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: 08/19/2003

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	46.74	33.09	18.60	24.22	27.04	17.30	16.04	22.25	46.87	45.37	48.68	36.95	51.83	52.63	39.27	56.55	60.55	59.87	59.73	60.86	46.66	49.38	43.28	32.00
	1.10	0.63	0.38	0.58	0.69	0.32	0.23	0.29	0.43	1.00	1.19	0.83	1.18	1.80	1.02	0.86	0.94	0.61	0.54	0.34	0.48	0.63	0.45	0.59
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-17.00	-5.41	-1.19	0.60	-6.11	-4.32	1.08	-21.75	-17.92	-31.39	-20.49	-33.80	-5.42	-3.16	-12.12	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	44.44	31.65	17.86	23.17	25.77	16.61	15.46	21.43	30.28	38.37	45.14	36.67	44.19	46.08	39.72	35.89	42.62	30.45	39.88	29.42	40.77	44.87	31.08	30.58
	-1.19	-0.81	-0.36	-0.47	-0.58	-0.37	-0.35	-0.52	-0.81	-1.12	-1.27	-0.94	-1.15	-1.18	-0.95	-0.78	-0.84	-0.60	-0.80	-0.58	-0.86	-1.04	-0.79	-0.83
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.64	-0.53	-0.12	-0.90	-0.79	-0.75	-1.33	-2.72	-1.77	-3.18	-1.98	-3.27	-0.87	-0.31	-1.17	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	49.50	35.20	19.64	25.38	28.35	18.53	17.42	24.50	46.12	47.84	52.94	70.74	61.54	64.29	78.75	84.70	76.25	75.85	59.20	57.16	58.55	53.47	43.63	34.60
	3.87	2.74	1.42	1.74	2.00	1.55	1.61	2.55	3.56	4.71	5.73	4.61	5.45	5.26	4.89	4.21	5.18	3.39	4.63	3.27	4.99	5.43	3.59	3.19
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-13.11	-4.17	-0.92	-29.42	-11.55	-12.52	-34.52	-46.54	-29.38	-44.59	-15.88	-27.16	-12.80	-2.43	-9.35	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	44.59	31.63	17.86	23.29	25.89	16.57	15.42	21.32	30.15	38.48	45.27	36.65	44.21	46.04	39.61	35.92	42.73	30.53	39.81	29.27	40.48	44.63	30.94	30.62
	-1.04	-0.83	-0.36	-0.35	-0.46	-0.41	-0.39	-0.64	-0.94	-0.99	-1.14	-0.87	-1.08	-1.14	-0.99	-0.71	-0.72	-0.53	-0.87	-0.73	-1.14	-1.27	-0.93	-0.79
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.65	-0.52	-0.11	-0.81	-0.76	-0.67	-1.26	-2.67	-1.76	-3.17	-1.98	-3.27	-0.86	-0.31	-1.17	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	44.45	31.62	17.77	23.07	25.75	16.59	15.45	21.45	20.00	39.56	45.33	35.93	53.06	47.12	47.60	48.75	49.96	48.26	44.79	44.35	43.67	48.30	26.80	30.75
	-1.19	-0.84	-0.45	-0.57	-0.60	-0.39	-0.36	-0.51	-1.01	-1.00	-0.96	-0.78	-1.43	-1.50	-1.63	-1.61	-1.70	-1.70	-1.65	-1.31	-1.40	-1.28	-0.71	-0.66
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	17.71	2.84	0.00	0.00	-3.37	5.00	5.00	5.00	5.00	5.00	5.00	1.15	5.00	-0.17	3.18	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	48.00	34.15	19.09	24.70	27.59	17.99	16.85	23.66	44.79	46.16	50.91	50.50	55.08	56.72	58.63	60.47	59.22	55.78	57.47	54.83	52.41	51.77	42.42	33.55
	2.37	1.69	0.87	1.06	1.24	1.01	1.04	1.70	2.40	3.08	3.71	3.05	3.68	3.22	3.29	2.84	3.49	2.30	3.17	2.25	3.44	3.76	2.47	2.15
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-12.95	-4.12	-0.91	-10.74	-6.85	-6.99	-16.01	-23.68	-14.04	-25.60	-15.60	-25.85	-8.21	-2.41	-9.24	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	54.21	63.66	59.37	45.87	48.63	48.17	49.21	51.21	52.68	57.34	61.79	74.51	71.78	64.50	78.81	94.60	76.35	75.77	60.67	58.75	61.23	57.20	52.69	60.80
	4.95	3.63	1.91	2.35	2.69	2.00	1.96	3.00	3.91	5.36	6.31	4.90	5.55	5.12	4.88	4.23	5.17	3.26	4.53	3.44	5.31	5.65	3.89	3.78
	-3.63	-27.57	-39.24	-19.88	-19.59	-29.19	-31.44	-26.26	-19.32	-13.02	-9.18	-32.89	-21.68	-12.87	-34.60	-56.42	-29.49	-44.63	-17.44	-28.59	-15.16	-5.95	-18.10	-25.61
	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	45.58	32.46	18.27	23.77	26.52	17.06	15.88	22.02	29.95	39.33	46.65	37.25	45.04	46.97	40.09	34.94	42.43	28.88	39.41	27.69	41.26	45.95	31.16	31.46
