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: 08/11/2003

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	50.09	52.50	43.87	30.72	43.54	47.09	47.23	47.81	50.07	56.08	67.95	92.04	90.89	83.31	29.33	23.98	29.71	38.61	51.46	38.91	34.69	42.39	28.04	27.66
	3.62	3.60	2.89	1.92	2.78	3.32	3.39	2.50	2.33	2.76	3.21	4.21	3.92	3.81	1.07	0.73	0.94	1.23	1.60	1.18	1.05	1.48	0.98	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	-0.33	-6.32	-5.32	-4.32	-2.75	-0.93	-1.09	-1.38	-0.64	-0.08	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	44.96	47.27	39.59	27.87	39.42	42.34	42.49	44.07	46.65	52.25	63.44	86.14	85.42	77.76	22.03	18.13	24.54	34.28	48.24	36.09	31.90	39.70	26.68	25.98
	-1.51	-1.63	-1.39	-0.93	-1.33	-1.43	-1.35	-1.24	-1.09	-1.07	-1.30	-1.69	-1.55	-1.43	-0.28	-0.12	-0.17	-0.51	-0.74	-0.61	-0.44	-0.60	-0.30	-0.34
	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	-0.02	-0.38	-0.32	-0.26	-0.17	-0.06	-0.07	-0.08	-0.04	-0.01	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	50.07	52.48	44.20	31.01	43.73	46.95	47.16	49.63	52.58	58.57	71.34	97.08	96.15	95.24	174.50	146.12	129.49	102.92	75.24	65.78	67.89	62.32	81.90	93.98
	3.61	3.58	3.22	2.21	2.98	3.18	3.32	4.32	4.84	5.25	6.61	9.25	9.17	8.30	2.24	1.69	2.21	2.94	4.21	3.21	2.76	3.70	2.16	1.79
	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	-7.77	-150.33	-126.51	-102.84	-65.35	-22.11	-25.93	-32.87	-18.35	-52.77	-65.87
	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	45.82	48.08	40.02	28.12	39.88	42.95	43.16	44.26	46.60	52.41	63.58	86.00	85.12	77.62	21.65	17.72	24.21	34.39	48.60	36.12	31.82	40.04	26.89	26.31
	-0.64	-0.81	-0.96	-0.69	-0.88	-0.82	-0.68	-1.05	-1.14	-0.91	-1.16	-1.83	-1.86	-1.55	-0.28	-0.20	-0.24	-0.24	-0.33	-0.52	-0.44	-0.23	-0.08	-0.01
	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	46.01	48.47	40.51	28.44	40.32	43.28	43.38	44.69	46.84	52.32	63.38	55.50	58.49	59.00	21.50	17.57	23.95	33.93	47.95	35.91	31.62	39.46	35.00	25.80
	-0.45	-0.43	-0.47	-0.36	-0.43	-0.49	-0.46	-0.62	-0.90	-1.01	-1.36	-2.14	-2.12	-1.79	-0.44	-0.36	-0.49	-0.69	-0.98	-0.73	-0.65	-0.81	-0.79	-0.53
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	9.35	14.99	0.78	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	13.60	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	48.70	51.15	43.02	30.23	42.64	45.76	45.91	48.10	50.96	56.73	69.22	94.34	93.50	91.10	143.79	120.12	107.83	88.62	69.52	59.65	60.56	54.93	28.05	24.39
	2.24	2.26	2.04	1.43	1.89	1.99	2.07	2.79	3.21	3.41	4.48	6.52	6.53	5.72	1.50	1.19	1.63	2.04	3.02	2.39	2.16	2.55	1.50	1.20
	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	-6.22	-120.36	-101.00	-81.76	-51.96	-17.57	-20.62	-26.13	-12.12	0.42	3.14
	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	50.92	53.46	50.35	58.97	52.29	52.08	52.71	53.78	55.25	59.39	72.51	97.12	95.52	94.65	174.40	145.99	129.42	102.68	74.90	66.05	68.00	62.70	77.19	89.44
	4.43	4.56	4.09	2.87	3.81	4.01	3.91	5.05	5.59	5.68	6.89	9.30	8.54	7.72	2.14	1.56	2.14	2.70	3.75	2.96	2.81	3.59	2.12	1.95
	-0.02	0.00	-5.28	-27.30	-7.71	-4.29	-4.96	-3.42	-1.92	-0.39	-0.88	0.00	0.00	-7.77	-150.33	-126.51	-102.84	-65.35	-22.23	-26.45	-32.93	-18.85	-48.10	-61.16
	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	47.26	49.67	41.65	29.26	41.39	44.53	44.60	45.79	48.14	53.87	65.33	88.59	87.81	80.03	22.90	18.73	25.19	35.27	49.49	37.09	32.75	40.83	27.29	26.63
	0.80	0.78	0.66	0.46	0.64	0.76	0.76	0.48	0.39	0.55	0.59	0.76	0.84	0.82	0.22	0.18	0.24	0.32	0.46	0.32	0.32	0.49	0.31	0.31
	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	-0.04	-0.74	-0.62	-0.51	-0.32	-0.11	-0.13	-0.16	-0.08	-0.01	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	49.20	51.58	43.44	30.50	43.01	46.16	46.36	48.75	51.64	57.53	70.09	95.42	94.54	93.59	170.69	142.95	126.83	101.05	74.04	64.70	66.79	61.14	34.45	19.82
	2.74	2.68	2.46	1.69	2.26	2.39	2.52	3.43	3.90	4.20	5.35	7.59	7.56	6.82	1.82	1.37	1.87	2.55	3.51	2.71	2.39	2.86	1.72	1.30
	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	-7.59	-146.94	-123.65	-100.52	-63.88	-21.60	-25.35	-32.13	-18.01	-5.76	7.81
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

