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: 08/09/2003

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	52.35	45.05	41.42	33.80	43.24	37.06	39.72	47.96	49.62	52.43	52.63	59.17	60.52	57.45	56.26	53.60	53.17	56.56	54.70	56.86	79.17	59.79	55.05	51.54
	4.31	3.35	3.02	2.26	2.96	2.49	2.51	3.10	3.07	3.11	2.96	2.51	3.21	2.81	2.22	1.80	2.00	1.68	2.28	2.36	1.14	2.86	2.98	3.70
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-9.07	0.00	0.00	0.00	-4.63	-0.42	-12.65	-2.32	-5.69	-53.13	-0.14	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	46.55	40.35	37.16	30.49	38.91	33.45	36.02	43.50	45.16	47.91	48.27	47.33	56.01	53.47	52.96	46.64	49.66	42.54	49.23	48.27	29.53	55.51	50.74	46.46
	-1.49	-1.36	-1.25	-1.04	-1.37	-1.12	-1.19	-1.36	-1.38	-1.40	-1.40	-1.14	-1.30	-1.17	-1.08	-0.97	-1.13	-0.92	-1.09	-1.09	-0.48	-1.30	-1.33	-1.38
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.88	0.00	0.00	0.00	-0.45	-0.04	-1.23	-0.22	-0.55	-5.10	-0.01	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	51.29	44.77	41.05	33.90	43.30	37.17	40.06	48.50	50.79	54.03	56.79	60.66	63.38	60.59	60.06	56.03	56.86	56.77	57.37	58.71	68.66	63.01	57.21	51.85
	3.25	3.07	2.65	2.36	3.02	2.60	2.84	3.64	4.25	4.72	5.36	5.39	6.07	5.94	6.03	5.30	5.79	4.79	5.49	5.51	2.83	6.11	5.14	4.01
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.77	-7.67	0.00	0.00	0.00	-3.57	-0.32	-9.75	-1.79	-4.39	-40.92	-0.11	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	47.72	41.15	37.91	30.93	39.46	33.92	36.61	43.89	45.17	47.68	47.75	46.57	55.36	52.68	52.07	45.93	48.95	41.96	48.78	47.79	29.24	55.09	50.78	47.06
	-0.32	-0.56	-0.50	-0.61	-0.82	-0.64	-0.60	-0.97	-1.38	-1.63	-1.92	-1.90	-1.95	-1.97	-1.97	-1.68	-1.83	-1.49	-1.54	-1.57	-0.84	-1.72	-1.29	-0.78
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.88	0.00	0.00	0.00	-0.45	-0.04	-1.22	-0.22	-0.55	-5.17	-0.01	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	47.78	41.38	38.11	31.26	39.93	34.25	36.93	44.35	49.01	48.43	48.71	51.09	49.99	51.50	50.00	48.06	49.61	41.12	48.89	47.58	24.08	55.53	51.19	49.88
	-0.26	-0.33	-0.30	-0.27	-0.35	-0.31	-0.28	-0.51	-0.66	-0.88	-0.96	-1.53	-1.57	-1.75	-1.91	-1.63	-1.14	-1.04	-1.19	-1.19	-0.65	-1.26	-0.88	-0.28
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	1.29	0.00	0.00	0.01	4.35	3.31	7.73	4.55	0.00	0.07	0.01	0.03	0.17	0.00	0.00	-3.81
	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	49.82	43.49	39.97	32.98	42.11	36.14	38.89	47.00	49.16	52.28	53.18	58.15	61.52	58.84	58.32	54.44	55.11	55.22	55.68	56.97	67.47	61.34	55.64	50.32
	1.78	1.78	1.56	1.44	1.84	1.57	1.68	2.14	2.62	2.97	3.50	3.64	4.20	4.20	4.28	3.74	4.05	3.35	3.82	3.82	2.04	4.44	3.57	2.48
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-6.92	0.00	0.00	0.00	-3.54	-0.32	-9.65	-1.77	-4.34	-40.53	-0.11	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	51.92	54.11	41.93	34.65	46.05	52.67	50.36	52.06	53.53	54.89	57.34	61.14	63.84	60.85	60.29	56.29	59.46	57.32	59.60	64.83	69.12	63.32	57.50	53.96
	3.88	3.98	3.52	3.11	4.13	3.61	3.83	4.76	5.23	5.33	5.85	5.86	6.52	6.21	6.25	5.43	6.19	5.27	6.06	6.20	3.03	6.41	5.43	4.51
	0.00	-8.43	0.00	0.00	-1.64	-14.50	-9.32	-2.44	-1.75	-0.25	-1.82	-7.69	0.00	0.00	0.00	-3.70	-2.52	-9.82	-3.45	-9.82	-41.19	-0.12	0.00	-1.61
	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	49.14	42.61	39.26	32.17	41.08	35.26	37.96	45.70	47.23	49.90	50.21	48.39	58.11	55.33	54.50	47.67	51.25	42.98	50.95	49.78	26.66	57.79	53.05	48.80