	-0.06	0.00	0.05	0.14	0.17	0.08	0.07	0.07	0.08	0.24	0.32	0.22	0.28	0.25	0.27	0.24	0.29	0.18	0.21	0.14	0.24	0.28	0.16	0.05
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.42	-0.13	-0.03	-0.32	-0.22	-0.21	-0.49	-0.75	-0.45	-0.82	-0.50	-0.83	-0.26	-0.08	-0.30	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	48.94	34.80	19.42	25.10	28.04	18.33	17.21	24.20	45.52	47.18	52.21	70.00	60.78	63.57	77.78	83.77	75.41	75.04	58.45	56.51	57.88	52.81	43.11	34.18
	3.30	2.34	1.21	1.46	1.69	1.35	1.41	2.25	3.14	4.11	5.00	4.05	4.81	4.60	4.29	3.70	4.56	2.99	4.11	2.91	4.43	4.81	3.17	2.78
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-12.93	-4.11	-0.91	-29.24	-11.43	-12.46	-34.15	-46.12	-29.16	-44.18	-15.64	-26.88	-12.69	-2.41	-9.24	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	55.86	40.35	24.71	25.86	28.90	18.93	22.71	36.43	53.01	64.21	71.40	79.38	75.74	74.74	95.95	97.35	90.07	84.80	71.67	88.39	85.75	71.99	81.62	56.95
	4.91	3.46	1.81	2.23	2.55	1.95	2.01	3.15	4.38	5.82	7.06	5.64	6.57	6.33	5.84	5.01	6.18	4.02	5.46	3.86	5.89	6.52	4.33	3.91
	-5.32	-4.43	-4.68	0.00	0.00	0.00	-4.88	-11.33	-19.18	-19.43	-18.04	-37.02	-24.63	-21.90	-50.77	-58.39	-42.20	-52.90	-27.51	-57.80	-39.10	-19.86	-46.59	-21.64
	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	44.41	31.58	17.76	23.08	25.77	16.56	15.42	21.41	28.65	38.07	45.40	35.97	43.55	45.43	38.50	33.00	40.47	26.96	37.64	25.74	39.66	44.50	29.89	30.71
	-1.22	-0.88	-0.46	-0.56	-0.59	-0.42	-0.39	-0.54	-0.72	-0.86	-0.89	-0.75	-0.96	-1.05	-0.85	-0.78	-1.06	-0.63	-0.87	-0.67	-1.04	-1.07	-0.71	-0.70
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.07	0.03	0.00	-0.01	0.03	0.02	-0.01	0.17	0.16	0.29	0.19	0.32	0.05	0.03	0.11	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	46.23	32.81	18.41	23.93	26.74	17.21	15.99	22.60	46.04	43.25	49.06	51.00	58.07	52.78	44.40	55.70	52.00	56.35	52.86	58.63	47.95	52.89	45.26	32.39
	0.59	0.35	0.19	0.30	0.39	0.23	0.18	0.64	0.92	2.69	1.66	3.08	3.58	1.29	1.31	3.54	3.74	3.68	3.50	0.73	1.05	3.21	2.03	0.99
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-15.67	2.84	-1.10	1.77	-3.37	-4.99	-3.76	3.20	8.40	2.29	2.08	-31.18	-6.14	-0.27	-12.54	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	39.23	28.07	15.82	20.61	22.87	14.84	13.93	19.28	27.65	36.87	39.83	32.68	50.25	40.64	35.34	32.65	38.41	28.26	36.38	27.43	36.57	45.73	26.83	27.45
	-6.40	-4.39	-2.40	-3.02	-3.48	-2.14	-1.88	-2.67	-3.87	-3.69	-6.62	-5.13	-4.24	-6.79	-5.63	-4.71	-5.51	-3.62	-4.82	-3.43	-5.27	-3.85	-2.58	-3.96
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.07	2.84	-0.15	-1.10	-3.37	-0.92	-1.63	-3.41	-2.23	-4.01	-2.50	-4.13	-1.09	-0.17	1.28	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	18.01	30.99	17.39	22.60	25.22	16.37	15.35	21.39	31.49	38.61	44.98	37.11	55.00	46.28	40.40	37.61	43.57	32.60	41.31	31.77	41.43	49.04	29.00	24.00
	-4.57	-1.47	-0.83	-1.04	-1.13	-0.61	-0.46	-0.56	-0.78	-1.95	-1.52	-1.10	0.51	-1.49	-1.18	-0.99	-1.15	-0.73	-0.78	-0.57	-0.80	-0.54	-1.66	-3.49
	15.52	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.82	2.84	-0.20	-1.50	-3.37	-1.26	-2.24	-4.65	-3.03	-5.45	-3.40	-5.62	-1.48	-0.17	0.03	5.77
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

WEST 61752	44.00	31.61	17.85	23.25	25.81	16.75	15.70	21.71	30.87	38.20	44.83	36.68	43.94	45.70	39.63	36.38	43.04	31.33	40.72	30.37	41.08	45.15	31.65	30.91
	-1.64	-0.85	-0.37	-0.38	-0.54	-0.23	-0.11	-0.24	-0.63	-1.42	-1.61	-1.15	-1.57	-1.76	-1.34	-0.96	-0.86	-0.53	-0.47	-0.45	-0.76	-0.83	-0.52	-0.50
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.06	-0.66	-0.15	-1.12	-0.98	-0.95	-1.63	-3.39	-2.21	-3.99	-2.49	-4.10	-1.08	-0.38	-1.47	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