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: 05/01/2004

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	52.00	43.99	41.08	24.20	30.26	30.00	32.49	47.62	64.92	68.58	71.86	82.68	84.34	67.89	75.25	74.51	76.81	84.08	84.10	140.07	185.17	72.51	79.86	64.91
	2.20	1.02	2.53	1.40	1.65	1.70	1.89	3.31	4.97	4.97	4.74	5.86	5.71	4.70	4.47	4.87	5.16	1.80	1.50	1.82	2.46	3.64	5.28	3.68
	-12.30	-25.72	0.00	-0.49	-2.58	-2.39	-0.79	-0.31	0.00	0.00	0.00	0.00	0.00	0.00	-11.59	0.00	0.00	-47.30	-50.17	-105.16	-134.72	-5.62	0.00	-7.20
	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	37.39	18.15	37.96	21.99	25.74	25.56	29.32	43.17	58.82	62.55	66.12	75.72	77.41	62.22	58.80	68.59	70.55	36.63	34.27	37.45	53.60	62.68	73.30	53.34
	-0.67	-0.29	-0.58	-0.34	-0.41	-0.46	-0.52	-0.84	-1.13	-1.06	-1.00	-1.10	-1.21	-0.97	-0.93	-1.05	-1.10	-0.52	-0.46	-0.47	-0.59	-0.84	-1.28	-1.02
	-0.57	-1.19	0.00	-0.02	-0.12	-0.11	-0.04	-0.01	0.00	0.00	0.00	0.00	0.00	0.00	-0.54	0.00	0.00	-2.17	-2.30	-4.83	-6.20	-0.26	0.00	-0.33
	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	48.71	38.06	39.79	23.43	28.89	28.59	31.46	45.91	61.94	65.85	69.59	79.63	81.49	65.27	70.23	72.10	74.08	73.54	73.14	116.68	155.65	70.34	77.26	61.45
	1.59	0.69	1.24	0.73	0.85	0.79	1.04	1.67	1.99	2.25	2.47	2.81	2.86	2.08	2.02	2.47	2.43	1.59	1.50	1.39	2.17	2.70	2.68	1.76
	-9.62	-20.12	0.00	-0.38	-2.02	-1.89	-0.62	-0.24	0.00	0.00	0.00	0.00	0.00	0.00	-9.01	0.00	0.00	-36.97	-39.22	-82.21	-105.49	-4.39	0.00	-5.66
	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	37.25	18.07	37.97	21.96	25.67	25.57	29.22	43.07	58.90	62.57	66.16	75.75	77.31	62.22	58.57	68.28	70.23	36.03	33.72	36.97	52.64	61.86	72.82	53.15
	-0.82	-0.37	-0.57	-0.37	-0.48	-0.44	-0.61	-0.94	-1.05	-1.04	-0.96	-1.07	-1.32	-0.97	-1.13	-1.35	-1.42	-1.11	-1.01	-0.93	-1.44	-1.65	-1.76	-1.19
	-0.57	-1.19	0.00	-0.02	-0.12	-0.10	-0.04	-0.01	0.00	0.00	0.00	0.00	0.00	0.00	-0.51	0.00	0.00	-2.17	-2.30	-4.82	-6.09	-0.26	0.00	-0.31
	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	39.27	23.74	38.15	22.07	25.75	25.68	29.54	43.64	59.55	63.14	66.63	76.13	77.84	62.65	58.59	68.98	71.03	34.44	31.88	32.41	90.00	62.57	74.03	38.00
	-0.29	-0.07	-0.39	-0.24	-0.27	-0.23	-0.26	-0.36	-0.40	-0.47	-0.49	-0.69	-0.78	-0.54	-0.60	-0.65	-0.62	-0.41	-0.41	-0.40	-1.19	-0.67	-0.55	0.21
	-0.88	3.99	0.00	0.00	0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.01	0.00	0.00	0.12	0.13	0.27	17.11	0.01	0.00	30.58
