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: 07/01/2003

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	39.88	46.19	22.97	27.30	30.14	11.09	33.32	33.03	38.49	45.37	46.45	47.71	47.75	54.08	52.36	53.95	52.78	55.65	55.21	55.01	51.01	52.71	56.40	54.53
	3.75	3.98	1.99	2.37	2.65	0.96	2.55	2.09	2.55	3.08	3.14	3.21	2.88	3.30	3.06	2.79	2.89	3.20	2.98	3.01	2.95	3.24	3.50	4.09
	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	34.95	40.86	20.37	24.25	26.65	9.87	29.83	30.02	34.91	41.08	42.11	43.29	43.86	49.62	48.19	50.02	48.76	51.18	51.03	50.74	46.82	48.19	51.55	48.92
	-1.18	-1.35	-0.62	-0.68	-0.84	-0.26	-0.94	-0.93	-1.02	-1.21	-1.20	-1.21	-1.01	-1.16	-1.11	-1.14	-1.14	-1.28	-1.20	-1.27	-1.24	-1.28	-1.36	-1.53
	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

DUNWOD 61760	38.13	44.47	21.97	26.00	28.65	10.63	32.90	33.53	39.05	46.29	47.42	48.77	49.32	55.82	54.26	56.57	55.13	57.83	57.13	56.79	52.51	54.01	57.21	53.97
	2.00	2.26	0.99	1.07	1.16	0.50	2.13	2.59	3.11	4.00	4.10	4.27	4.45	5.04	4.95	5.40	5.24	5.37	4.90	4.79	4.46	4.55	4.31	3.53
	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

GENESE 61753	35.86	41.87	20.84	24.90	27.50	10.13	30.36	30.40	35.41	41.39	42.49	43.72	44.37	50.31	48.93	50.61	49.34	51.87	51.77	51.53	47.46	48.83	52.41	50.13
	-0.27	-0.34	-0.15	-0.04	0.01	0.00	-0.41	-0.55	-0.53	-0.90	-0.82	-0.78	-0.51	-0.47	-0.37	-0.55	-0.55	-0.59	-0.47	-0.47	-0.60	-0.64	-0.49	-0.32
	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	35.98	42.07	20.88	24.83	27.37	10.06	30.50	30.55	35.46	41.60	42.63	44.28	51.94	51.12	48.46	50.29	49.04	51.65	51.57	51.29	47.36	48.77	36.44	49.97
	-0.14	-0.14	-0.10	-0.10	-0.12	-0.07	-0.27	-0.39	-0.48	-0.69	-0.68	-0.86	-0.93	-0.96	-0.85	-0.87	-0.85	-0.80	-0.66	-0.72	-0.69	-0.70	-0.52	-0.48
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	2.49	-3.98	-1.34	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.16	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	37.25	43.45	21.52	25.48	28.08	10.40	32.05	32.57	37.98	44.96	46.07	47.35	47.90	54.20	52.55	54.68	53.34	55.93	55.42	55.20	51.09	52.59	55.67	52.56
	1.13	1.24	0.54	0.55	0.59	0.27	1.28	1.63	2.04	2.67	2.75	2.85	3.02	3.42	3.25	3.52	3.44	3.47	3.18	3.20	3.03	3.13	2.77	2.11
	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	66.73	76.04	40.61	26.54	29.22	47.04	50.17	53.54	55.11	55.61	56.86	61.98	58.68	66.40	68.45	71.85	72.92	77.45	70.54	59.33	59.62	67.11	58.04	56.70
	2.74	3.18	1.53	1.61	1.73	0.74	2.87	3.21	3.70	4.63	4.52	4.68	4.89	5.42	5.26	5.79	5.62	5.71	5.14	5.18	4.88	4.94	4.82	4.27
	-27.87	-30.66	-18.09	0.00	0.00	-36.16	-16.53	-19.38	-15.47	-8.68	-9.03	-12.80	-8.92	-10.20	-13.89	-14.89	-17.41	-19.28	-13.17	-2.15	-6.69	-12.70	-0.32	-1.98
	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	37.10	43.25	21.50	25.56	28.19	10.39	31.47	31.45	36.57	43.00	44.00	45.22	45.64	51.78	50.24	52.08	50.83	53.46	53.20	53.01	49.01	50.46	53.95	51.58
	0.98	1.04	0.52	0.63	0.70	0.26	0.69	0.51	0.63	0.71	0.68	0.72	0.77	1.00	0.93	0.92	0.94	1.01	0.97	1.01	0.95	1.00	1.05	1.13
	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	37.50	43.73	21.63	25.59	28.20	10.45	32.35	32.96	38.39	45.48	46.58	47.90	48.45	54.83	53.28	55.54	54.13	56.78	56.14	55.85	51.66	53.10	56.25	53.07
	1.37	1.52	0.65	0.66	0.71	0.33	1.58	2.02	2.45	3.19	3.27	3.40	3.57	4.05	3.97	4.37	4.24	4.32	3.91	3.85	3.60	3.64	3.35	2.62
	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

