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: 08/05/2003

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	52.57	56.12	49.28	47.35	49.38	52.10	52.47	52.93	57.38	56.99	69.94	75.25	92.96	62.46	55.15	49.09	62.62	60.70	65.06	60.07	57.85	58.51	53.05	44.23
	4.25	4.40	3.77	3.55	3.64	3.63	3.63	3.44	2.30	2.51	1.22	1.47	0.93	1.91	1.72	1.86	1.19	1.52	1.61	1.16	1.43	1.86	1.90	2.59
	-0.04	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-16.98	-9.84	-46.05	-40.96	-68.81	-15.64	-15.87	-0.59	-32.94	-22.76	-24.93	-26.13	-20.71	-11.78	-6.14	-1.89
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

CENTRL 61754	46.66	49.96	43.97	42.22	44.09	46.78	47.12	47.85	38.64	44.39	26.55	36.07	29.39	45.60	38.41	45.81	31.02	37.77	40.06	34.54	36.89	45.00	44.46	38.67
	-1.62	-1.77	-1.53	-1.58	-1.64	-1.69	-1.71	-1.64	-1.10	-1.18	-0.48	-0.65	-0.38	-0.81	-0.68	-0.88	-0.58	-0.80	-0.82	-0.72	-0.77	-0.99	-1.12	-1.26
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.63	-0.92	-4.35	-3.90	-6.55	-1.50	-1.52	-0.06	-3.12	-2.15	-2.35	-2.47	-1.96	-1.11	-0.58	-0.18
	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	51.83	55.36	48.72	47.11	49.14	52.27	53.17	54.74	58.56	64.91	61.06	71.66	82.14	62.32	65.45	79.23	85.89	70.97	62.46	61.64	64.78	58.21	54.13	44.93
	3.52	3.63	3.22	3.31	3.40	3.80	4.34	5.26	4.22	4.93	2.39	3.46	2.33	4.44	3.82	4.62	2.81	3.40	3.44	3.11	3.37	4.27	4.40	3.73
	-0.03	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-16.23	-15.34	-35.99	-35.39	-56.59	-12.96	-24.07	-27.97	-54.59	-31.15	-20.50	-25.75	-25.70	-9.07	-4.73	-1.46
	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	47.54	50.83	44.70	42.77	44.75	47.34	47.53	47.67	38.35	44.30	26.51	36.06	29.36	46.01	38.63	46.06	31.10	38.03	40.32	34.67	37.03	45.20	44.44	38.84
	-0.74	-0.89	-0.80	-1.03	-0.99	-1.13	-1.30	-1.82	-1.39	-1.25	-0.46	-0.59	-0.30	-0.37	-0.42	-0.64	-0.52	-0.58	-0.61	-0.63	-0.67	-0.79	-1.15	-1.09
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.63	-0.92	-4.30	-3.84	-6.44	-1.47	-1.49	-0.06	-3.13	-2.19	-2.40	-2.52	-2.00	-1.11	-0.59	-0.18
	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	47.86	51.20	44.98	43.30	45.25	47.99	48.43	48.70	46.69	50.00	22.01	31.86	50.00	40.00	30.00	50.00	27.73	35.56	37.62	31.98	34.84	43.89	35.22	39.04
	-0.42	-0.53	-0.53	-0.49	-0.49	-0.49	-0.40	-0.79	-1.46	-1.62	-0.55	-0.80	-1.83	-1.96	-1.56	-1.57	-0.63	-0.72	-0.76	-0.65	-0.75	-0.95	-0.72	-0.70
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	6.00	6.39	0.11	0.15	3.67	17.51	20.44	2.69	0.13	0.13	0.15	0.15	0.12	0.04	2.05	0.01
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

