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: 05/01/2006

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	34.87	45.64	41.96	37.93	46.85	41.82	52.22	76.61	52.45	67.87	79.60	74.64	79.18	72.96	72.77	72.26	69.55	86.34	62.47	66.05	72.50	65.03	53.80	50.22
	1.16	1.41	1.27	1.17	1.50	1.44	2.16	3.56	0.52	2.53	3.67	3.25	3.54	3.03	3.25	2.54	2.86	4.01	2.98	3.27	4.22	3.24	2.30	1.94
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.68	-40.66	-12.22	-2.43	-7.91	-4.37	-8.54	-2.74	-14.70	-8.39	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

CENTRL 61754	32.79	43.00	39.51	35.74	44.11	39.48	49.36	71.74	7.31	51.96	73.90	63.18	71.20	60.78	66.84	53.96	57.79	82.57	59.31	62.51	68.57	61.87	51.19	47.73
	-0.92	-1.23	-1.19	-1.03	-1.24	-0.90	-0.70	-0.57	0.07	0.04	0.64	0.47	0.36	0.24	0.33	0.26	0.26	0.24	-0.17	-0.27	0.29	0.08	-0.31	-0.55
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.07	4.03	1.20	0.24	0.77	0.43	0.84	0.26	1.32	0.76	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	35.82	46.89	43.03	38.86	47.99	42.99	54.08	80.42	113.99	88.24	85.94	88.74	88.30	88.04	79.45	96.60	84.50	89.34	64.86	68.41	75.37	67.45	55.82	52.03
	2.11	2.66	2.34	2.09	2.64	2.61	4.02	6.35	0.91	4.68	6.42	5.74	6.24	5.41	5.82	4.76	5.19	7.01	5.38	5.62	7.09	5.66	4.32	3.73
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.70	-101.82	-30.43	-6.02	-19.52	-10.79	-21.24	-6.86	-36.81	-21.02	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

GENESE 61753	31.90	41.82	38.46	34.84	43.09	38.67	48.18	70.10	11.42	52.43	72.72	62.44	69.92	60.21	65.53	54.08	57.41	80.64	57.75	60.80	66.63	60.39	49.94	46.49
	-1.81	-2.40	-2.24	-1.93	-2.26	-1.71	-1.89	-2.27	0.16	-0.69	-0.78	-1.04	-1.35	-1.17	-1.25	-0.94	-0.88	-1.69	-1.73	-1.98	-1.65	-1.41	-1.56	-1.80
	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	33.71	44.26	40.78	36.84	45.38	40.27	49.64	71.16	69.00	52.04	71.91	62.11	69.87	60.25	65.56	54.16	57.21	81.12	64.53	61.89	64.00	60.60	50.83	47.87
	0.00	0.04	0.09	0.07	0.03	-0.11	-0.60	-1.21	-2.20	-1.09	-1.59	-1.37	-1.40	-1.13	-1.22	-0.87	-1.08	-1.22	-1.21	-0.90	-1.57	-1.20	-0.67	-0.42
	0.00	0.00	0.00	0.00	0.00	0.00	-2.53	0.00	2.04	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	1.37	0.00	2.60	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

HUD VL 61758	35.62	46.62	42.81	38.67	47.76	42.76	53.78	79.99	116.16	88.74	85.75	88.90	88.17	88.16	79.28	97.21	84.67	88.86	64.41	67.98	74.88	67.08	55.45	51.67
	1.91	2.39	2.12	1.90	2.41	2.38	3.71	5.89	0.87	4.42	6.08	5.41	5.84	5.06	5.46	4.44	4.83	6.53	4.94	5.20	6.60	5.29	3.94	3.38
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.73	-104.02	-31.19	-6.17	-20.01	-11.06	-21.72	-7.03	-37.74	-21.55	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

LONGIL 61762	39.70	48.00	44.03	39.71	49.06	47.73	60.51	82.43	114.00	88.71	86.96	89.60	89.27	89.00	80.80	97.61	85.45	90.10	77.70	76.19	79.35	73.34	73.36	55.56
	2.81	3.77	3.34	2.95	3.72	3.51	5.23	7.63	0.93	5.26	7.46	6.66	7.25	6.44	7.16	5.77	6.13	7.77	6.83	7.46	8.86	7.06	5.73	4.91
	-3.18	0.00	0.00	0.00	0.00	-3.83	-5.22	-2.42	-101.81	-30.32	-6.00	-19.46	-10.75	-21.17	-6.86	-36.81	-21.03	0.00	-11.39	-5.95	-2.21	-4.48	-16.13	-2.36
	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	33.93	44.49	40.89	36.96	45.64	40.90	51.20	74.31	5.96	52.91	75.39	64.29	72.82	61.86	68.32	54.37	58.81	84.67	61.03	64.31	70.41	63.50	52.53	49.05
	0.22	0.26	0.20	0.19	0.29	0.51	1.14	2.03	0.37	1.64	2.27	2.00	2.21	1.82	1.93	1.46	1.72	2.33	1.55	1.52	2.13	1.70	1.03	0.75
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.10	5.68	1.85	0.37	1.19	0.66	1.34	0.39	2.12	1.20	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	35.74	46.78	42.94	38.78	47.91	42.92	54.00	80.31	111.78	87.43	85.77	88.25	87.95	87.43	79.23	95.72	83.92	89.24	64.75	68.32	75.29	67.39	55.71	51.88
	2.03	2.55	2.24	2.01	2.56	2.53	3.93	6.27	0.90	4.64	6.40	5.67	6.16	5.33	5.74	4.68	5.11	6.91	5.26	5.54	7.00	5.60	4.21	3.60
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.66	-99.62	-29.67	-5.87	-19.10	-10.52	-20.71	-6.71	-36.01	-20.52	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

