P-4A

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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: 03/01/2007

Name PTID	00:00 EST	01:00 EST	02:00 EST	03:00 EST	04:00 EST	05:00 EST	06:00 EST	07:00 EST	08:00 EST	09:00 EST	10:00 EST	11:00 EST	12:00 EST	13:00 EST	14:00 EST	15:00 EST	16:00 EST	17:00 EST	18:00 EST	19:00 EST	20:00 EST	21:00 EST	22:00 EST	23:00 EST

CAPITL 61757	53.23	59.55	60.90	62.06	51.46	62.40	76.05	74.31	63.01	55.04	64.59	68.30	77.25	56.18	53.85	75.56	83.91	62.93	76.75	102.42	77.81	74.16	51.60	40.06
	2.33	2.65	2.55	2.85	2.59	3.47	4.58	4.28	3.51	2.97	3.56	3.60	3.99	2.72	2.71	3.69	4.05	3.47	4.28	5.69	4.46	4.21	2.80	2.16
	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	-0.48	-3.73	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

CENTRL 61754	49.16	54.87	56.07	57.30	47.32	57.80	70.89	69.94	59.22	51.78	60.67	64.14	72.46	52.99	50.47	71.19	79.01	58.57	68.85	96.53	72.82	69.08	47.76	36.74
	-1.73	-2.04	-2.28	-1.91	-1.54	-1.12	-0.58	-0.09	-0.28	-0.29	-0.36	-0.56	-0.79	-0.47	-0.67	-0.68	-0.86	-0.41	0.11	-0.21	-0.53	-0.87	-1.04	-1.16
	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

DUNWOD 61760	54.40	60.61	61.86	63.29	52.47	63.77	78.04	76.82	65.57	57.47	67.27	71.23	80.32	58.34	55.83	78.20	87.05	70.58	120.26	105.50	80.30	76.30	52.87	40.74
	3.51	3.70	3.51	4.07	3.61	4.84	6.57	6.79	6.06	5.40	6.24	6.54	7.06	4.88	4.68	6.33	7.18	5.89	6.64	8.77	6.94	6.35	4.06	2.84
	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	-5.70	-44.89	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

GENESE 61753	47.31	52.54	53.74	54.87	45.40	55.50	68.80	67.94	57.54	50.64	59.40	62.97	71.22	52.28	49.78	70.33	77.82	57.81	68.25	95.36	71.38	67.54	46.74	35.73
	-3.59	-4.36	-4.62	-4.35	-3.47	-3.42	-2.67	-2.10	-1.97	-1.43	-1.63	-1.72	-2.04	-1.18	-1.36	-1.54	-2.04	-1.17	-0.49	-1.37	-1.97	-2.41	-2.07	-2.17
	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	50.84	56.96	58.60	59.19	49.25	60.00	59.96	68.65	58.31	51.00	59.80	63.46	72.03	52.66	50.40	70.84	78.75	57.86	62.00	95.03	72.05	68.85	53.06	37.72
	-0.06	0.05	0.25	-0.02	-0.29	-0.87	-1.83	-1.38	-1.20	-1.07	-1.23	-1.24	-1.23	-0.81	-0.74	-1.03	-1.12	-1.12	-1.47	-1.71	-1.31	-1.10	-0.61	-0.18
	0.00	0.00	0.00	0.00	5.98	1.77	15.30	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	3.06	0.00	0.00	0.00	1.60	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	54.09	60.28	61.55	62.82	52.07	63.27	77.50	76.22	65.01	56.93	66.66	70.58	79.59	57.82	55.31	77.57	86.34	67.98	103.82	104.83	79.73	75.81	52.49	40.44
	3.19	3.38	3.19	3.60	3.21	4.34	6.03	6.19	5.50	4.87	5.63	5.88	6.34	4.36	4.17	5.70	6.47	5.31	6.08	8.10	6.38	5.85	3.68	2.53
	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	-3.68	-29.00	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

LONGIL 61762	68.13	66.61	64.07	66.06	61.09	74.07	80.86	80.23	86.48	72.15	93.09	79.38	82.28	74.27	74.50	80.81	91.04	80.53	124.80	107.56	86.26	79.00	73.31	65.62
	5.22	5.64	5.39	6.08	5.29	6.65	8.18	8.56	7.89	6.97	7.92	8.38	8.96	6.38	6.12	7.69	8.94	7.42	8.37	10.83	8.46	7.77	5.51	4.05
	-12.01	-4.06	-0.33	-0.76	-6.94	-8.48	-1.21	-1.64	-19.08	-13.11	-24.15	-6.31	-0.06	-14.43	-17.23	-1.25	-2.23	-14.13	-47.68	0.00	-4.46	-1.28	-19.00	-23.66
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