HUD VL 61758	50.42	53.85	47.40	45.78	47.74	50.72	51.46	52.81	53.77	55.37	59.45	66.44	77.42	59.94	52.33	50.36	55.63	56.23	60.08	54.96	53.91	56.79	52.56	43.55
	2.11	2.12	1.89	1.98	2.00	2.25	2.63	3.32	2.72	3.20	1.59	2.33	1.63	3.09	2.64	3.27	2.01	2.44	2.53	2.23	2.39	2.93	2.87	2.36
	-0.03	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-12.95	-7.53	-35.19	-31.29	-52.57	-11.94	-12.12	-0.45	-25.12	-17.37	-19.02	-19.94	-15.81	-8.98	-4.69	-1.44
	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	52.31	56.21	49.50	47.92	51.49	55.15	56.19	55.38	58.90	70.93	61.24	71.27	81.81	61.72	64.87	78.33	85.33	70.29	61.79	61.17	64.28	57.73	54.92	58.07
	3.99	4.49	3.99	4.13	4.32	4.72	5.08	5.88	4.55	5.21	2.19	2.98	1.93	3.75	3.22	3.72	2.22	2.69	2.73	2.60	2.85	3.78	4.39	4.23
	-0.04	0.00	0.00	0.00	-1.42	-1.96	-2.28	-0.02	-16.25	-21.09	-36.37	-35.48	-56.67	-13.06	-24.09	-27.97	-54.62	-31.18	-20.54	-25.79	-25.72	-9.08	-5.53	-14.09
	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	49.24	52.76	46.42	44.68	46.65	49.37	49.80	50.34	39.01	45.55	23.93	34.12	24.91	45.90	38.50	47.34	29.72	37.47	39.73	33.87	36.74	45.87	45.74	40.45
	0.97	1.04	0.91	0.88	0.91	0.90	0.97	0.85	0.57	0.71	0.35	0.51	0.36	0.68	0.63	0.69	0.39	0.49	0.59	0.44	0.53	0.69	0.58	0.66
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.33	-0.20	-0.91	-0.80	-1.34	-0.30	-0.31	-0.01	-0.85	-0.56	-0.61	-0.64	-0.51	-0.30	-0.15	-0.05
	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	51.15	54.64	48.10	46.50	48.49	51.57	52.43	53.94	57.81	64.13	60.35	70.83	81.25	61.55	64.78	78.60	85.25	70.29	61.73	60.97	64.11	57.46	53.37	44.25
	2.84	2.92	2.59	2.70	2.76	3.09	3.60	4.45	3.61	4.22	2.03	2.97	2.01	3.81	3.28	3.99	2.42	2.91	2.92	2.66	2.88	3.60	3.68	3.06
	-0.03	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-16.09	-15.27	-35.64	-35.05	-56.03	-12.83	-23.93	-27.97	-54.33	-30.96	-20.29	-25.53	-25.52	-8.98	-4.69	-1.44
	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	56.21	57.75	52.66	52.14	52.96	55.08	54.99	57.48	61.10	74.63	70.51	83.66	93.26	77.44	86.69	100.37	105.05	83.16	74.69	74.32	77.71	71.54	69.17	51.08
	4.64	4.82	4.29	4.41	4.55	5.07	5.73	6.81	5.40	6.17	2.91	4.22	2.80	5.35	4.62	5.51	3.31	4.04	4.11	3.77	4.14	5.34	5.59	4.84
	-3.30	-1.20	-2.86	-3.93	-2.68	-1.53	-0.43	-1.18	-17.59	-23.82	-44.93	-46.63	-67.25	-27.17	-44.50	-48.22	-73.25	-42.70	-32.05	-37.76	-37.85	-21.33	-18.58	-6.49
	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	51.56	45.28	43.59	45.54	48.27	48.72	48.92	37.13	43.45	21.79	31.68	22.12	43.71	36.52	45.54	27.44	35.42	37.46	31.81	34.70	43.69	43.73	39.20
	-0.06	-0.16	-0.22	-0.21	-0.20	-0.20	-0.11	-0.57	-0.90	-1.13	-0.59	-0.87	-0.64	-1.10	-0.94	-1.10	-0.70	-0.79	-0.84	-0.73	-0.83	-1.05	-1.21	-0.53
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.08	0.06	0.29	0.27	0.45	0.10	0.11	0.01	0.35	0.21	0.23	0.24	0.19	0.13	0.06	0.02
	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	51.59	55.10	48.43	46.60	48.60	51.38	51.84	51.66	52.00	55.19	65.81	71.49	57.70	53.00	53.00	48.93	60.01	58.83	63.01	58.07	56.19	57.55	52.50	43.86
	3.27	3.38	2.92	2.81	2.86	2.91	3.01	2.17	3.25	1.47	0.68	0.93	3.50	3.57	3.22	1.74	1.18	1.45	1.52	1.20	1.40	1.82	2.32	2.37
	-0.04	0.00	0.00	0.00	0.00	0.00	0.00	0.00	5.40	-9.08	-42.45	-37.74	1.30	10.04	2.22	-0.54	-30.34	-20.97	-22.96	-24.08	-19.08	-10.85	-12.19	-1.74
	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	38.96	41.98	37.10	35.52	41.99	37.39	25.00	39.90	33.12	38.18	24.70	32.81	28.31	40.04	33.67	39.68	28.18	33.88	36.13	31.44	33.16	39.73	33.01	32.65
	-9.32	-9.74	-8.41	-8.28	-6.64	-6.12	-7.71	-9.59	-7.08	-7.68	-3.69	-5.09	-3.45	-6.82	-5.86	-7.04	-4.38	-5.35	-5.48	-4.57	-5.11	-6.60	-4.67	-7.33
	0.00	0.00	0.00	0.00	0.17	7.04	18.00	0.00	-2.10	-1.22	-5.72	-5.09	-8.55	-1.94	-1.97	-0.07	-4.07	-2.81	-3.08	-3.23	-2.56	-1.46	0.31	-0.23
	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	45.07	5.00	30.00	10.01	9.99	9.99	20.00	46.97	39.35	44.81	29.94	39.03	34.63	46.50	39.34	45.72	33.48	39.56	42.11	36.80	38.65	45.95	36.08	10.00
	-3.21	-5.20	-5.48	-5.02	-4.54	-3.24	-2.59	-2.52	-1.63	-1.54	-0.72	-0.88	-0.50	-1.12	-0.98	-1.02	-0.61	-0.73	-0.65	-0.43	-0.58	-0.93	-2.77	-5.76
	-0.01	39.32	9.45	31.92	34.27	37.32	28.12	0.00	-2.87	-1.71	-7.98	-7.09	-11.92	-2.71	-2.75	-0.10	-5.60	-3.87	-4.24	-4.45	-3.52	-2.00	-0.86	32.63
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

WEST 61752	43.48	46.82	41.38	39.57	41.54	44.17	44.35	44.54	36.70	42.50	26.89	36.12	30.63	44.67	37.52	44.52	31.06	37.64	40.08	34.86	36.86	44.36	43.28	36.44
	-4.80	-4.90	-4.13	-4.23	-4.19	-4.30	-4.48	-4.95	-3.48	-3.34	-1.42	-1.72	-1.04	-2.17	-2.00	-2.19	-1.44	-1.57	-1.50	-1.13	-1.38	-1.94	-2.47	-3.54
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.07	-1.20	-5.64	-5.03	-8.46	-1.92	-1.95	-0.07	-4.01	-2.79	-3.05	-3.20	-2.54	-1.43	-0.75	-0.23
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N