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: 08/01/2003

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	45.23	37.40	45.20	41.27	37.27	35.75	41.75	59.08	55.64	56.08	56.07	53.00	53.71	52.92	54.89	42.45	50.86	59.47	55.49	48.33	46.36	55.33	59.66	54.35
	3.41	2.80	3.44	3.26	2.99	2.94	3.23	4.15	3.52	3.33	2.77	1.87	2.05	1.86	1.77	1.14	1.23	1.50	1.91	2.03	2.00	2.47	3.34	3.41
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.14	-0.04	-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

CENTRL 61754	40.89	33.74	40.65	36.95	33.31	31.94	37.57	53.63	50.90	51.54	52.14	50.20	50.79	50.25	52.30	40.83	49.23	57.36	52.93	45.64	43.77	52.15	55.28	49.80
	-0.93	-0.86	-1.10	-1.06	-0.98	-0.87	-0.95	-1.30	-1.22	-1.21	-1.16	-0.93	-0.87	-0.81	-0.81	-0.41	-0.38	-0.59	-0.65	-0.66	-0.59	-0.71	-1.04	-1.14
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.08	-0.02	-0.02	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	43.69	36.19	43.59	39.56	35.63	34.21	40.34	58.34	56.15	57.44	58.35	56.22	57.08	56.56	58.86	77.88	62.65	69.35	58.36	56.29	74.17	62.97	60.25	54.15
	1.86	1.59	1.83	1.55	1.35	1.40	1.82	3.41	4.04	4.69	5.05	5.09	5.42	5.50	5.74	4.24	4.38	5.12	4.48	3.74	3.71	4.20	3.93	3.21
	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	0.00	-32.47	-8.67	-6.30	-0.30	-6.25	-26.09	-5.90	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	42.47	34.90	42.16	38.39	34.69	33.22	39.01	54.97	51.48	51.81	52.24	50.13	50.56	49.96	51.95	40.48	48.95	57.07	52.74	45.71	43.46	52.00	55.72	50.51
	0.65	0.31	0.40	0.38	0.41	0.41	0.49	0.04	-0.64	-0.94	-1.05	-1.00	-1.10	-1.10	-1.16	-0.69	-0.64	-0.86	-0.84	-0.58	-0.90	-0.86	-0.59	-0.42
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	41.35	34.23	41.32	37.61	33.97	32.50	39.19	43.75	47.01	48.00	51.01	50.13	51.00	49.98	53.00	51.00	52.00	55.46	52.50	45.37	50.42	51.68	55.34	50.24
	-0.47	-0.36	-0.44	-0.40	-0.31	-0.31	-0.28	-0.81	-1.30	-1.46	-1.55	-1.00	-1.48	-1.48	-1.66	-1.78	-1.81	-1.64	-1.07	-0.93	-1.09	-1.18	-0.98	-0.69
	0.00	0.00	0.00	0.00	0.00	0.00	0.30	6.37	-3.62	2.74	2.64	0.00	0.45	1.22	0.54	4.67	2.78	-0.41	0.00	0.00	0.23	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	42.81	35.44	42.71	38.79	34.95	33.50	39.44	56.93	54.70	55.80	56.69	54.64	55.46	54.92	57.15	68.93	59.58	66.39	57.03	48.91	46.93	55.79	58.74	52.79
	0.99	0.84	0.95	0.78	0.67	0.69	0.92	2.01	2.58	3.06	3.39	3.51	3.80	3.86	4.03	2.96	3.37	3.65	3.23	2.61	2.57	2.93	2.42	1.85
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-24.80	-6.62	-4.81	-0.23	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	44.62	62.44	69.67	68.25	52.46	50.04	54.45	59.21	56.65	57.99	59.31	58.58	59.56	59.72	60.11	78.03	62.37	69.15	58.40	58.13	74.44	63.38	60.89	57.02
	2.65	2.42	2.88	2.51	2.17	2.23	2.65	4.20	4.53	5.23	5.53	5.55	5.85	5.94	6.22	4.39	4.11	4.92	4.53	4.02	3.98	4.55	4.57	3.97
	-0.15	-25.42	-25.02	-27.72	-16.00	-15.00	-13.28	-0.08	0.00	-0.02	-0.48	-1.91	-2.05	-2.71	-0.77	-32.47	-8.67	-6.30	-0.30	-7.81	-26.09	-5.97	0.00	-2.12
	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	42.65	35.29	42.59	38.77	34.95	33.48	39.28	55.79	52.76	53.38	53.89	51.70	52.27	51.75	53.89	41.88	50.30	58.73	54.32	47.15	45.15	53.76	57.21	51.87
	0.83	0.69	0.83	0.76	0.66	0.67	0.76	0.86	0.65	0.64	0.59	0.57	0.61	0.69	0.77	0.56	0.67	0.76	0.74	0.86	0.79	0.90	0.89	0.93
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.15	-0.04	-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

