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: 02/01/2007

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	66.50	64.15	64.51	64.49	67.45	65.35	78.88	76.70	79.25	78.13	73.66	78.50	72.10	67.30	68.70	68.90	77.15	90.90	75.45	78.62	77.66	79.56	72.17	66.26
	3.10	2.80	3.15	3.20	3.32	3.33	4.80	4.56	4.84	4.72	4.61	5.09	4.67	4.21	3.34	4.40	4.55	5.67	4.67	5.13	5.08	4.27	3.87	3.25
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.71	0.00	0.00	0.00	-16.34	0.00	0.00	0.00	0.00	0.00	0.00	-10.44	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	62.74	60.53	60.51	60.14	63.40	61.32	74.22	72.11	74.51	73.37	66.84	73.44	67.30	62.87	50.90	64.59	72.69	85.66	71.60	74.24	72.95	66.25	67.79	62.04
	-0.67	-0.81	-0.84	-1.16	-0.74	-0.71	0.14	-0.03	0.11	-0.03	0.19	0.03	-0.14	-0.21	-0.03	0.09	0.08	0.42	0.82	0.74	0.37	0.17	-0.50	-0.97
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.32	0.00	0.00	0.00	-1.90	0.00	0.00	0.00	0.00	0.00	0.00	-1.22	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	68.28	65.72	65.77	65.57	68.56	66.50	80.18	78.12	80.95	79.99	75.01	80.44	74.07	69.26	66.15	70.81	79.25	93.45	77.60	80.72	79.45	78.57	73.79	67.70
	4.87	4.38	4.42	4.27	4.42	4.49	6.10	5.98	6.54	6.58	6.64	7.03	6.63	6.17	4.86	6.31	6.65	8.21	6.82	7.23	6.87	5.87	5.49	4.69
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.04	0.00	0.00	0.00	-12.27	0.00	0.00	0.00	0.00	0.00	0.00	-7.84	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	61.58	59.37	59.35	58.90	62.19	59.92	72.53	70.58	72.93	71.57	64.92	71.26	65.03	60.65	48.83	62.59	70.56	83.06	69.75	72.08	70.76	64.06	65.78	59.97
	-1.82	-1.98	-2.01	-2.40	-1.95	-2.10	-1.55	-1.56	-1.47	-1.84	-1.67	-2.15	-2.41	-2.44	-1.70	-1.90	-2.04	-2.17	-1.03	-1.42	-1.82	-1.77	-2.51	-3.04
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.25	0.00	0.00	0.00	-1.51	0.00	0.00	0.00	0.00	0.00	0.00	-0.96	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	62.77	60.93	60.74	59.50	63.50	61.41	65.00	70.87	72.85	71.91	64.59	71.72	65.89	61.72	47.86	62.98	71.13	65.88	68.85	71.43	70.75	68.90	67.35	62.45
	-0.63	-0.41	-0.61	-0.37	-0.64	-0.61	-1.44	-1.27	-1.55	-1.50	-1.75	-1.69	-1.55	-1.36	-1.17	-1.52	-1.48	-1.57	-1.93	-2.06	-1.84	-1.84	-0.94	-0.56
	0.00	0.00	0.00	1.19	0.00	0.00	3.99	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.16	0.00	0.00	0.00	2.66	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	67.46	64.96	65.07	64.89	68.10	66.11	79.72	77.65	80.42	79.43	74.45	79.82	73.51	68.70	65.61	70.22	78.65	92.83	77.11	80.20	78.96	78.05	73.31	67.26
	4.05	3.62	3.72	3.60	3.96	4.09	5.65	5.50	6.02	6.02	6.09	6.40	6.07	5.61	4.41	5.72	6.05	7.60	6.33	6.71	6.38	5.41	5.02	4.25
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.02	0.00	0.00	0.00	-12.17	0.00	0.00	0.00	0.00	0.00	0.00	-7.78	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	69.96	67.75	67.42	67.21	70.15	69.34	80.75	79.02	81.73	80.79	76.11	81.70	75.25	71.13	70.94	71.66	80.33	97.12	80.73	82.44	80.86	86.81	84.97	71.53
	6.56	6.40	6.08	5.92	6.01	6.01	6.67	6.88	7.33	7.57	8.07	8.33	7.91	7.87	6.24	7.87	8.11	10.56	8.88	8.95	8.28	7.22	7.12	6.50
	0.00	0.00	0.00	0.00	0.00	-1.31	0.00	0.00	0.01	0.18	-1.70	0.04	0.10	-0.17	-15.67	0.70	0.39	-1.33	-1.07	0.00	0.00	-14.73	-9.55	-2.02
	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	64.49	62.32	62.30	62.19	65.24	63.25	75.98	74.19	76.47	75.35	68.32	75.32	69.16	64.57	51.33	65.99	74.33	87.60	72.94	75.67	74.55	67.17	69.54	63.86
