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: 08/03/2003

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	62.85	56.18	52.41	51.55	54.42	55.75	53.05	53.45	55.59	53.56	58.28	100.58	68.66	108.07	131.95	67.57	65.03	60.39	58.80	62.75	120.74	120.19	431.53	203.65
	4.34	4.59	4.38	4.13	4.39	4.44	3.87	3.76	3.94	3.03	3.50	7.29	5.25	8.39	10.27	5.26	5.09	4.67	4.52	4.74	8.20	7.46	29.43	14.30
	-1.28	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-3.06	0.00	0.00	-0.07	-0.45	0.00	0.00	0.00	0.00	0.00	-0.84	-0.76	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	55.88	50.07	46.48	45.87	48.32	49.55	47.54	48.01	50.03	48.95	50.43	90.66	61.84	97.33	118.20	60.72	58.43	54.34	52.87	56.44	108.70	109.12	391.18	184.07
	-1.48	-1.52	-1.56	-1.55	-1.72	-1.76	-1.64	-1.67	-1.62	-1.57	-1.58	-2.63	-1.57	-2.28	-3.08	-1.59	-1.51	-1.38	-1.41	-1.57	-3.07	-2.91	-10.91	-5.28
	-0.12	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.29	0.00	0.00	-0.01	-0.04	0.00	0.00	0.00	0.00	0.00	-0.07	-0.07	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	62.34	54.96	51.16	50.68	53.66	55.01	52.80	53.74	55.99	55.84	59.79	102.84	68.84	124.42	145.14	66.60	64.29	59.57	58.16	62.53	151.01	147.19	426.55	199.19
	4.11	3.37	3.12	3.26	3.62	3.70	3.62	4.05	4.34	5.31	5.71	9.55	5.43	8.14	8.67	4.30	4.35	3.86	3.89	4.52	9.26	9.49	24.45	9.83
	-0.99	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.36	0.00	0.00	-16.68	-15.24	0.00	0.00	0.00	0.00	0.00	-30.05	-25.73	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	56.44	51.21	47.55	46.75	48.99	50.05	47.91	47.96	49.97	48.13	49.61	89.95	62.20	98.17	119.76	61.58	59.22	55.04	53.63	57.36	109.18	109.54	396.70	186.35
	-0.92	-0.38	-0.49	-0.67	-1.05	-1.26	-1.26	-1.72	-1.68	-2.40	-2.41	-3.34	-1.21	-1.43	-1.48	-0.72	-0.72	-0.67	-0.65	-0.65	-2.52	-2.43	-5.39	-3.00
	-0.12	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.29	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	50.10	50.87	47.43	46.77	49.38	40.69	48.65	49.08	47.95	49.10	50.64	91.40	59.00	56.31	119.96	61.67	59.34	55.15	53.73	57.42	55.73	47.14	34.84	-2.17
	-0.89	-0.71	-0.60	-0.66	-0.65	-0.28	-0.53	-0.60	-0.51	-0.98	-1.06	-1.89	-1.53	-1.41	-1.27	-0.63	-0.60	-0.56	-0.55	-0.59	-1.43	-2.02	-2.12	-0.21
	4.76	0.00	0.00	0.00	0.00	5.07	0.00	0.00	2.34	1.72	0.02	0.00	29.35	1.16	0.00	0.00	0.00	0.00	0.00	0.00	2.53	35.10	126.32	108.92
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

HUD VL 61758	60.66	53.38	49.70	49.21	52.08	53.47	51.30	52.21	54.34	53.98	57.80	99.55	66.93	107.15	139.79	65.52	63.04	58.51	57.04	60.82	140.46	139.09	419.91	196.55
	2.45	1.79	1.67	1.79	2.05	2.16	2.13	2.52	2.69	3.45	3.75	6.26	3.51	5.54	6.44	3.22	3.10	2.79	2.77	2.81	6.30	6.66	17.82	7.20
	-0.98	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.33	0.00	0.00	-2.01	-12.11	0.00	0.00	0.00	0.00	0.00	-22.46	-20.46	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	63.36	56.10	52.20	51.62	54.65	55.46	53.07	53.90	55.81	55.65	59.79	103.02	69.93	124.25	144.92	66.31	64.03	59.60	60.07	61.59	149.85	143.84	415.92	195.99
	5.07	4.51	4.17	4.20	4.55	4.15	3.89	4.21	4.17	5.12	5.71	9.73	5.57	7.96	8.44	4.01	4.09	3.75	3.63	3.36	8.09	6.14	13.83	6.64
	-1.06	0.00	0.00	0.00	-0.07	0.00	0.00	0.00	0.00	0.00	-2.36	0.00	-0.95	-16.68	-15.24	0.00	0.00	-0.13	-2.17	-0.22	-30.05	-25.73	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

MHK VL 61756	57.95	52.41	48.83	48.22	50.91	52.22	50.01	50.52	52.56	51.11	52.52	94.98	64.80	101.83	124.30	63.77	61.37	57.06	55.56	59.37	114.30	114.45	410.88	193.19
	0.69	0.82	0.80	0.80	0.88	0.91	0.83	0.84	0.91	0.58	0.74	1.69	1.39	2.21	2.99	1.47	1.43	1.35	1.29	1.36	2.46	2.35	8.79	3.84
	-0.02	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.06	0.00	0.00	-0.01	-0.07	0.00	0.00	0.00	0.00	0.00	-0.14	-0.13	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