N.Y.C. 61761	43.02	50.07	47.36	42.63	51.00	47.78	56.90	81.92	114.03	88.49	86.19	89.04	88.59	88.25	79.68	96.86	84.73	89.72	65.12	68.65	75.70	67.78	56.11	52.27
	2.22	2.81	2.46	2.18	2.77	2.74	4.22	6.69	0.95	4.93	6.67	6.03	6.53	5.67	6.04	5.02	5.42	7.39	5.64	5.87	7.42	5.98	4.61	3.98
	-7.09	-3.03	-4.22	-3.68	-2.88	-4.66	-2.61	-2.86	-101.82	-30.44	-6.02	-19.52	-10.79	-21.19	-6.86	-36.81	-21.02	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

NORTH 61755	33.57	44.07	40.63	36.69	45.19	40.08	49.20	70.74	10.95	51.62	71.36	61.59	69.25	59.75	65.02	53.63	56.62	80.50	58.15	61.36	65.84	59.97	50.40	47.59
	-0.14	-0.15	-0.07	-0.08	-0.16	-0.30	-0.87	-1.64	-0.31	-1.50	-2.13	-1.89	-2.02	-1.63	-1.76	-1.39	-1.67	-1.83	-1.33	-1.42	-2.44	-1.83	-1.11	-0.70
	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	35.10	45.94	42.23	38.19	47.15	42.07	52.55	77.27	70.77	73.55	81.02	78.40	81.42	77.07	74.28	79.14	73.57	86.69	69.84	66.48	73.08	65.40	54.17	50.62
	1.39	1.71	1.53	1.42	1.80	1.69	2.48	3.92	0.54	2.75	4.03	3.58	3.88	3.35	3.53	2.80	3.10	4.36	4.11	3.69	4.80	3.61	2.67	2.32
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.98	-58.97	-17.67	-3.50	-11.34	-6.27	-12.33	-3.97	-21.32	-12.17	0.00	1.37	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

O H 61846	30.75	40.42	33.00	33.00	35.00	37.16	45.69	66.34	10.88	48.75	68.95	58.44	65.84	56.14	62.00	51.34	54.77	77.00	59.55	57.76	62.98	57.38	47.81	49.29
	-2.96	-3.81	-3.83	-3.30	-3.64	-3.22	-4.37	-6.03	-0.31	-3.28	-4.33	-4.34	-5.04	-4.52	-4.78	-3.69	-3.52	-5.34	-6.19	-5.03	-5.31	-4.42	-3.69	-2.56
	0.00	0.00	1.36	0.27	4.90	0.00	0.00	0.00	0.08	1.09	0.22	0.70	0.39	0.73	0.00	0.00	0.00	0.00	1.37	0.00	0.00	0.00	0.00	-3.04
	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	30.32	39.89	36.56	33.12	41.03	27.00	47.82	68.60	4.54	48.99	69.94	59.37	67.03	56.80	63.12	50.25	54.30	78.75	63.00	59.14	65.75	58.70	48.15	44.93
	-3.39	-4.34	-4.14	-3.65	-4.32	-3.11	-2.01	-3.67	-0.50	-2.28	-3.19	-2.93	-3.58	-3.29	-3.24	-2.53	-2.70	-3.58	-2.73	-3.64	-2.53	-3.10	-3.35	-3.36
	0.00	0.00	0.00	0.00	0.00	13.86	-2.12	0.10	6.23	1.85	0.37	1.19	0.66	1.29	0.42	2.25	1.29	0.00	1.37	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	30.94	40.68	37.29	33.76	41.81	37.49	46.53	67.67	7.06	49.57	70.09	59.43	66.95	57.03	62.84	50.78	54.81	78.30	55.73	58.70	64.28	58.35	48.40	45.35
	-2.77	-3.55	-3.40	-3.01	-3.54	-2.89	-3.54	-4.64	-0.17	-2.35	-3.16	-3.28	-3.89	-3.51	-3.66	-2.79	-2.64	-4.04	-3.75	-4.08	-4.00	-3.44	-3.10	-2.94
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.07	4.03	1.20	0.24	0.77	0.43	0.84	0.27	1.46	0.83	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