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: 10/01/2003

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	24.56	27.96	18.86	16.89	36.54	27.33	35.11	37.63	39.35	23.59	25.76	35.08	49.92	36.29	32.73	28.27	31.45	46.98	50.81	68.51	56.48	35.94	32.26	27.44
	1.65	1.73	1.05	0.89	1.91	1.40	2.06	2.17	2.46	1.42	1.54	2.28	3.04	2.16	1.98	1.78	2.07	3.23	3.55	4.71	4.00	2.48	2.39	1.82
	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	0.01	0.06	0.01	0.11	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	22.37	25.51	17.38	15.70	33.82	25.36	32.33	34.65	36.11	21.72	23.74	32.09	45.82	33.38	30.05	25.84	28.62	42.58	46.07	62.36	51.31	32.61	29.11	25.04
	-0.54	-0.71	-0.43	-0.30	-0.81	-0.57	-0.72	-0.82	-0.79	-0.44	-0.49	-0.71	-1.06	-0.75	-0.70	-0.64	-0.76	-1.17	-1.20	-1.44	-1.20	-0.84	-0.76	-0.57
	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	0.01	0.05	0.01	0.08	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	23.57	26.84	18.17	16.32	35.34	26.68	34.53	37.47	39.03	23.42	25.69	34.87	49.95	36.35	32.72	28.14	31.17	46.47	50.03	67.03	54.81	34.92	30.94	26.45
	0.66	0.61	0.37	0.31	0.71	0.75	1.48	2.01	2.13	1.25	1.46	2.07	3.06	2.23	1.97	1.65	1.79	2.73	2.79	3.23	2.34	1.47	1.08	0.83
	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	0.01	0.07	0.01	0.13	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	23.82	27.31	18.56	16.70	36.02	26.90	34.12	36.26	37.84	22.79	24.85	33.55	47.77	34.78	31.41	27.09	30.11	44.62	48.76	65.51	54.76	34.40	30.87	26.51
	0.92	1.08	0.75	0.69	1.39	0.97	1.07	0.79	0.94	0.62	0.62	0.75	0.88	0.62	0.65	0.61	0.73	0.79	1.05	1.61	1.41	0.95	1.00	0.89
	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	-0.03	0.00	0.00	0.00	-0.07	-0.40	-0.08	-0.75	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	23.01	26.38	17.90	16.07	34.82	19.63	32.96	35.35	36.75	22.09	24.13	32.67	46.68	33.99	30.63	26.40	29.31	43.57	47.11	63.70	52.51	33.41	41.52	25.60
	0.10	0.16	0.09	0.07	0.19	0.15	-0.08	-0.11	-0.15	-0.07	-0.09	-0.14	-0.20	-0.14	-0.12	-0.08	-0.07	-0.19	-0.21	-0.11	-0.09	-0.04	0.33	-0.02
	0.00	0.00	0.00	0.00	0.00	-3.18	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	-5.00	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	23.34	26.60	18.02	16.18	35.05	26.42	34.10	36.95	38.47	23.09	25.32	34.37	49.27	35.87	32.28	27.73	30.72	45.82	49.38	66.40	54.42	34.62	30.65	26.19
	0.43	0.37	0.21	0.18	0.42	0.49	1.05	1.49	1.57	0.92	1.10	1.57	2.38	1.75	1.52	1.25	1.34	2.07	2.14	2.60	1.96	1.17	0.78	0.57
	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	0.01	0.07	0.01	0.13	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	24.04	27.33	18.42	16.52	35.79	28.12	37.03	41.85	41.52	35.09	41.33	42.21	50.53	37.79	33.58	34.10	43.48	46.99	51.42	67.36	55.32	44.19	42.82	40.92
	1.14	1.11	0.61	0.52	1.16	1.18	2.21	2.66	2.76	1.59	1.88	2.58	3.64	2.50	2.32	2.06	2.25	3.18	3.24	3.56	2.58	1.92	1.64	1.40
	0.00	0.00	0.00	0.00	0.00	-1.01	-1.78	-3.72	-1.87	-11.34	-15.22	-6.83	0.00	-1.17	-0.50	-5.56	-11.86	-0.04	-0.86	0.01	-0.14	-8.81	-11.31	-13.91
	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	23.32	26.68	18.10	16.27	35.20	26.37	33.65	36.02	37.46	22.50	24.59	33.35	47.63	34.73	31.31	26.99	29.96	44.67	48.22	65.05	53.49	34.01	30.53	26.15
	0.41	0.46	0.29	0.27	0.57	0.44	0.61	0.55	0.56	0.34	0.36	0.55	0.75	0.60	0.56	0.51	0.58	0.92	0.93	1.24	0.94	0.56	0.66	0.53
	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	0.01	0.03	0.01	0.05	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	23.23	26.46	17.93	16.10	34.87	26.31	34.01	36.87	38.38	23.03	25.26	34.28	49.14	35.78	32.19	27.67	30.64	45.70	49.20	66.01	54.01	34.41	30.50	26.07
	0.32	0.23	0.12	0.09	0.24	0.38	0.96	1.41	1.48	0.86	1.03	1.48	2.26	1.65	1.44	1.19	1.26	1.95	1.96	2.21	1.54	0.96	0.63	0.45
	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	0.01	0.07	0.01	0.13	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	30.27	27.21	19.79	16.72	36.48	34.47	45.26	47.25	50.43	52.11	54.75	54.30	52.42	51.03	48.82	50.67	50.24	52.75	54.19	67.98	59.11	41.71	44.02	40.02
	1.01	0.99	0.62	0.54	1.20	1.15	2.10	2.76	2.95	1.73	1.96	2.76	4.02	2.92	2.61	2.21	2.42	3.66	3.73	4.18	3.05	2.02	1.58	1.22
	-6.35	0.00	-1.36	-0.18	-0.65	-7.39	-10.12	-9.03	-10.58	-28.21	-28.56	-18.75	-1.51	-13.98	-15.46	-21.97	-18.44	-5.33	-3.14	0.01	-3.46	-6.24	-12.58	-13.17
	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	23.21	26.61	18.04	16.20	35.10	26.20	33.18	35.56	36.97	22.23	24.28	32.89	46.99	34.22	30.85	26.60	29.53	43.91	47.46	64.17	52.87	33.62	30.18	25.81
	0.30	0.38	0.23	0.20	0.47	0.28	0.14	0.09	0.07	0.06	0.05	0.09	0.10	0.09	0.10	0.11	0.15	0.15	0.14	0.35	0.27	0.17	0.31	0.19
	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	23.70	26.98	18.23	16.33	35.33	20.02	34.02	36.58	38.24	22.93	25.07	47.01	48.65	35.36	31.90	27.51	30.55	45.62	49.25	66.19	54.52	34.72	31.02	26.48
	0.80	0.75	0.42	0.33	0.70	0.54	0.98	1.12	1.34	0.77	0.84	2.12	1.77	1.24	1.14	1.02	1.17	1.87	2.00	2.39	2.04	1.27	1.15	0.86
	0.00	0.00	0.00	0.00	0.00	-3.18	0.00	0.00	0.00	0.00	0.00	-0.80	0.00	0.00	0.00	0.00	0.00	0.01	0.06	0.01	0.11	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

