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: 08/10/2003

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	51.45	60.95	41.21	25.75	34.07	43.54	33.96	35.98	41.56	37.46	53.96	41.36	60.40	76.17	87.64	84.49	79.62	83.76	54.21	47.01	57.25	52.18	55.21	53.12
	3.71	4.34	2.90	1.88	2.54	3.45	2.54	2.01	2.51	1.92	2.76	1.86	3.21	3.63	3.91	3.54	3.38	3.51	2.17	1.92	2.51	2.25	2.48	3.55
	0.00	0.00	0.00	0.00	-0.02	-0.27	0.00	0.00	0.00	0.00	0.00	0.00	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	46.20	54.68	36.99	23.13	30.48	38.42	30.36	32.98	37.90	34.57	49.75	38.45	55.63	70.52	81.47	78.90	74.41	78.42	50.87	44.00	53.41	48.75	51.52	48.15
	-1.54	-1.92	-1.32	-0.74	-1.03	-1.38	-1.06	-0.99	-1.15	-0.97	-1.45	-1.05	-1.56	-2.02	-2.26	-2.05	-1.83	-1.82	-1.17	-1.10	-1.34	-1.18	-1.21	-1.42
	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	0.00	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	51.67	61.13	50.81	54.98	50.71	51.48	51.57	52.90	53.93	55.82	61.34	64.15	78.39	89.07	93.01	91.63	84.17	88.50	57.46	59.79	65.13	62.18	57.62	53.45
	3.93	4.52	2.95	1.62	2.06	2.48	1.98	2.50	3.13	3.26	4.90	4.04	5.78	7.71	8.87	8.67	7.93	8.25	5.41	4.83	5.86	4.94	4.74	3.88
	0.00	0.00	-9.54	-29.49	-17.13	-9.18	-18.17	-16.42	-11.74	-17.02	-5.24	-20.61	-15.41	-8.82	-0.41	-2.00	0.00	0.00	0.00	-9.86	-4.53	-7.31	-0.15	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	46.90	55.51	37.61	23.68	31.31	39.57	31.24	33.54	38.37	34.61	49.75	38.13	55.43	69.79	80.51	77.93	73.57	77.62	50.47	43.67	53.01	48.70	51.74	48.96
	-0.84	-1.09	-0.71	-0.19	-0.21	-0.23	-0.18	-0.43	-0.68	-0.93	-1.45	-1.37	-1.77	-2.76	-3.22	-3.02	-2.68	-2.63	-1.58	-1.43	-1.73	-1.23	-0.99	-0.60
	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	0.00	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	47.25	56.12	38.01	23.72	31.32	39.61	31.25	33.51	34.84	36.21	50.34	52.00	56.20	71.20	82.24	48.00	47.43	78.50	42.85	44.09	53.59	49.11	51.83	48.97
	-0.49	-0.48	-0.30	-0.15	-0.20	-0.22	-0.17	-0.46	-0.34	-0.66	-0.86	-1.83	-1.00	-1.34	-1.50	-1.57	-1.29	-1.75	-1.22	-1.00	-1.15	-0.82	-0.90	-0.60
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	2.44	1.67	0.00	1.71	0.00	0.00	0.00	6.46	1.05	0.00	4.55	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	50.19	59.46	40.15	24.86	32.70	40.09	32.61	35.56	41.09	37.72	54.57	42.39	61.36	78.22	90.27	87.28	82.14	86.41	56.02	48.63	59.09	53.51	56.00	52.01
	2.45	2.86	1.83	0.99	1.26	1.52	1.19	1.59	2.04	2.18	3.37	2.89	4.16	5.67	6.54	6.33	5.89	6.16	3.98	3.53	4.35	3.58	3.27	2.45
	0.00	0.00	0.00	0.00	0.09	1.25	0.00	0.00	0.00	0.00	0.00	0.00	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	53.07	62.34	51.61	55.44	51.25	51.87	51.97	53.07	53.90	55.77	61.37	64.18	78.32	88.89	92.89	91.41	83.74	87.80	57.17	59.74	65.14	62.24	57.80	61.82
	4.76	5.74	3.76	2.08	2.63	3.18	2.38	2.68	3.11	3.22	4.92	4.07	5.72	7.53	8.75	8.46	7.50	7.55	5.12	4.78	5.87	5.00	4.92	4.62
	-0.57	0.00	-9.54	-29.49	-17.10	-8.86	-18.17	-16.42	-11.74	-17.02	-5.24	-20.61	-15.41	-8.82	-0.41	-2.00	0.00	0.00	0.00	-9.86	-4.53	-7.31	-0.15	-7.63
	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	48.72	57.75	39.13	24.44	32.27	40.79	32.11	34.47	39.68	36.01	51.86	39.85	57.88	73.38	84.63	81.78	77.00	81.13	52.60	45.66	55.45	50.53	53.38	50.44
	0.98	1.14	0.81	0.57	0.75	0.96	0.69	0.50	0.63	0.47	0.66	0.35	0.68	0.83	0.90	0.83	0.75	0.88	0.56	0.56	0.71	0.60	0.65	0.88
	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

