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: 08/22/2003

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	51.84	52.63	49.43	45.38	50.25	47.30	48.81	44.85	48.44	53.23	57.62	82.04	187.46	117.37	39.16	58.11	52.02	47.32	46.96	44.31	52.46	38.06	35.98	39.29
	1.75	2.17	1.92	1.89	2.31	1.92	1.88	1.64	1.75	1.75	1.87	2.46	1.25	1.60	1.08	1.74	1.35	1.39	1.27	1.25	1.12	0.99	1.13	1.25
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-4.35	0.00	-141.39	-61.17	-1.68	-2.13	-10.43	0.00	0.00	-0.83	-14.32	-1.13	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	49.12	49.42	46.43	42.50	46.77	44.38	45.90	42.20	45.76	50.53	50.97	78.34	57.67	59.82	36.65	53.80	40.71	45.24	44.99	41.53	37.68	35.42	34.28	37.59
	-0.96	-1.05	-1.07	-0.99	-1.17	-1.00	-1.04	-1.01	-0.93	-0.95	-0.84	-1.24	-0.64	-0.67	-0.41	-0.53	-0.54	-0.69	-0.70	-0.77	-0.70	-0.63	-0.56	-0.45
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.41	0.00	-13.49	-5.89	-0.66	-0.10	-1.01	0.00	0.00	-0.08	-1.36	-0.11	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	54.34	54.51	51.58	47.18	51.88	49.38	51.29	47.71	51.86	57.70	68.24	115.03	159.29	108.23	182.72	121.39	68.60	50.69	50.69	47.54	52.20	40.58	38.08	41.20
	4.26	4.05	4.07	3.69	3.94	4.00	4.35	4.50	5.18	6.23	6.23	9.99	5.65	6.53	4.32	6.16	4.52	4.76	4.76	4.67	4.16	3.77	3.23	3.16
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-10.60	-25.45	-108.83	-47.10	-141.99	-60.99	-23.82	0.00	-0.23	-0.64	-11.02	-0.87	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	49.98	50.23	47.06	43.11	47.51	45.12	46.63	42.73	45.95	50.24	50.68	77.96	57.66	59.70	36.51	53.75	40.70	45.35	44.96	41.32	37.56	35.34	34.47	37.75
	-0.11	-0.23	-0.45	-0.38	-0.43	-0.27	-0.30	-0.49	-0.73	-1.23	-1.16	-1.63	-1.00	-0.84	-0.50	-0.58	-0.53	-0.58	-0.73	-0.98	-0.86	-0.71	-0.37	-0.29
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.43	0.00	-13.84	-5.94	-0.60	-0.09	-0.97	0.00	0.00	-0.08	-1.41	-0.11	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	49.37	49.68	46.67	42.66	46.99	44.51	46.11	42.35	45.64	59.00	50.22	54.00	52.00	52.21	56.66	54.29	50.01	44.98	44.67	41.16	36.09	35.08	34.13	37.24
	-0.71	-0.78	-0.84	-0.83	-0.95	-0.87	-0.83	-0.86	-1.05	-1.59	-1.18	-2.06	-2.58	-2.52	-2.05	-1.89	-2.79	-0.95	-1.02	-1.06	-0.92	-0.85	-0.72	-0.80
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-9.26	0.00	4.52	21.41	21.53	7.26	4.94	37.26	0.00	0.00	0.00	0.01	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

HUD VL 61758	52.88	53.05	50.10	45.86	50.49	47.98	49.82	46.37	50.43	56.03	59.23	86.98	156.67	106.05	93.63	54.93	51.89	49.54	49.24	46.29	50.96	39.51	37.16	40.48
	2.79	2.59	2.60	2.37	2.55	2.59	2.88	3.16	3.75	4.56	4.52	7.39	4.24	4.92	3.28	4.55	3.48	3.61	3.54	3.44	3.04	2.71	2.32	2.44
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-3.31	0.00	-107.60	-46.53	-53.95	3.85	-8.16	0.00	0.00	-0.64	-10.91	-0.86	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	71.11	63.41	58.06	52.69	54.82	56.90	54.15	63.22	67.51	71.44	97.89	120.26	171.45	153.38	179.13	152.45	115.62	87.49	69.68	84.21	107.31	92.18	73.92	60.84
	4.88	4.86	5.18	4.69	5.07	5.06	5.31	5.34	5.78	6.85	6.72	10.18	5.82	6.62	4.15	5.76	4.31	4.61	4.74	4.51	3.99	3.79	3.19	3.36
	-16.15	-8.09	-5.37	-4.52	-1.81	-6.45	-1.91	-14.67	-15.05	-13.12	-39.77	-30.49	-120.81	-92.16	-138.58	-92.46	-71.06	-36.95	-19.24	-37.48	-66.31	-52.45	-35.89	-19.44
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