N.Y.C. 61761	52.66	51.77	40.72	38.30	36.78	22.71	45.96	43.82	44.16	54.36	61.85	57.40	60.42	59.80	73.17	75.89	79.41	83.17	78.02	76.45	59.67	67.79	86.49	72.54
	2.69	3.11	1.43	1.57	1.70	0.71	2.89	3.40	4.00	5.10	5.26	5.47	5.63	6.39	6.30	6.86	6.59	6.81	6.18	5.93	5.44	5.67	5.51	4.59
	-13.84	-6.45	-18.30	-11.80	-7.59	-11.87	-12.30	-9.47	-4.22	-6.96	-13.27	-7.44	-9.91	-2.63	-17.56	-17.87	-22.93	-23.91	-19.61	-18.51	-6.17	-12.66	-28.07	-17.50
	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	36.31	42.43	21.06	25.04	27.61	10.13	30.67	30.65	35.59	41.70	42.73	43.89	44.08	50.03	48.60	50.40	49.17	51.80	51.72	51.44	47.51	48.93	52.46	50.30
	0.18	0.22	0.07	0.11	0.12	0.00	-0.10	-0.29	-0.35	-0.59	-0.59	-0.61	-0.79	-0.75	-0.71	-0.76	-0.72	-0.66	-0.52	-0.56	-0.54	-0.53	-0.44	-0.15
	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	38.80	45.07	22.39	26.56	29.31	10.80	32.71	32.58	37.92	44.78	45.81	47.85	56.00	55.53	51.79	53.49	52.27	55.02	54.60	54.46	50.51	52.09	38.93	53.51
	2.68	2.86	1.40	1.63	1.82	0.68	1.93	1.63	1.98	2.49	2.50	2.71	3.13	3.45	2.49	2.32	2.37	2.56	2.37	2.45	2.45	2.62	1.97	3.07
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	2.49	-3.98	-1.34	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.16	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	29.14	34.56	17.22	20.46	22.57	8.30	25.14	25.50	29.56	34.36	35.22	39.00	46.02	44.82	40.98	42.71	41.59	43.73	43.86	43.80	40.22	41.10	33.77	41.62
	-6.99	-7.65	-3.77	-4.47	-4.92	-1.83	-5.63	-5.45	-6.38	-7.93	-8.10	-6.14	-6.85	-7.26	-8.32	-8.45	-8.30	-8.73	-8.37	-8.20	-7.83	-8.36	-3.19	-8.83
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	2.49	-3.98	-1.34	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.16	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	33.51	39.41	19.61	23.38	21.26	9.51	29.15	29.50	34.24	40.24	41.12	42.66	49.50	47.01	47.26	49.34	47.93	50.40	50.22	50.05	46.12	47.35	34.73	25.00
	-2.61	-2.80	-1.37	-1.55	-3.65	-0.62	-1.62	-1.44	-1.70	-2.05	-2.20	-2.48	-3.37	-5.07	-2.04	-1.82	-1.96	-2.05	-2.02	-1.95	-1.93	-2.11	-2.23	-4.51
	0.00	0.00	0.00	0.00	0.46	0.00	0.00	0.00	0.00	0.00	0.00	2.49	-3.98	-1.34	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.16	13.89
	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	32.53	38.61	19.25	22.93	25.30	9.30	28.10	28.55	33.10	38.43	39.45	40.58	41.61	47.16	46.07	48.02	46.74	49.06	49.24	49.12	45.03	46.01	49.29	46.57
	-3.59	-3.60	-1.73	-2.00	-2.19	-0.83	-2.67	-2.39	-2.84	-3.87	-3.86	-3.92	-3.27	-3.62	-3.24	-3.14	-3.15	-3.40	-2.99	-2.88	-3.02	-3.46	-3.61	-3.87
	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