	1.08	0.98	0.94	0.89	1.10	1.23	1.91	2.05	2.07	1.95	1.78	1.91	1.73	1.48	1.09	1.50	1.72	2.37	2.16	2.18	1.97	1.53	1.24	0.85
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.21	0.00	0.00	0.00	-1.22	0.00	0.00	0.00	0.00	0.00	0.00	-0.78	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	68.05	65.51	65.61	65.43	68.53	66.53	80.29	78.19	81.01	79.99	75.02	80.39	74.02	69.21	66.27	70.77	79.26	93.53	77.69	80.81	79.54	78.70	73.81	67.69
	4.64	4.17	4.26	4.14	4.40	4.51	6.21	6.05	6.60	6.58	6.62	6.98	6.58	6.12	4.83	6.27	6.65	8.29	6.91	7.32	6.96	5.91	5.52	4.68
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.06	0.00	0.00	0.00	-12.42	0.00	0.00	0.00	0.00	0.00	0.00	-7.93	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	70.46	67.54	66.32	66.12	69.18	67.16	81.05	78.97	82.06	85.02	83.62	82.30	77.02	77.00	84.41	87.79	89.09	103.33	78.38	143.95	90.13	79.82	74.44	68.30
	5.64	5.07	4.97	4.83	5.04	5.14	6.97	6.83	7.41	7.41	7.37	7.87	7.28	6.79	5.34	6.95	7.39	8.98	7.60	7.99	7.56	6.48	6.15	5.29
	-1.40	-1.13	0.00	0.00	0.00	0.00	0.00	0.00	-0.25	-4.21	-9.92	-1.01	-2.30	-7.13	-30.04	-16.34	-9.09	-9.12	0.00	-62.47	-9.99	-8.48	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	63.10	61.18	60.98	61.04	63.80	61.71	72.63	70.80	72.71	71.73	64.39	71.80	66.05	61.85	47.77	62.83	70.83	82.80	68.58	71.16	70.63	63.31	67.29	62.35
	-0.31	-0.17	-0.37	-0.25	-0.34	-0.31	-1.45	-1.35	-1.70	-1.68	-1.94	-1.61	-1.39	-1.24	-1.25	-1.67	-1.78	-2.43	-2.20	-2.33	-1.95	-1.54	-1.00	-0.66
	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	66.56	64.16	64.61	63.17	67.53	65.33	78.72	76.37	78.98	77.93	73.43	78.58	72.26	67.50	67.14	69.14	77.16	71.70	75.17	78.48	77.66	78.46	72.24	66.35
	3.16	2.81	3.26	3.30	3.40	3.31	4.65	4.23	4.58	4.52	4.67	5.17	4.82	4.41	3.52	4.64	4.55	4.26	4.40	4.98	5.08	4.28	3.95	3.34
	0.00	0.00	0.00	1.19	0.00	0.00	0.00	0.00	0.00	0.00	-2.42	0.00	0.00	0.00	-14.59	0.00	0.00	0.16	0.00	0.00	0.00	-9.32	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	58.85	56.70	56.69	54.11	59.36	56.50	64.30	64.84	67.20	66.15	60.42	66.89	61.23	57.11	46.43	59.31	66.74	61.58	65.50	67.70	66.57	60.93	63.04	31.00
	-4.56	-4.64	-4.66	-5.76	-4.78	-5.52	-4.99	-7.30	-7.21	-7.25	-6.21	-6.52	-6.21	-5.97	-4.35	-5.18	-5.87	-5.86	-5.28	-5.80	-6.01	-5.06	-5.25	-6.80
	0.00	0.00	0.00	1.19	0.00	0.00	1.14	0.00	0.00	0.00	-0.29	0.00	0.00	0.00	-1.76	0.00	0.00	0.16	0.00	0.00	0.00	-1.12	0.00	22.78
	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	59.25	57.02	56.89	53.88	59.84	57.76	71.23	68.19	70.83	69.47	64.02	70.06	64.39	60.14	49.89	62.29	69.79	65.00	69.13	71.75	69.98	64.07	64.25	58.38
	-4.15	-4.33	-4.46	-5.99	-4.30	-4.26	-2.85	-3.96	-3.58	-3.94	-2.79	-3.35	-3.05	-2.94	-1.96	-2.21	-2.82	-2.44	-1.65	-1.75	-2.60	-2.60	-4.04	-4.63
	0.00	0.00	0.00	1.19	0.00	0.00	0.00	0.00	0.00	0.00	-0.47	0.00	0.00	0.00	-2.83	0.00	0.00	0.16	0.00	0.00	0.00	-1.81	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	59.40	57.16	57.13	56.36	59.88	57.15	68.95	66.13	68.59	67.50	61.75	68.21	62.47	58.29	47.53	60.51	68.04	79.66	67.05	69.33	68.02	62.17	63.86	58.41
	-4.01	-4.18	-4.22	-4.94	-4.26	-4.87	-5.14	-6.02	-5.82	-5.91	-4.91	-5.20	-4.97	-4.79	-3.44	-3.99	-4.57	-5.58	-3.73	-4.16	-4.57	-3.93	-4.44	-4.60
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.32	0.00	0.00	0.00	-1.95	0.00	0.00	0.00	0.00	0.00	0.00	-1.24	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