	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	47.73	37.25	39.13	23.05	28.42	28.14	30.94	45.11	61.05	64.88	68.53	78.32	80.43	64.41	69.25	71.09	73.09	72.18	71.77	114.35	152.51	69.34	76.26	60.60
	0.82	0.36	0.58	0.36	0.43	0.40	0.53	0.88	1.09	1.27	1.40	1.50	1.80	1.21	1.19	1.46	1.44	1.09	1.04	0.96	1.59	1.80	1.68	1.07
	-9.41	-19.64	0.00	-0.38	-1.97	-1.83	-0.61	-0.24	0.00	0.00	0.00	0.00	0.00	0.00	-8.87	0.00	0.00	-36.12	-38.31	-80.30	-102.94	-4.29	0.00	-5.51
	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	53.69	53.33	58.11	51.84	51.89	51.78	47.62	56.95	63.42	66.54	70.09	80.09	81.98	65.69	70.73	72.54	74.41	73.81	73.38	116.90	155.85	70.71	77.78	62.20
	2.50	1.15	2.22	1.31	1.53	1.45	1.77	2.67	2.87	2.93	2.97	3.28	3.35	2.50	2.42	2.90	2.76	1.73	1.60	1.33	2.08	3.06	3.20	2.39
	-13.69	-34.93	-17.35	-28.22	-24.33	-24.43	-16.04	-10.28	-0.59	0.00	0.00	0.00	0.00	0.00	-9.11	0.00	0.00	-37.10	-39.35	-82.48	-105.78	-4.40	0.00	-5.79
	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	38.33	17.85	39.34	22.75	26.56	26.44	30.41	45.06	61.42	65.10	68.60	78.49	80.22	64.65	60.72	71.21	73.29	36.06	33.47	34.86	50.27	64.50	76.29	55.31
	0.69	0.31	0.80	0.44	0.50	0.50	0.60	1.06	1.46	1.49	1.47	1.67	1.60	1.46	1.40	1.57	1.63	0.54	0.47	0.56	0.76	1.18	1.71	1.20
	-0.14	-0.29	0.00	-0.01	-0.03	-0.03	-0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.13	0.00	0.00	-0.54	-0.58	-1.21	-1.53	-0.06	0.00	-0.08
	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	47.99	37.49	39.23	23.10	28.49	28.18	31.03	45.26	61.10	64.97	68.65	78.33	80.39	64.42	69.32	71.15	73.11	72.52	72.12	115.03	153.29	69.41	76.24	60.59
	1.02	0.43	0.69	0.42	0.48	0.42	0.61	1.03	1.15	1.36	1.53	1.52	1.76	1.23	1.21	1.51	1.46	1.11	1.06	0.95	1.55	1.83	1.66	1.02
	-9.47	-19.81	0.00	-0.38	-1.99	-1.84	-0.61	-0.24	0.00	0.00	0.00	0.00	0.00	0.00	-8.92	0.00	0.00	-36.43	-38.64	-80.99	-103.76	-4.32	0.00	-5.55
	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	55.76	41.92	40.37	23.75	29.26	28.95	31.91	50.85	65.40	67.20	70.57	80.61	82.58	66.12	71.11	73.07	75.02	74.13	73.70	117.60	159.22	80.16	86.01	65.25
	2.26	0.98	1.83	1.06	1.21	1.15	1.48	2.37	2.89	3.20	3.44	3.79	3.95	2.92	2.80	3.44	3.37	2.07	1.94	1.82	2.73	3.53	3.71	2.46
	-16.00	-23.69	0.00	-0.39	-2.02	-1.89	-0.62	-4.48	-2.55	-0.39	0.00	0.00	0.00	0.00	-9.11	0.00	0.00	-37.08	-39.34	-82.69	-108.51	-13.38	-7.72	-8.77