N.Y.C. 61761	69.38	65.49	68.12	50.55	49.92	53.64	53.95	64.42	71.35	72.33	93.14	112.56	114.15	110.66	176.11	146.72	130.41	107.52	78.64	101.17	109.72	119.75	121.93	122.55
	4.83	4.84	4.39	2.99	4.07	4.38	4.58	5.72	6.26	6.79	8.33	11.44	11.29	10.27	2.73	2.06	2.71	3.68	5.06	4.02	3.45	4.38	2.66	2.09
	-18.08	-11.75	-22.75	-18.76	-5.10	-5.49	-5.52	-13.39	-17.35	-12.22	-20.07	-13.30	-15.89	-21.22	-151.44	-126.73	-103.25	-69.22	-24.66	-60.50	-74.01	-75.11	-92.30	-94.13
	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	46.30	48.73	40.72	28.58	40.53	43.53	43.61	44.73	46.67	52.18	63.18	85.51	84.63	77.11	21.42	17.50	23.87	33.85	47.84	35.77	31.49	39.48	26.40	25.92
	-0.17	-0.16	-0.26	-0.22	-0.23	-0.24	-0.23	-0.59	-1.08	-1.15	-1.55	-2.31	-2.35	-2.06	-0.51	-0.42	-0.58	-0.78	-1.09	-0.87	-0.77	-0.78	-0.57	-0.40
	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	48.52	50.90	42.64	29.89	42.29	45.61	45.71	15.00	49.50	55.69	59.01	91.92	35.10	46.00	55.00	66.99	64.61	60.64	58.70	47.57	45.70	47.48	38.41	26.60
	2.06	2.01	1.66	1.09	1.53	1.83	1.87	2.45	1.76	2.37	3.07	4.09	4.31	3.82	3.51	0.68	0.83	1.01	1.32	1.01	0.87	1.39	2.62	1.10
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	31.13	0.00	0.00	0.87	0.00	44.81	19.39	8.07	-48.39	-39.33	-25.00	-8.46	-9.92	-12.57	-5.83	13.60	0.83
	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	38.25	40.42	29.00	30.00	33.87	36.08	35.91	37.66	39.56	44.20	53.90	73.22	72.68	66.22	20.54	16.98	22.33	30.49	42.43	31.66	28.16	34.56	31.25	22.36
	-8.22	-8.48	-5.06	-5.60	-6.88	-7.69	-7.93	-7.65	-8.18	-9.12	-10.84	-14.61	-14.29	-13.06	-3.55	-2.76	-3.59	-5.07	-6.82	-5.35	-4.57	-5.92	-4.54	-3.99
	0.00	0.00	8.44	5.26	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.11	-2.16	-1.82	-1.48	-0.94	-0.32	-0.37	-0.47	-0.22	13.60	-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

PJM 61847	43.73	46.17	14.99	15.00	15.00	15.00	41.29	43.38	45.90	51.26	62.52	85.07	84.32	76.77	24.29	19.98	25.93	35.15	48.59	36.38	32.44	39.71	32.78	25.27
	-2.74	-2.73	-2.47	-2.98	-2.39	-2.66	-2.55	-1.94	-1.85	-2.06	-2.22	-2.76	-2.65	-2.55	-0.62	-0.46	-0.56	-0.78	-0.78	-0.77	-0.47	-0.85	-3.01	-1.08
	0.00	0.00	25.04	22.88	23.76	22.02	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.15	-2.98	-2.51	-2.04	-1.30	-0.44	-0.51	-0.65	-0.30	13.60	-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

WEST 61752	42.83	45.30	37.97	26.86	37.99	40.44	40.24	42.22	44.45	49.72	60.65	82.47	81.96	74.52	20.72	17.11	23.45	33.35	47.63	35.30	31.25	38.77	25.98	25.19
	-3.63	-3.59	-3.01	-1.95	-2.76	-3.33	-3.60	-3.10	-3.29	-3.60	-4.09	-5.36	-5.02	-4.65	-1.22	-0.81	-0.99	-1.28	-1.30	-1.34	-1.01	-1.50	-0.99	-1.14
	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