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: 06/21/2010

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	50.05	44.97	45.06	40.97	43.67	44.79	53.33	53.02	54.15	61.35	72.04	69.58	67.38	80.02	82.52	61.29	101.54	83.45	74.53	70.62	72.40	64.48	46.21	47.42
	1.79	1.50	1.16	1.10	1.18	1.36	2.17	2.66	2.98	3.81	5.07	4.77	4.49	5.46	5.60	4.28	6.36	5.09	5.18	4.87	5.18	4.38	2.63	2.31
	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	1.40	0.57	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	47.34	42.43	42.60	38.70	41.31	42.47	50.35	49.97	51.05	57.80	67.95	65.82	63.88	75.16	77.61	61.22	97.83	79.11	70.00	66.43	67.82	60.41	43.81	44.89
	-0.92	-1.03	-1.30	-1.17	-1.18	-0.96	-0.81	-0.40	-0.13	0.26	0.98	1.01	0.99	0.60	0.69	0.74	1.25	0.76	0.65	0.68	0.60	0.31	0.24	-0.22
	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	-2.08	-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

DUNWOD 61760	51.90	46.43	46.36	42.07	44.77	45.98	54.85	54.61	56.09	63.55	74.27	72.42	70.75	83.71	86.23	87.53	115.34	86.92	77.37	73.43	75.15	67.00	48.14	49.10
	3.64	2.97	2.46	2.19	2.28	2.55	3.68	4.24	4.91	6.02	7.30	7.61	7.86	9.15	9.31	7.26	11.19	8.56	8.01	7.67	7.92	6.91	4.56	3.99
	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	-21.86	-8.40	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	46.26	41.40	41.62	37.78	40.37	41.60	49.03	48.91	50.15	56.88	66.64	64.52	62.09	73.10	75.63	59.09	95.45	77.65	68.78	64.98	66.01	58.99	43.37	44.30
	-2.01	-2.07	-2.28	-2.10	-2.12	-1.83	-2.14	-1.46	-1.02	-0.66	-0.32	-0.29	-0.80	-1.46	-1.29	-0.69	-0.85	-0.71	-0.57	-0.78	-1.21	-1.11	-0.20	-0.80
	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	-1.38	-0.55	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

H Q 61844	45.82	42.00	44.32	40.24	42.89	43.63	51.07	49.86	50.42	56.42	65.25	63.02	61.14	72.64	74.92	56.77	93.55	79.33	67.63	64.14	65.56	49.08	38.43	44.48
	-0.11	0.13	0.42	0.37	0.40	0.20	-0.09	-0.51	-0.76	-1.12	-1.71	-1.79	-1.75	-1.92	-2.01	-1.63	-2.20	-1.45	-1.72	-1.62	-1.66	-1.11	-1.04	-0.63
	2.96	1.33	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	-4.15	0.00	0.00	0.00	-0.45	9.98	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	51.56	46.12	46.12	41.89	44.62	45.80	54.55	54.18	55.57	63.07	73.80	71.91	70.29	83.23	85.84	84.78	114.03	86.63	77.04	73.07	74.73	66.60	47.80	48.82
	3.30	2.66	2.21	2.02	2.13	2.37	3.39	3.81	4.39	5.53	6.84	7.10	7.40	8.67	8.92	6.94	10.76	8.27	7.68	7.31	7.51	6.50	4.23	3.70
	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	-19.45	-7.52	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

