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: 02/28/2011

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	38.27	32.52	33.63	34.89	38.28	46.88	36.71	43.20	85.42	68.78	90.74	54.07	39.57	58.66	62.27	85.82	58.00	87.78	90.04	46.61	39.41	40.05	38.33	34.72
	1.68	1.53	1.58	1.74	1.42	2.37	2.16	2.29	1.95	2.44	2.08	2.56	2.79	2.66	2.71	2.08	2.26	2.06	2.17	2.79	2.71	2.73	2.57	2.11
	-6.60	0.00	0.00	0.00	-10.67	-3.96	0.00	-7.11	-59.59	-36.53	-62.97	-18.98	-0.02	-21.61	-23.61	-56.26	-24.21	-58.73	-59.60	-8.32	-0.12	-0.76	-0.60	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

CENTRL 61754	30.49	30.58	31.72	32.76	27.13	41.01	34.75	34.78	31.18	34.36	32.99	34.90	37.08	36.90	38.65	34.03	34.50	34.01	35.41	36.83	36.78	36.77	35.19	32.48
	-0.28	-0.42	-0.32	-0.39	-0.31	0.00	0.20	0.14	0.30	0.43	0.33	0.27	0.31	0.14	0.12	0.17	0.17	0.23	0.27	0.37	0.19	0.12	-0.03	-0.13
	-0.77	0.00	0.00	0.00	-1.25	-0.46	0.00	-0.83	-6.99	-4.12	-6.97	-2.10	0.00	-2.38	-2.59	-6.38	-2.80	-6.79	-6.86	-0.96	-0.01	-0.09	-0.07	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	37.18	32.93	33.99	35.22	35.98	46.54	37.39	42.38	71.36	60.51	75.83	50.13	40.47	54.17	57.40	72.66	53.18	74.37	76.26	45.45	40.23	40.74	38.96	35.04
	2.15	1.93	1.95	2.07	1.64	2.98	2.85	3.21	2.44	3.09	2.59	3.27	3.69	3.47	3.62	2.67	3.22	2.81	2.93	3.66	3.56	3.60	3.34	2.43
	-5.03	0.00	0.00	0.00	-8.15	-3.02	0.00	-5.37	-45.03	-27.60	-47.55	-14.33	-0.02	-16.32	-17.83	-42.50	-18.43	-44.58	-45.06	-6.29	-0.09	-0.57	-0.46	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	29.84	30.00	31.00	32.00	26.30	40.39	34.21	33.72	28.90	32.72	30.81	33.73	36.22	35.40	36.93	31.83	32.95	31.69	33.17	35.72	35.75	35.52	34.12	31.72
	-0.75	-0.99	-1.05	-1.15	-0.84	-0.50	-0.33	-0.71	-0.25	-0.22	-0.18	-0.39	-0.54	-0.80	-1.00	-0.53	-0.73	-0.50	-0.38	-0.52	-0.83	-1.12	-1.09	-0.90
	-0.58	0.00	0.00	0.00	-0.94	-0.35	0.00	-0.63	-5.27	-3.12	-5.30	-1.60	0.00	-1.82	-1.99	-4.88	-2.14	-5.20	-5.28	-0.74	-0.01	-0.07	-0.05	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	35.00	33.60	31.74	32.81	25.88	39.76	33.73	32.91	23.17	28.86	24.92	31.61	35.76	33.53	35.06	26.77	30.67	26.20	27.38	34.41	35.60	35.64	34.38	32.20
	-0.51	-0.16	-0.30	-0.34	-0.32	-0.79	-0.82	-0.89	-0.72	-0.95	-0.77	-0.92	-1.00	-0.86	-0.89	-0.71	-0.86	-0.79	-0.89	-1.09	-0.98	-0.93	-0.77	-0.41
	1.11	-0.95	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