MHK VL 61756	51.57	57.64	59.06	60.05	49.58	60.18	73.41	72.19	61.23	53.86	63.40	66.52	74.92	54.68	52.23	73.46	81.70	60.49	70.84	99.59	75.30	71.67	49.76	38.45
	0.68	0.74	0.70	0.83	0.72	1.25	1.94	2.16	1.73	1.79	2.37	1.83	1.67	1.22	1.08	1.59	1.84	1.51	2.10	2.86	1.95	1.72	0.96	0.54
	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

MILLWD 61759	54.34	60.55	61.83	63.27	52.46	63.76	78.08	76.88	65.58	57.46	67.27	71.17	80.26	58.29	55.77	78.16	87.03	70.47	119.54	105.61	80.35	76.35	52.86	40.71
	3.45	3.65	3.48	4.06	3.60	4.83	6.61	6.84	6.08	5.39	6.24	6.48	7.00	4.82	4.63	6.29	7.16	5.88	6.69	8.88	6.99	6.40	4.05	2.81
	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	-5.60	-44.11	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

N.Y.C. 61761	54.74	60.91	62.16	63.62	52.76	64.16	78.67	77.50	66.19	58.04	67.91	71.95	81.13	58.95	56.43	78.96	87.89	71.23	132.24	108.49	106.28	103.13	82.55	67.87
	3.84	4.01	3.81	4.41	3.90	5.23	7.20	7.47	6.69	5.97	6.88	7.26	7.87	5.48	5.29	7.09	8.02	6.52	7.19	9.46	7.53	6.93	4.45	3.14
	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	-5.73	-56.32	-2.30	-25.40	-26.24	-29.29	-26.83
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

NORTH 61755	51.13	57.33	58.99	59.59	49.03	58.61	70.45	69.10	58.67	51.25	60.15	63.68	72.39	52.88	50.58	71.10	79.05	58.15	67.65	95.51	72.38	69.25	48.55	37.95
	0.23	0.43	0.64	0.37	0.17	-0.32	-1.02	-0.93	-0.84	-0.82	-0.88	-1.02	-0.87	-0.58	-0.56	-0.77	-0.82	-0.84	-1.08	-1.22	-0.98	-0.71	-0.26	0.05
	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	53.29	59.63	60.97	62.23	51.63	62.52	66.44	74.25	63.19	55.34	65.01	68.79	77.83	56.46	54.10	75.84	84.33	65.26	92.63	102.48	77.97	74.18	51.59	54.65
	2.39	2.72	2.61	3.02	2.77	3.60	4.65	4.22	3.69	3.27	3.98	4.09	4.57	3.00	2.95	3.97	4.47	3.79	4.33	5.74	4.62	4.23	2.78	2.26
	0.00	0.00	0.00	0.00	0.00	0.00	15.30	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.49	-19.56	0.00	0.00	0.00	0.00	-13.13
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

O H 61846	44.61	35.00	42.00	49.21	42.76	48.00	54.77	61.46	51.92	45.84	53.81	57.18	64.88	47.86	45.41	64.31	71.16	52.63	61.79	86.19	64.33	61.34	43.04	33.12
	-6.29	-8.20	-7.63	-6.72	-6.10	-6.98	-7.03	-8.57	-7.58	-6.23	-7.22	-7.51	-8.38	-5.60	-5.73	-7.55	-8.71	-6.35	-6.95	-10.54	-9.02	-8.62	-5.76	-4.79
	0.00	14.68	6.79	2.44	0.00	7.67	15.30	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	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

PJM 61847	45.04	50.53	51.17	53.29	41.31	55.00	99.01	66.26	55.44	48.50	56.73	59.72	67.17	49.34	46.51	66.13	73.19	54.47	64.69	90.17	68.00	64.44	43.94	33.27
	-5.85	-6.37	-7.18	-5.93	-5.42	-3.96	-0.72	-3.77	-4.07	-3.57	-4.30	-4.97	-6.09	-4.12	-4.63	-5.74	-6.68	-4.52	-4.05	-6.56	-5.36	-5.52	-4.86	-4.63
	0.00	0.00	0.00	0.00	8.93	3.69	-22.63	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

WEST 61752	45.03	49.95	51.00	52.40	43.23	52.71	63.88	63.07	53.20	46.92	55.04	58.38	66.09	48.73	46.15	65.44	72.41	53.65	63.22	88.20	65.85	62.65	43.66	33.45
	-5.87	-6.95	-7.36	-6.82	-5.63	-6.21	-7.59	-6.96	-6.31	-5.15	-5.99	-6.32	-7.17	-4.74	-4.99	-6.43	-7.46	-5.34	-5.52	-8.53	-7.51	-7.30	-5.14	-4.46
	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