MILLWD 61759	43.03	35.64	42.93	38.96	35.10	33.69	39.71	57.40	55.23	56.47	57.40	55.35	56.19	55.67	57.94	75.59	61.38	68.09	57.56	55.54	73.42	62.14	59.31	53.29
	1.20	1.04	1.17	0.95	0.82	0.89	1.19	2.47	3.12	3.73	4.10	4.22	4.53	4.61	4.82	3.50	3.53	4.15	3.70	2.99	2.96	3.37	2.99	2.36
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-30.92	-8.26	-6.00	-0.29	-6.25	-26.09	-5.90	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	66.57	52.38	55.79	56.51	51.31	49.92	56.79	60.24	62.10	60.43	73.50	75.12	73.16	81.44	88.06	118.69	91.74	84.22	82.59	88.45	93.12	74.58	66.36	63.20
	2.62	2.24	2.61	2.23	1.96	2.04	2.61	4.58	5.24	5.95	6.25	6.14	6.47	6.54	6.80	4.90	4.71	5.56	5.10	4.51	4.32	5.07	5.06	4.25
	-22.12	-15.55	-11.42	-16.26	-15.06	-15.07	-15.66	-0.73	-4.75	-1.73	-13.95	-17.85	-15.03	-23.84	-28.14	-72.62	-37.44	-20.72	-23.92	-37.64	-44.44	-16.65	-4.99	-8.01
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

NORTH 61755	41.66	34.49	41.62	37.89	34.21	32.74	38.44	54.38	51.40	51.87	52.38	50.16	50.28	49.68	51.75	40.15	48.30	56.55	52.47	45.36	43.31	51.77	55.49	50.46
	-0.16	-0.11	-0.14	-0.13	-0.07	-0.06	-0.08	-0.54	-0.71	-0.87	-0.92	-0.96	-1.38	-1.39	-1.37	-1.02	-1.29	-1.39	-1.11	-0.94	-1.05	-1.09	-0.83	-0.48
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	43.30	35.87	43.32	39.53	35.67	34.18	40.90	47.00	53.40	54.52	54.72	52.01	52.87	52.18	54.17	53.37	52.95	59.71	54.41	47.21	53.99	53.93	57.75	52.42
	1.48	1.27	1.57	1.52	1.39	1.38	1.43	2.44	2.68	1.77	1.42	0.88	1.21	1.12	1.05	0.50	0.24	2.61	0.72	0.91	2.48	1.07	1.43	1.49
	0.00	0.00	0.00	0.00	0.00	0.00	0.30	6.37	-6.03	0.00	0.00	0.00	0.00	0.00	0.00	-11.69	-3.12	-0.41	-0.11	0.00	0.23	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	34.68	28.65	34.52	31.34	28.26	26.92	34.74	39.01	46.12	43.15	44.05	43.15	43.70	43.33	45.17	35.80	43.03	54.66	45.81	38.88	45.72	43.94	46.31	41.53
	-7.14	-5.95	-7.24	-6.67	-6.03	-5.89	-4.73	-5.55	-4.60	-9.59	-9.25	-7.98	-7.96	-7.73	-7.95	-5.84	-6.68	-2.44	-7.77	-7.42	-5.79	-8.92	-10.01	-9.41
	0.00	0.00	0.00	0.00	0.00	0.00	0.30	6.37	-6.03	0.00	0.00	0.00	0.00	0.00	0.00	-0.47	-0.13	-0.41	0.00	0.00	0.23	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	39.17	32.45	39.11	35.54	32.00	30.59	35.29	41.66	51.17	50.32	51.23	49.86	50.41	49.98	52.10	41.14	49.07	59.99	52.57	44.94	49.85	51.06	53.48	47.96
	-2.66	-2.15	-2.65	-2.48	-2.28	-2.22	-4.18	-2.90	0.45	-2.42	-2.07	-1.27	-1.25	-1.08	-1.02	-0.68	-0.69	2.89	-1.01	-1.36	-1.66	-1.80	-2.84	-2.97
	0.00	0.00	0.00	0.00	0.00	0.00	0.30	6.37	-6.03	0.00	0.00	0.00	0.00	0.00	0.00	-0.64	-0.17	-0.41	-0.01	0.00	0.23	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	39.05	32.26	38.89	35.29	31.80	30.22	35.63	50.77	47.90	48.40	49.46	48.61	49.21	48.84	50.97	39.92	48.64	56.20	51.53	43.74	41.56	49.48	51.99	46.52
	-2.78	-2.34	-2.87	-2.72	-2.49	-2.58	-2.89	-4.15	-4.21	-4.35	-3.84	-2.52	-2.45	-2.22	-2.15	-1.25	-0.95	-1.73	-2.05	-2.56	-2.80	-3.38	-4.32	-4.42
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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