	1.10	0.90	0.85	0.63	0.80	0.69	0.75	0.84	0.68	0.59	0.54	0.57	0.80	0.68	0.46	0.40	0.50	0.44	0.80	0.83	0.40	0.99	0.97	0.96
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.22	0.00	0.00	0.00	-0.11	-0.01	-0.31	-0.06	-0.14	-1.35	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	50.43	44.01	40.41	33.37	42.61	36.58	39.42	47.71	49.93	53.10	55.83	59.66	62.31	59.59	59.08	55.13	55.93	55.89	56.44	57.76	67.79	62.03	56.30	50.97
	2.39	2.30	2.00	1.83	2.33	2.01	2.20	2.85	3.39	3.79	4.39	4.47	5.00	4.95	5.04	4.44	4.86	4.01	4.58	4.61	2.36	5.13	4.23	3.13
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.77	-7.60	0.00	0.00	0.00	-3.53	-0.32	-9.64	-1.77	-4.34	-40.52	-0.11	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	55.79	53.99	46.88	41.75	49.89	46.84	47.32	53.93	58.57	66.60	69.33	73.35	78.40	75.22	75.35	72.87	71.88	72.74	74.22	73.34	81.20	78.67	64.72	60.94
	4.39	4.03	3.49	3.13	4.00	3.44	3.80	4.84	5.56	6.18	6.88	6.76	7.57	7.34	7.41	6.54	7.24	5.98	6.88	6.93	3.50	7.57	6.50	5.37
	-3.36	-8.26	-4.98	-7.09	-5.62	-8.83	-6.31	-4.22	-6.46	-11.11	-12.78	-19.00	-13.51	-13.23	-13.90	-19.17	-13.90	-24.52	-17.24	-17.61	-52.79	-14.30	-6.15	-7.73
	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	48.22	41.72	38.46	31.50	40.22	34.51	37.20	44.64	45.92	48.53	48.77	46.34	56.08	53.38	52.75	46.05	49.60	41.09	49.03	47.73	23.73	55.72	51.41	47.51
	0.18	0.02	0.05	-0.04	-0.06	-0.06	-0.02	-0.22	-0.62	-0.79	-0.90	-1.18	-1.23	-1.26	-1.29	-1.06	-1.15	-1.02	-1.04	-1.03	-0.58	-1.07	-0.67	-0.33
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.08	0.00	0.00	0.00	0.04	0.00	0.11	0.02	0.05	0.60	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	50.22	43.47	39.96	32.76	41.92	35.93	38.00	39.00	42.00	39.00	30.00	35.00	40.00	50.00	52.00	52.00	50.00	54.93	53.63	55.56	74.61	58.72	48.00	52.48
	2.18	1.76	1.55	1.22	1.65	1.36	1.91	2.00	2.70	3.02	3.07	3.26	3.02	3.34	3.34	3.31	3.64	1.05	1.41	1.51	0.75	1.80	2.70	2.32
	0.00	0.00	0.00	0.00	0.00	0.00	4.56	6.53	11.66	12.66	24.19	20.89	18.93	9.90	10.98	5.55	7.11	-11.65	-2.14	-5.24	-48.95	-0.13	1.22	-3.81
	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	30.06	23.98	31.81	30.00	33.33	29.01	30.92	36.81	42.43	40.39	40.73	40.42	47.49	45.43	45.47	40.43	42.85	37.31	42.69	41.86	27.53	47.69	43.53	43.49
	-5.64	-3.39	-6.60	-5.10	-6.95	-4.59	-6.29	-8.05	-7.24	-8.92	-8.94	-8.28	-9.83	-9.21	-8.57	-7.30	-7.95	-6.46	-7.69	-7.64	-3.87	-9.12	-8.55	-6.67
	7.00	3.70	0.00	2.69	0.00	3.44	0.00	0.00	1.29	0.00	0.00	-1.11	0.00	0.00	0.00	-0.57	-0.05	-1.54	-0.28	-0.70	-6.49	-0.02	0.00	-3.81
	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	10.00	12.99	15.00	14.00	20.00	32.82	25.00	42.69	45.80	47.10	47.67	47.57	55.40	52.99	52.63	46.80	49.67	43.46	49.32	48.59	33.28	55.30	50.19	45.34
	-4.61	-2.18	-4.77	-3.78	-3.02	-1.75	-2.93	-2.17	-3.87	-2.21	-2.00	-1.54	-1.91	-1.65	-1.41	-1.13	-1.14	-0.89	-1.16	-1.17	-0.50	-1.52	-1.89	-4.82
	28.09	15.90	17.48	20.01	11.33	0.00	12.72	0.00	1.29	0.00	0.00	-1.51	0.00	0.00	0.00	-0.77	-0.07	-2.11	-0.39	-0.95	-8.87	-0.02	0.00	-3.81
	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	44.03	38.60	35.74	29.38	37.41	32.16	34.69	41.25	42.67	45.23	45.64	45.18	53.27	50.99	51.15	45.44	48.15	41.74	47.94	46.91	30.02	53.51	48.80	43.96
	-4.01	-3.11	-2.67	-2.16	-2.86	-2.41	-2.52	-3.61	-3.88	-4.09	-4.03	-3.51	-4.04	-3.65	-2.89	-2.28	-2.64	-2.03	-2.44	-2.59	-1.28	-3.30	-3.27	-3.88
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.10	0.00	0.00	0.00	-0.56	-0.05	-1.53	-0.28	-0.69	-6.39	-0.02	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