HUD VL 61758	37.27	33.06	34.20	35.45	36.18	46.75	37.49	42.34	71.26	60.43	75.66	50.02	40.41	54.05	57.28	72.46	53.00	74.15	76.01	45.36	40.12	40.62	38.88	35.08
	2.24	2.07	2.16	2.30	1.84	3.18	2.94	3.17	2.43	3.08	2.56	3.21	3.63	3.40	3.56	2.63	3.09	2.74	2.84	3.59	3.45	3.48	3.27	2.46
	-5.03	0.00	0.00	0.00	-8.15	-3.02	0.00	-5.36	-44.95	-27.54	-47.41	-14.28	-0.02	-16.27	-17.77	-42.36	-18.37	-44.43	-44.90	-6.26	-0.09	-0.57	-0.46	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	37.76	33.45	34.46	35.71	36.39	47.47	38.04	43.26	72.08	63.84	87.43	60.94	50.19	56.67	67.26	74.13	58.53	75.20	77.07	50.74	44.77	45.44	40.75	35.48
	2.73	2.45	2.42	2.56	2.05	3.91	3.50	4.08	3.13	3.87	3.37	4.45	4.98	4.53	4.80	3.34	4.06	3.61	3.71	4.83	4.79	4.82	4.37	2.87
	-5.04	0.00	0.00	0.00	-8.15	-3.02	0.00	-5.38	-45.06	-30.17	-58.38	-23.96	-8.44	-17.75	-26.52	-43.30	-22.94	-44.61	-45.09	-10.41	-3.41	-4.06	-1.23	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	31.33	31.46	32.55	33.66	27.94	41.92	35.52	35.71	31.93	35.01	33.17	35.64	38.25	37.76	39.52	34.10	35.15	34.52	36.08	37.79	37.82	37.81	36.23	33.42
	0.52	0.46	0.51	0.51	0.41	0.89	0.97	1.06	0.91	1.15	0.98	1.26	1.49	1.38	1.41	1.02	1.06	1.00	0.98	1.33	1.23	1.15	1.01	0.80
	-0.82	0.00	0.00	0.00	-1.33	-0.49	0.00	-0.85	-7.13	-4.05	-6.51	-1.86	0.00	-1.99	-2.16	-5.60	-2.55	-6.54	-6.83	-0.96	-0.01	-0.09	-0.07	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	37.23	32.96	34.03	35.27	36.08	46.61	37.43	42.44	71.68	60.70	76.15	50.22	40.46	54.28	57.52	72.95	53.28	74.66	76.59	45.52	40.26	40.76	38.97	35.05
	2.17	1.96	1.99	2.12	1.68	3.03	2.88	3.23	2.45	3.10	2.59	3.27	3.68	3.46	3.62	2.68	3.20	2.81	2.96	3.69	3.60	3.62	3.36	2.43
	-5.06	0.00	0.00	0.00	-8.20	-3.04	0.00	-5.41	-45.34	-27.79	-47.88	-14.43	-0.02	-16.43	-17.95	-42.79	-18.55	-44.86	-45.35	-6.33	-0.09	-0.58	-0.46	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	37.36	33.08	34.14	35.37	36.09	46.77	37.67	42.73	71.62	60.82	76.34	50.47	40.82	54.51	57.74	72.91	53.50	74.65	74.34	45.79	40.56	41.03	39.23	35.24
	2.33	2.08	2.10	2.22	1.74	3.20	3.13	3.56	2.67	3.39	2.80	3.60	4.03	3.79	3.95	2.90	3.53	3.06	3.17	4.00	3.90	3.89	3.62	2.63
	-5.04	0.00	0.00	0.00	-8.15	-3.02	0.00	-5.38	-45.06	-27.61	-47.85	-14.34	-0.02	-16.33	-17.85	-42.53	-18.45	-44.60	-42.90	-6.29	-0.09	-0.57	-0.46	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	29.84	31.03	32.00	33.05	25.96	39.60	33.48	32.60	22.99	28.46	24.64	31.41	35.67	33.58	35.05	26.61	30.32	25.83	26.95	33.86	35.28	35.39	34.24	32.25
	-0.16	0.04	-0.04	-0.11	-0.23	-0.94	-1.07	-1.20	-0.90	-1.36	-1.05	-1.12	-1.09	-0.81	-0.89	-0.87	-1.21	-1.15	-1.32	-1.64	-1.30	-1.17	-0.91	-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	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	37.86	32.72	33.80	35.09	37.36	46.77	36.86	42.60	79.05	65.09	84.03	52.39	40.14	56.85	60.30	80.05	56.11	81.96	83.84	46.04	39.82	40.47	38.79	35.10
	1.93	1.72	1.76	1.94	1.56	2.67	2.31	2.48	2.20	2.83	2.44	3.01	3.36	3.27	3.39	2.58	2.86	2.49	2.57	3.15	3.14	3.23	3.10	2.49
	-5.93	0.00	0.00	0.00	-9.61	-3.56	0.00	-6.33	-52.96	-32.45	-55.91	-16.85	-0.02	-19.19	-20.97	-49.99	-21.72	-52.49	-53.00	-7.40	-0.11	-0.67	-0.54	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	29.01	29.06	30.01	30.93	25.61	39.23	32.67	31.78	28.29	31.40	30.07	31.94	33.85	33.33	34.68	30.81	31.20	30.67	32.08	33.28	33.24	33.04	32.14	30.26
	-1.67	-1.94	-2.03	-2.22	-1.69	-1.72	-1.88	-2.75	-1.72	-2.03	-1.78	-2.44	-2.91	-3.19	-3.60	-2.40	-2.83	-2.39	-2.36	-3.08	-3.35	-3.61	-3.08	-2.35
	-0.68	0.00	0.00	0.00	-1.10	-0.41	0.00	-0.74	-6.11	-3.63	-6.16	-1.86	0.00	-2.13	-2.33	-5.73	-2.50	-6.07	-6.17	-0.86	-0.01	-0.08	-0.06	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	31.89	29.09	30.50	31.36	30.57	41.22	33.42	36.50	55.80	49.02	58.94	41.46	35.67	44.72	47.38	57.44	44.24	58.18	59.87	39.01	35.43	36.07	34.34	31.19
	-1.73	-1.91	-1.54	-1.80	-1.48	-1.49	-1.12	-1.17	-0.49	-0.58	-0.81	-1.33	-1.11	-1.35	-1.33	-0.55	-0.54	-0.84	-0.80	-1.01	-1.20	-0.91	-1.14	-1.43
	-3.61	0.00	0.00	0.00	-5.85	-2.17	0.00	-3.86	-32.40	-19.79	-34.06	-10.26	-0.01	-11.68	-12.77	-30.51	-13.24	-32.03	-32.39	-4.52	-0.06	-0.41	-0.33	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	29.41	29.39	30.44	31.36	26.07	39.83	33.32	32.71	29.97	32.93	31.74	33.10	34.85	34.54	36.03	32.35	32.47	32.25	33.76	34.56	34.34	34.24	33.18	31.00
	-1.35	-1.61	-1.60	-1.79	-1.36	-1.17	-1.23	-1.93	-0.95	-1.06	-1.04	-1.56	-1.92	-2.26	-2.55	-1.61	-1.89	-1.60	-1.48	-1.92	-2.25	-2.42	-2.04	-1.61
	-0.77	0.00	0.00	0.00	-1.24	-0.46	0.00	-0.83	-7.03	-4.17	-7.09	-2.14	0.00	-2.41	-2.64	-6.48	-2.83	-6.86	-6.97	-0.97	-0.01	-0.09	-0.07	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