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: 08/14/2003

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	50.46	50.22	37.67	37.12	37.53	43.34	43.73	45.77	47.66	51.65	56.99	73.87	76.55	101.73	62.12	74.18	75.03	73.79	63.07	59.46	60.45	54.73	56.00	47.54
	3.18	3.04	2.14	2.14	2.37	2.68	2.47	2.08	1.81	1.84	1.71	2.13	2.00	2.96	1.78	2.03	4.37	4.28	3.38	3.11	3.13	2.74	2.61	1.98
	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	0.15	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	46.13	45.93	34.54	34.03	34.14	39.48	40.22	42.64	44.82	48.82	54.31	70.63	73.64	97.65	59.72	71.36	69.64	68.18	58.82	55.48	56.49	51.69	52.62	44.22
	-1.16	-1.24	-0.99	-0.96	-1.03	-1.17	-1.04	-1.05	-1.03	-0.98	-0.98	-1.10	-0.91	-1.12	-0.62	-0.79	-1.02	-1.33	-1.21	-0.87	-0.83	-0.30	-0.77	-1.34
	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	-0.19	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	50.66	50.46	37.98	37.16	37.37	43.37	44.32	47.56	50.30	54.55	61.10	79.45	82.31	108.45	66.20	79.35	78.81	77.99	69.61	60.34	62.56	55.27	57.61	46.63
	3.37	3.28	2.44	2.17	2.21	2.72	3.06	3.87	4.45	4.75	5.81	7.71	7.76	9.69	5.86	7.20	8.62	8.48	7.18	6.54	6.53	5.93	5.55	4.10
	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	0.47	0.00	-2.59	2.55	1.29	2.65	1.33	3.03
	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	47.37	47.08	35.37	34.97	35.05	40.55	41.20	43.21	45.29	49.59	54.81	70.99	73.99	98.53	60.44	72.00	70.03	67.96	58.64	55.36	56.32	52.04	52.49	43.68
	0.09	-0.10	-0.17	-0.02	-0.11	-0.10	-0.06	-0.48	-0.56	-0.21	-0.48	-0.75	-0.56	-0.24	0.10	-0.15	-0.63	-1.55	-1.38	-0.99	-1.00	0.05	-0.90	-1.88
	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	-0.18	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	46.74	46.66	35.18	34.68	34.80	40.20	40.81	43.11	48.19	50.00	50.10	70.32	50.00	96.72	59.15	70.60	68.54	62.16	58.16	54.72	55.72	52.16	46.46	44.88
	-0.54	-0.52	-0.36	-0.31	-0.36	-0.45	-0.45	-0.58	-1.19	-1.09	-1.50	-1.42	-1.92	-2.05	-1.20	-1.54	-2.12	-1.95	-1.68	-1.63	-1.60	-1.72	-1.50	-0.68
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.23	-1.44	3.91	0.00	12.01	0.00	0.00	0.00	0.00	5.40	0.00	0.00	0.00	-1.89	5.43	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	49.17	48.96	36.87	36.14	36.31	42.10	42.94	45.94	48.57	52.68	58.95	76.87	79.90	105.64	64.53	77.35	78.71	77.28	68.53	61.39	62.60	56.34	57.73	48.11
	1.88	1.79	1.34	1.15	1.15	1.45	1.68	2.25	2.71	2.88	3.67	5.13	5.35	6.87	4.18	5.20	8.05	7.77	6.38	5.72	5.63	5.07	4.70	3.37
	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	-2.31	0.68	0.35	0.72	0.36	0.82
	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	70.23	67.66	60.14	62.69	52.20	52.42	54.81	54.28	76.91	66.05	64.31	90.59	100.43	111.12	94.46	95.41	111.06	105.34	102.40	90.60	90.68	90.59	102.81	104.30
	4.03	4.19	3.16	2.91	3.00	3.59	3.78	4.66	5.13	5.20	5.85	7.90	7.85	9.35	5.56	6.52	8.59	8.40	6.96	6.85	6.94	6.38	5.78	4.07
	-18.92	-16.29	-21.45	-24.79	-14.03	-8.18	-9.76	-5.94	-25.92	-11.04	-3.17	-10.96	-18.03	-3.01	-28.56	-16.74	-31.81	-27.43	-35.60	-27.40	-26.42	-32.22	-43.64	-54.67
	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	47.98	47.83	35.99	35.46	35.67	41.16	41.82	44.02	46.07	50.21	55.57	71.99	74.90	99.20	60.56	72.42	71.39	70.15	60.52	56.92	58.12	52.84	53.92	45.76
	0.70	0.66	0.46	0.47	0.51	0.51	0.55	0.33	0.22	0.40	0.29	0.25	0.35	0.44	0.21	0.28	0.73	0.64	0.63	0.57	0.80	0.85	0.53	0.20