MILLWD 61759	61.32	54.01	50.27	49.81	52.82	54.32	52.15	53.08	55.30	55.11	59.01	101.52	68.01	122.93	143.96	66.23	63.72	59.04	57.45	61.54	149.31	144.95	423.77	197.66
	3.11	2.43	2.24	2.39	2.79	3.01	2.98	3.39	3.65	4.59	4.95	8.23	4.60	6.70	7.83	3.92	3.78	3.33	3.17	3.54	8.19	7.83	21.68	8.31
	-0.98	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.34	0.00	0.00	-16.63	-14.89	0.00	0.00	0.00	0.00	0.00	-29.42	-25.15	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	68.56	61.82	54.18	54.07	55.03	56.24	54.02	55.02	57.39	58.02	61.28	105.07	69.83	151.01	151.11	71.55	65.42	113.86	71.54	63.32	153.34	148.53	430.97	200.08
	5.51	4.76	4.44	4.61	5.00	4.93	4.85	5.33	5.74	6.82	7.15	11.79	6.42	9.19	9.95	5.06	5.09	4.53	4.51	5.31	11.59	10.83	28.88	10.73
	-5.81	-5.47	-1.71	-2.03	0.00	0.00	0.00	0.00	0.00	-0.67	-2.41	0.00	0.00	-42.22	-19.93	-4.19	-0.39	-53.62	-12.76	0.00	-30.05	-25.73	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

NORTH 61755	56.39	51.17	47.73	47.05	49.68	51.00	48.93	49.33	51.34	49.59	50.57	91.42	62.51	98.13	120.23	61.85	59.40	55.21	53.85	57.58	110.47	111.18	399.83	189.90
	-0.83	-0.41	-0.31	-0.37	-0.35	-0.31	-0.24	-0.36	-0.30	-0.94	-1.12	-1.87	-0.90	-1.47	-1.01	-0.45	-0.55	-0.51	-0.43	-0.42	-1.23	-0.78	-2.26	0.55
	0.01	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	0.00	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	53.55	54.20	49.99	49.32	52.08	43.00	50.92	51.45	51.00	53.29	57.35	98.69	64.84	60.90	133.32	65.46	63.33	58.76	57.23	61.28	60.56	54.13	44.47	2.00
	2.56	2.61	1.96	1.89	2.05	2.03	1.75	1.76	2.54	3.21	2.82	5.40	4.31	3.18	6.28	3.16	3.39	3.04	2.96	3.27	3.40	4.97	7.51	3.96
	4.76	0.00	0.00	0.00	0.00	5.07	0.00	0.00	2.34	1.72	-2.82	0.00	29.35	1.16	-5.80	0.00	0.00	0.00	0.00	0.00	2.53	35.10	126.32	108.92
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

O H 61846	44.13	41.95	38.96	38.59	40.46	34.71	40.21	40.45	41.04	42.36	42.35	75.17	49.38	51.01	98.70	50.87	48.77	45.30	44.05	47.27	50.00	38.71	20.31	-15.97
	-6.86	-9.64	-9.07	-8.84	-9.57	-6.26	-8.97	-9.24	-7.42	-7.72	-9.74	-18.12	-11.15	-6.71	-22.76	-11.43	-11.17	-10.42	-10.22	-10.74	-7.16	-10.45	-16.65	-14.01
	4.76	0.00	0.00	0.00	0.00	5.07	0.00	0.00	2.34	1.72	-0.37	0.00	29.35	1.16	-0.22	0.00	0.00	0.00	0.00	0.00	2.53	35.10	126.32	108.92
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

PJM 61847	47.09	47.86	44.52	44.13	46.54	35.72	46.16	47.01	45.21	46.87	49.93	88.50	58.73	58.25	114.55	58.61	56.37	52.38	51.09	54.66	57.52	50.00	30.10	-8.48
	-3.90	-3.73	-3.51	-3.29	-3.50	-5.25	-3.02	-2.67	-3.25	-3.21	-2.30	-4.79	-1.80	0.53	-6.99	-3.69	-3.57	-3.34	-3.19	-3.35	0.36	0.84	-6.86	-6.52
	4.76	0.00	0.00	0.00	0.00	5.07	0.00	0.00	2.34	1.72	-0.51	0.00	29.35	1.16	-0.30	0.00	0.00	0.00	0.00	0.00	2.53	35.10	126.32	108.92
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

WEST 61752	52.81	46.93	43.57	43.10	45.17	46.35	44.88	45.14	46.81	46.36	47.24	83.95	57.59	90.49	110.05	56.91	54.42	50.59	49.27	52.80	101.81	103.48	367.47	173.22
	-4.58	-4.65	-4.47	-4.32	-4.87	-4.96	-4.30	-4.55	-4.84	-4.17	-4.85	-9.34	-5.82	-9.12	-11.19	-5.39	-5.52	-5.13	-5.00	-5.20	-9.89	-8.49	-34.63	-16.13
	-0.15	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.37	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
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N