O H 61846	21.40	24.79	17.02	15.40	33.30	17.59	31.00	32.79	33.99	20.54	22.38	29.94	42.73	30.79	28.17	24.27	26.89	38.55	37.58	56.77	37.84	30.45	27.17	23.85
	-1.50	-1.44	-0.79	-0.60	-1.33	-1.89	-2.04	-2.67	-2.91	-1.63	-1.85	-2.86	-4.15	-3.02	-2.58	-2.21	-2.49	-4.28	-4.53	-6.03	-4.92	-3.00	-2.70	-1.77
	0.00	0.00	0.00	0.00	0.00	-3.18	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.32	0.00	0.00	0.00	0.92	5.21	1.02	9.83	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

PJM 61847	9.99	12.01	16.79	15.17	32.76	17.17	30.91	33.08	34.10	20.55	22.45	30.24	43.37	31.43	28.52	24.55	27.27	39.89	39.93	58.32	41.34	30.83	27.45	23.80
	-3.38	-2.94	-1.02	-0.83	-1.87	-2.31	-2.14	-2.38	-2.80	-1.62	-1.77	-2.56	-3.52	-2.47	-2.23	-1.93	-2.11	-3.20	-3.59	-4.75	-4.10	-2.62	-2.42	-1.82
	13.86	7.34	0.00	0.00	0.00	-3.18	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.23	0.00	0.00	0.00	0.67	3.79	0.74	7.15	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

WEST 61752	21.41	24.82	17.04	15.41	33.36	25.03	31.06	32.84	34.09	20.61	22.41	29.96	42.77	30.83	28.20	24.27	26.88	38.61	37.50	56.92	37.65	30.53	27.22	23.89
	-1.50	-1.41	-0.77	-0.59	-1.27	-0.89	-1.99	-2.62	-2.81	-1.56	-1.82	-2.84	-4.11	-2.97	-2.56	-2.21	-2.50	-4.20	-4.43	-5.84	-4.79	-2.93	-2.65	-1.73
	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	0.00	0.00	0.00	0.95	5.38	1.05	10.15	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