	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	-0.05	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	49.78	49.59	37.33	36.55	36.74	42.62	43.54	46.70	49.38	53.54	59.95	78.02	80.91	106.68	65.13	78.08	77.71	76.87	68.61	59.91	61.86	54.92	57.01	46.53
	2.50	2.41	1.80	1.56	1.58	1.97	2.28	3.01	3.53	3.73	4.67	6.29	6.36	7.91	4.78	5.93	7.44	7.36	6.22	5.60	5.58	5.06	4.69	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	0.00	0.39	0.00	-2.55	2.04	1.04	2.13	1.07	2.44
	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	61.61	55.62	52.29	51.11	51.22	55.22	52.69	58.76	73.01	75.50	65.05	81.13	83.71	109.87	66.95	80.35	121.45	112.83	108.40	114.16	105.29	102.70	91.66	80.20
	4.48	4.43	3.34	3.01	3.08	3.75	4.19	5.09	5.69	6.08	7.29	9.37	9.16	11.10	6.61	8.20	9.37	9.24	7.84	7.18	7.19	6.54	6.17	4.62
	-9.84	-4.01	-13.42	-13.11	-12.98	-10.82	-7.23	-9.99	-21.47	-19.61	-2.47	-0.03	0.00	0.00	0.00	0.00	-41.42	-34.08	-40.72	-50.63	-40.78	-44.17	-32.10	-30.02
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

NORTH 61755	47.04	46.92	35.35	34.84	34.98	40.37	40.98	43.16	45.19	49.19	54.30	70.36	73.08	96.81	59.21	70.65	67.81	66.99	57.53	54.12	55.13	49.68	51.35	44.56
	-0.25	-0.26	-0.18	-0.15	-0.19	-0.28	-0.28	-0.53	-0.66	-0.61	-0.99	-1.37	-1.47	-1.96	-1.13	-1.50	-2.85	-2.52	-2.31	-2.23	-2.19	-2.31	-2.04	-1.00
	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	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	48.84	48.70	36.58	35.96	36.33	42.00	42.46	15.00	20.00	38.04	40.07	41.04	44.08	40.00	40.03	43.27	75.75	74.58	64.61	60.13	61.05	61.64	51.11	48.07
	1.55	1.52	1.05	0.98	1.17	1.35	1.20	2.32	2.68	2.63	3.11	3.43	3.52	3.57	3.74	3.36	5.09	5.07	4.19	3.78	3.73	3.33	3.15	2.51
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	34.58	32.29	14.24	18.55	24.71	23.37	29.67	31.71	21.25	0.00	0.00	-0.58	0.00	0.00	-6.32	5.43	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	39.76	39.77	30.09	29.72	29.64	35.00	36.99	36.91	46.01	48.16	55.60	61.54	64.36	85.37	52.37	62.53	64.16	61.73	53.83	51.17	51.93	55.03	43.74	40.41
	-7.52	-7.41	-5.44	-5.27	-5.52	-3.59	-5.46	-6.78	-3.37	-2.93	-2.05	-10.20	-10.19	-13.40	-7.98	-9.61	-6.50	-7.78	-6.22	-5.18	-5.39	-3.28	-4.22	-5.15
	0.00	0.00	0.00	0.00	0.00	2.25	2.64	0.00	0.23	-1.44	-2.14	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.21	0.00	0.00	-6.32	5.43	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	44.77	44.76	33.85	20.01	30.01	38.62	39.35	42.07	49.73	51.88	61.00	70.68	73.82	97.46	59.54	71.35	68.82	66.94	57.55	55.00	55.77	58.00	0.00	39.61
	-2.52	-2.42	-1.68	-2.52	-2.82	-2.03	-1.91	-1.62	0.35	0.79	3.16	-1.06	-0.73	-1.31	-0.80	-0.80	-1.84	-2.57	-2.63	-1.35	-1.55	-0.31	0.00	-5.38
	0.00	0.00	0.00	10.66	1.58	0.00	0.00	0.00	0.23	-1.44	-2.33	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.34	0.00	0.00	-6.32	0.00	0.57
	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	44.68	44.74	33.89	33.53	33.43	38.66	39.18	41.54	44.05	48.20	53.57	69.41	72.69	96.55	59.29	70.84	65.45	63.04	54.83	52.19	52.95	49.67	49.68	40.77
	-2.60	-2.44	-1.64	-1.46	-1.74	-1.99	-2.08	-2.15	-1.80	-1.60	-1.71	-2.33	-1.86	-2.22	-1.05	-1.31	-5.21	-6.47	-5.24	-4.16	-4.37	-2.32	-3.71	-4.79
	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	-0.23	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