73	72.10	65.40	67.19	72.31	90.70	104.02	83.02	59.76
	2.26	2.34	2.02	2.66	2.54	3.55	2.02	3.20	4.77	5.53	5.87	5.24	5.21	8.03	7.05	7.30	6.27	6.29	6.01	7.19	8.53	6.61	6.52	5.01
	-0.44	0.00	0.00	0.00	0.00	-4.34	-32.05	-23.92	-9.58	-3.83	-11.76	-26.84	-29.40	-14.31	-23.94	-19.37	-6.46	-3.49	-12.04	-9.05	-16.06	-44.19	-20.48	-3.76
	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	23.94	28.45	26.47	38.07	35.34	44.19	22.67	30.20	43.66	49.73	52.05	48.87	48.06	74.38	65.13	67.74	59.83	56.06	49.69	56.90	67.26	54.08	57.13	52.11
	0.43	0.59	0.55	0.87	0.76	0.86	0.39	0.39	0.67	0.82	0.84	0.78	0.71	1.13	0.68	0.68	0.46	0.44	0.55	0.83	1.14	0.86	1.10	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

MILLWD 61759	24.96	29.21	27.02	38.57	35.89	45.15	23.42	31.85	46.16	52.57	55.30	51.92	51.28	79.48	70.14	72.78	64.61	60.79	53.80	61.36	72.48	58.11	60.65	54.27
	1.45	1.35	1.11	1.37	1.32	1.82	1.14	2.03	3.17	3.66	4.09	3.83	3.93	6.23	5.70	5.72	5.24	5.17	4.66	5.29	6.36	4.90	4.62	3.28
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	38.92	36.58	33.80	40.32	37.21	47.25	28.67	42.21	53.15	72.05	73.25	79.76	82.64	103.08	109.66	98.16	94.91	84.91	85.05	77.28	88.44	76.45	79.17	72.99
	2.44	2.52	2.16	2.83	2.63	3.56	2.10	3.37	5.15	5.90	6.32	5.86	5.92	9.21	8.37	8.47	7.68	7.54	6.82	7.81	9.29	7.20	7.03	5.34
	-12.96	-6.20	-5.73	-0.30	0.00	-0.36	-4.29	-9.03	-5.01	-17.24	-15.72	-25.80	-29.37	-20.61	-36.85	-22.63	-27.86	-21.75	-29.09	-13.40	-13.04	-16.04	-16.11	-16.65
	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	23.22	27.77	25.95	37.29	34.62	43.36	22.21	29.52	42.62	48.71	50.43	47.35	46.45	71.74	63.00	65.71	58.07	54.26	47.72	54.69	64.40	51.79	54.83	50.46
	-0.29	-0.09	0.03	0.09	0.04	0.03	-0.07	-0.29	-0.37	-0.19	-0.78	-0.75	-0.89	-1.51	-1.44	-1.34	-1.30	-1.36	-1.41	-1.38	-1.72	-1.43	-1.20	-0.53
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	40.12	28.98	26.94	38.88	36.06	45.07	23.07	30.78	41.13	50.54	52.56	49.90	48.23	74.54	65.13	67.96	60.10	56.31	50.13	57.43	67.59	54.43	48.60	45.34
	2.47	1.12	1.02	1.68	1.48	1.75	0.79	0.97	2.18	1.63	1.35	2.33	0.88	1.29	0.69	0.90	0.73	0.70	0.99	1.36	1.48	1.22	3.05	2.29
	6.51	0.00	0.00	0.00	0.00	0.00	0.00	0.00	3.04	0.00	0.00	1.98	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	3.61	3.72
	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	31.34	23.26	28.00	31.20	28.78	32.01	30.00	25.06	35.00	40.23	42.53	40.47	39.69	61.34	54.54	56.51	50.14	47.12	41.35	46.57	55.07	44.33	40.44	37.16
	-6.31	-4.60	-3.63	-4.31	-5.80	-5.42	-4.59	-4.75	-3.95	-8.68	-8.68	-7.62	-7.65	-11.92	-9.91	-10.55	-9.23	-8.50	-7.78	-9.51	-11.04	-8.88	-5.11	-5.89
	6.51	0.00	4.00	1.99	0.00	8.14	3.33	0.00	3.04	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	3.61	3.72
	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	32.22	25.88	3.00	3.00	3.00	5.00	21.00	27.97	36.89	45.81	48.49	45.84	45.19	70.01	62.08	64.27	57.21	53.71	47.25	53.56	63.38	50.90	40.98	38.00
	-5.43	-1.97	-3.31	-3.56	-2.59	-4.42	-3.68	-1.84	-2.06	-3.10	-2.72	-2.25	-2.16	-3.24	-2.36	-2.78	-2.16	-1.91	-1.88	-2.52	-2.74	-2.31	-4.57	-5.05
	6.51	0.00	29.32	30.94	28.92	36.15	13.24	0.00	3.04	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	3.61	3.72
	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	22.23	26.04	24.26	34.43	32.19	40.54	20.92	28.12	39.82	45.17	47.81	45.60	44.72	69.09	61.51	63.70	56.68	53.18	46.54	52.34	61.97	49.86	51.91	47.11
	-1.29	-1.82	-1.66	-2.77	-2.39	-2.79	-1.36	-1.69	-3.17	-3.74	-3.40	-2.50	-2.62	-4.16	-2.93	-3.36	-2.69	-2.44	-2.60	-3.73	-4.15	-3.35	-4.12	-3.88
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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