MHK VL 61756	50.61	51.09	48.12	44.11	48.62	46.01	47.60	43.73	47.18	51.84	51.93	80.15	48.78	56.51	36.90	54.57	40.78	46.22	45.93	42.46	37.62	36.15	35.17	38.30
	0.52	0.63	0.62	0.62	0.68	0.63	0.67	0.52	0.50	0.37	0.41	0.57	0.29	0.38	0.23	0.30	0.29	0.29	0.24	0.21	0.23	0.19	0.33	0.26
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.11	0.00	-3.66	-1.53	-0.27	-0.04	-0.24	0.00	0.00	-0.02	-0.38	-0.03	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	53.64	53.81	50.91	46.57	51.22	48.74	50.59	47.05	51.13	56.87	67.45	113.68	157.55	106.80	130.92	35.54	69.25	50.13	49.90	46.69	51.29	39.81	37.45	40.54
	3.55	3.35	3.41	3.08	3.28	3.35	3.66	3.83	4.44	5.39	5.48	8.64	4.92	5.59	3.58	4.93	3.71	4.20	3.98	3.83	3.35	3.01	2.61	2.50
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-10.57	-25.45	-107.81	-46.61	-90.94	23.62	-25.29	0.00	-0.23	-0.64	-10.93	-0.86	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	84.99	81.20	72.77	57.82	60.48	60.47	55.81	53.72	59.75	79.83	82.99	119.24	162.32	112.17	174.36	159.04	170.35	136.01	117.11	136.48	142.30	129.11	133.10	95.76
	5.45	5.24	5.32	4.84	5.18	5.21	5.64	5.64	6.39	7.63	7.61	12.03	6.68	7.45	4.93	6.96	5.13	5.38	5.37	5.31	4.71	4.32	3.86	3.80
	-29.46	-25.50	-19.95	-9.49	-7.36	-9.87	-3.23	-4.86	-6.67	-20.73	-23.98	-27.62	-110.81	-50.12	-133.03	-97.84	-124.98	-84.70	-66.04	-88.94	-100.58	-88.85	-94.39	-53.92
	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	49.52	49.86	46.83	42.82	47.17	44.67	46.26	42.39	45.67	50.17	49.77	77.13	41.65	52.24	35.22	52.72	39.06	44.82	44.50	40.96	35.74	34.86	34.11	37.20
	-0.56	-0.60	-0.68	-0.67	-0.77	-0.72	-0.68	-0.82	-1.01	-1.30	-1.57	-2.46	-1.41	-1.73	-1.12	-1.50	-1.05	-1.11	-1.19	-1.25	-1.09	-1.07	-0.74	-0.84
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.06	0.00	1.77	0.63	0.06	0.01	0.15	0.00	0.00	0.01	0.19	0.01	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	51.67	52.32	49.23	45.14	49.94	47.10	48.60	44.85	48.49	65.07	57.10	61.01	71.01	61.99	62.00	61.70	65.00	30.01	35.00	27.00	50.90	37.51	35.45	38.67
	1.58	1.86	1.72	1.65	2.00	1.71	1.67	1.64	1.81	3.08	1.68	3.76	4.64	4.65	4.22	3.91	5.31	1.95	2.54	2.96	0.68	0.53	0.60	0.64
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-10.66	-4.01	3.33	9.62	18.92	8.19	3.33	30.37	16.19	14.65	25.29	-13.20	-1.04	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

O H 61846	43.50	43.60	41.10	37.52	41.25	39.34	40.61	37.40	39.92	60.76	45.61	67.94	55.56	54.28	32.93	46.71	36.12	39.64	39.59	36.41	33.52	31.37	30.37	33.21
	-6.59	-6.86	-6.41	-5.97	-6.69	-6.04	-6.33	-5.81	-6.76	-1.23	-6.33	-11.64	-6.54	-7.79	-5.24	-7.49	-5.43	-6.29	-6.11	-5.91	-5.25	-4.71	-4.47	-4.83
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-10.66	-0.53	0.00	-17.28	-7.47	-1.76	0.03	-1.30	0.00	0.00	-0.10	-1.75	-0.14	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

PJM 61847	47.68	47.70	45.07	42.00	42.00	43.09	44.73	41.39	44.83	63.99	50.50	76.95	66.87	96.00	150.00	133.00	127.00	99.00	85.01	40.79	38.03	34.81	15.10	28.01
	-2.41	-2.76	-2.43	-4.43	-4.52	-2.30	-2.20	-1.82	-1.86	2.00	-1.63	-2.64	-1.45	4.27	1.12	1.77	3.51	1.68	1.32	-1.57	-1.37	-1.32	-2.51	-2.01
	0.00	0.00	0.00	0.24	2.11	0.00	0.00	0.00	0.00	-10.66	-0.72	0.00	-23.50	-15.47	-82.91	-70.11	-33.43	-53.07	-36.58	-0.14	-2.38	-0.19	22.30	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

WEST 61752	49.02	49.06	46.16	42.10	46.25	44.13	45.56	41.96	44.80	49.10	49.56	76.23	59.91	60.00	35.86	52.73	40.32	44.61	44.46	40.79	37.29	35.12	34.06	37.25
	-1.06	-1.40	-1.34	-1.39	-1.69	-1.25	-1.38	-1.25	-1.89	-2.38	-2.36	-3.35	-1.87	-1.99	-1.30	-1.62	-1.19	-1.32	-1.24	-1.53	-1.44	-0.95	-0.79	-0.79
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.52	0.00	-16.95	-7.39	-0.76	-0.11	-1.26	0.00	0.00	-0.10	-1.71	-0.14	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