MILLWD 61759	50.80	60.10	50.12	54.57	49.66	43.47	51.04	52.33	53.25	55.20	60.46	63.48	77.40	87.83	91.59	90.25	82.92	87.18	56.59	59.01	64.17	61.31	56.69	52.54
	3.06	3.49	2.26	1.21	1.53	1.81	1.45	1.93	2.46	2.64	4.02	3.36	4.79	6.47	7.45	7.30	6.67	6.94	4.54	4.05	4.89	4.06	3.81	2.98
	0.00	0.00	-9.54	-29.49	-16.61	-1.84	-18.17	-16.42	-11.74	-17.02	-5.24	-20.61	-15.41	-8.82	-0.41	-2.00	0.00	0.00	0.00	-9.86	-4.53	-7.31	-0.15	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	60.59	67.88	60.44	62.80	57.62	54.12	52.65	54.96	59.66	58.26	64.10	96.88	111.98	115.02	124.52	109.06	95.18	98.94	78.54	101.34	104.41	85.47	98.76	68.58
	5.27	6.06	4.02	2.25	2.85	3.43	2.74	3.39	4.24	4.29	6.34	5.05	7.23	9.53	10.86	10.52	9.58	10.01	6.63	5.97	7.23	6.10	5.98	5.06
	-7.58	-5.22	-18.11	-36.69	-23.26	-10.87	-18.49	-17.60	-16.37	-18.44	-6.57	-52.32	-47.56	-32.94	-29.94	-17.58	-9.35	-8.69	-19.87	-50.26	-42.44	-29.44	-40.05	-13.96
	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	47.61	56.53	38.30	23.93	31.60	39.98	31.51	33.68	38.66	34.96	50.47	38.80	56.31	71.29	82.33	79.56	74.82	78.62	50.94	44.18	53.71	49.21	51.95	49.25
	-0.13	-0.08	-0.01	0.06	0.08	0.15	0.09	-0.30	-0.39	-0.58	-0.73	-0.70	-0.89	-1.25	-1.40	-1.40	-1.43	-1.62	-1.10	-0.91	-1.03	-0.72	-0.78	-0.31
	0.00	0.00	0.00	0.00	0.00	-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
	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	49.76	58.96	39.86	24.84	32.88	42.13	32.77	35.02	37.02	38.99	52.90	40.70	59.20	74.90	86.23	83.22	52.01	82.47	46.00	44.00	56.34	51.24	54.06	51.49
	2.02	2.35	1.55	0.97	1.33	1.85	1.35	1.05	1.84	2.12	1.70	1.19	2.00	2.36	2.50	2.27	3.29	2.22	2.92	2.68	1.60	1.31	1.33	1.92
	0.00	0.00	0.00	0.00	-0.03	-0.45	0.00	0.00	2.44	1.67	0.00	0.00	0.00	0.00	0.00	0.00	1.05	0.00	5.54	2.59	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

O H 61846	31.99	25.00	27.00	24.99	24.99	24.70	23.80	28.72	31.00	33.67	42.72	33.09	47.51	60.43	69.93	67.88	43.00	67.70	39.50	38.15	40.00	42.22	34.99	41.01
	-6.04	-4.07	-5.92	-5.81	-6.39	-5.77	-5.66	-5.26	-4.18	-3.20	-8.47	-6.41	-9.68	-12.12	-13.80	-13.07	-5.72	-12.55	-4.57	-6.95	-4.86	-7.71	-3.97	-8.55
	6.69	6.36	11.25	12.24	14.59	12.26	11.87	0.00	2.44	1.67	0.00	0.00	0.00	0.00	0.00	0.00	1.05	0.00	4.55	0.00	11.62	0.00	4.14	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	14.99	10.99	9.00	14.99	14.50	15.00	15.00	32.69	33.49	35.44	49.54	38.26	55.02	70.35	81.24	78.51	48.87	77.91	44.12	43.81	53.14	48.38	50.77	46.90
	-4.25	-2.87	-4.06	-4.09	-4.55	-4.32	-4.05	-1.29	-1.69	-1.43	-1.66	-1.25	-2.17	-2.19	-2.49	-2.44	0.15	-2.33	0.05	-1.28	-1.60	-1.55	-1.96	-2.66
	25.48	21.57	31.11	23.96	26.92	23.41	22.28	0.00	2.44	1.67	0.00	0.00	0.00	0.00	0.00	0.00	1.05	0.00	4.55	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	43.78	52.07	35.43	22.08	29.14	36.60	29.11	32.26	36.63	33.52	47.92	37.12	53.24	67.72	78.47	76.20	72.03	76.08	49.55	42.80	51.61	47.43	50.05	45.95
	-3.96	-4.54	-2.89	-1.78	-2.38	-3.19	-2.31	-1.71	-2.42	-2.01	-3.28	-2.38	-3.96	-4.83	-5.27	-4.75	-4.22	-4.17	-2.49	-2.29	-3.13	-2.50	-2.68	-3.61
	0.00	0.00	0.00	0.00	0.00	0.03	0.00	0.00	0.00	0.00	0.00	0.00	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