	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	37.28	17.02	38.42	22.21	25.91	25.85	29.73	43.99	60.02	63.51	66.97	76.58	78.22	63.04	58.96	69.41	71.49	34.47	31.87	32.35	47.03	62.79	74.51	53.99
	-0.15	-0.10	-0.13	-0.10	-0.10	-0.06	-0.06	-0.01	0.06	-0.10	-0.15	-0.24	-0.41	-0.15	-0.21	-0.22	-0.16	-0.32	-0.36	-0.32	-0.51	-0.44	-0.07	-0.03
	0.06	0.14	0.00	0.00	0.01	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.02	0.00	0.00	0.19	0.20	0.42	0.44	0.02	0.00	0.01
	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	50.10	41.81	39.79	23.47	29.28	29.00	31.48	45.97	62.42	66.00	69.31	79.64	81.34	65.30	72.10	71.76	73.93	79.99	79.95	132.15	95.96	70.02	77.04	40.11
	1.11	0.53	1.24	0.70	0.85	0.86	0.94	1.69	2.47	2.39	2.19	2.82	2.71	2.11	2.08	2.13	2.28	0.82	0.65	0.80	4.77	1.52	2.46	2.32
	-11.50	-24.03	0.00	-0.46	-2.41	-2.24	-0.74	-0.29	0.00	0.00	0.00	0.00	0.00	0.00	-10.83	0.00	0.00	-44.19	-46.88	-98.26	17.11	-5.25	0.00	30.58
	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	35.54	17.51	35.64	20.72	24.32	24.15	27.60	39.84	53.54	56.94	60.84	69.35	71.16	57.20	54.02	63.05	64.76	34.91	32.96	36.52	76.68	58.07	67.23	30.27
	-2.68	-1.24	-2.90	-1.62	-1.86	-1.90	-2.25	-4.18	-6.42	-6.67	-6.29	-7.47	-7.46	-5.99	-5.85	-6.58	-6.89	-2.81	-2.37	-2.66	-14.51	-5.51	-7.35	-7.52
	-0.72	-1.50	0.00	-0.03	-0.15	-0.14	-0.05	-0.02	0.00	0.00	0.00	0.00	0.00	0.00	-0.67	0.00	0.00	-2.74	-2.91	-6.09	17.11	-0.33	0.00	30.58
	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	35.91	18.10	35.79	20.81	24.42	24.21	27.74	40.62	55.11	58.56	62.07	70.88	72.72	58.31	55.53	64.56	66.39	36.59	34.54	39.34	90.11	59.57	69.07	33.48
	-2.56	-1.20	-2.76	-1.54	-1.81	-1.89	-2.12	-3.40	-4.85	-5.04	-5.06	-5.94	-5.90	-4.88	-4.58	-5.07	-5.27	-2.12	-1.85	-2.05	-1.08	-4.13	-5.51	-4.31
	-0.98	-2.04	0.00	-0.04	-0.20	-0.19	-0.06	-0.03	0.00	0.00	0.00	0.00	0.00	0.00	-0.91	0.00	0.00	-3.74	-3.96	-8.31	17.11	-0.44	0.00	30.58
	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	35.53	17.49	35.54	20.61	24.19	24.05	27.51	39.67	53.31	56.76	60.70	69.28	71.07	57.20	53.97	63.03	64.75	34.94	32.99	36.53	52.03	58.12	67.18	49.65
	-2.68	-1.26	-3.00	-1.73	-1.99	-1.99	-2.33	-4.35	-6.64	-6.85	-6.42	-7.54	-7.55	-5.99	-5.89	-6.60	-6.91	-2.78	-2.34	-2.65	-3.73	-5.46	-7.40	-4.79
	-0.71	-1.49	0.00	-0.03	-0.15	-0.13	-0.05	-0.02	0.00	0.00	0.00	0.00	0.00	0.00	-0.66	0.00	0.00	-2.74	-2.91	-6.09	-7.77	-0.33	0.00	-0.41
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N