LONGIL 61762	54.07	48.07	47.28	42.55	45.30	46.70	56.11	55.69	57.59	65.27	77.58	74.69	72.89	96.99	104.09	103.69	125.87	88.57	79.02	76.26	90.80	99.97	52.85	51.82
	4.85	3.94	3.20	2.68	2.80	3.27	4.95	5.32	6.41	7.74	9.43	9.89	9.99	11.72	12.11	9.44	14.29	10.21	9.66	9.42	10.03	8.93	6.05	5.37
	-0.96	-0.67	-0.18	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.18	0.00	0.00	-10.70	-15.06	-35.85	-15.84	0.00	0.00	-1.08	-13.55	-30.94	-3.23	-1.35
	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	49.61	44.43	44.70	40.60	43.35	44.49	52.76	52.31	53.25	60.18	70.23	68.00	66.18	78.41	81.00	63.92	101.59	82.09	72.47	68.86	70.37	62.91	45.43	46.59
	1.35	0.97	0.80	0.73	0.85	1.06	1.60	1.95	2.07	2.64	3.27	3.19	3.29	3.85	4.08	2.98	4.84	3.74	3.11	3.10	3.15	2.82	1.85	1.49
	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	-2.54	-1.00	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	51.74	46.30	46.24	41.96	44.67	45.86	54.67	54.42	55.87	63.35	74.07	72.24	70.62	83.54	86.13	87.22	115.16	86.86	77.29	73.32	75.03	66.87	47.99	48.96
	3.47	2.83	2.33	2.09	2.18	2.43	3.51	4.06	4.69	5.81	7.11	7.43	7.72	8.98	9.21	7.17	11.09	8.50	7.94	7.57	7.81	6.77	4.41	3.85
	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	-21.64	-8.32	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	53.40	48.46	47.40	42.39	45.04	46.24	55.17	55.02	58.02	77.27	84.41	89.83	88.84	100.21	102.55	103.73	129.77	103.74	95.58	92.91	95.18	93.19	73.34	73.67
	4.09	3.32	2.75	2.46	2.55	2.81	4.00	4.65	5.38	6.57	7.94	8.26	8.56	9.88	10.07	7.80	12.05	9.23	8.59	8.24	8.48	7.47	4.99	4.43
	-1.05	-1.67	-0.75	-0.06	0.00	0.00	0.00	0.00	-1.46	-13.16	-9.51	-16.77	-17.39	-15.77	-15.56	-37.52	-21.97	-16.15	-17.64	-18.91	-19.48	-25.62	-24.77	-24.13
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

NORTH 61755	48.92	44.15	44.92	40.78	43.46	44.24	51.80	50.54	51.07	57.09	65.49	63.12	61.26	73.10	75.28	56.73	94.28	77.48	67.83	64.52	66.03	59.40	43.39	45.05
	0.66	0.68	1.02	0.90	0.96	0.80	0.63	0.18	-0.10	-0.45	-1.48	-1.69	-1.63	-1.47	-1.64	-1.67	-1.47	-0.88	-1.53	-1.24	-1.20	-0.69	-0.18	-0.06
	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	47.98	43.47	45.37	41.28	43.96	45.07	53.64	53.27	54.37	61.60	71.96	69.72	67.81	80.57	83.05	69.18	104.91	86.00	74.71	70.86	72.70	56.19	42.75	47.71
	2.05	1.60	1.47	1.41	1.47	1.64	2.47	2.90	3.19	4.07	4.99	4.91	4.92	6.01	6.13	4.71	6.88	5.21	5.36	5.11	5.48	3.73	3.29	2.61
	2.96	1.33	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	-6.08	-2.29	-4.15	0.00	0.00	0.00	-2.73	9.98	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	41.98	38.62	39.84	36.22	38.70	39.84	46.48	46.18	47.20	53.38	62.23	60.03	57.03	66.53	68.90	54.64	87.71	73.49	63.74	60.50	61.53	46.66	37.91	42.45
	-3.95	-3.25	-4.06	-3.66	-3.79	-3.59	-4.68	-4.18	-3.98	-4.16	-4.73	-4.78	-5.87	-8.03	-8.02	-5.62	-8.78	-7.30	-5.62	-5.26	-5.69	-4.27	-1.56	-2.66
	2.96	1.33	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	-1.86	-0.75	-4.15	0.00	0.00	0.00	-1.19	9.98	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	47.12	42.45	38.05	36.75	39.24	40.42	42.77	48.03	49.43	56.82	67.32	65.01	63.50	73.63	76.67	73.33	101.33	85.71	68.13	65.41	66.93	59.31	42.69	46.88
	1.19	0.58	0.17	-3.12	-3.25	-3.01	0.75	-2.34	-1.75	-0.72	0.36	0.20	0.58	-0.93	-0.25	-0.28	-0.29	4.92	-1.22	-0.34	-0.30	3.28	3.07	1.61
	2.96	1.33	6.46	0.00	0.00	0.00	3.80	0.00	0.00	0.00	0.00	0.00	-0.03	0.00	0.00	-15.21	-5.87	-4.15	0.00	0.00	0.00	-6.29	9.83	2.45
	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	44.62	40.20	40.51	36.81	39.36	40.51	47.63	47.36	48.60	55.21	64.73	62.43	59.79	69.65	72.04	57.44	91.73	74.23	65.99	62.74	63.88	57.11	42.78	43.38
	-3.64	-3.27	-3.39	-3.06	-3.13	-2.92	-3.53	-3.00	-2.58	-2.33	-2.23	-2.38	-3.11	-4.91	-4.88	-3.22	-4.93	-4.12	-3.36	-3.01	-3.35	-2.98	-0.80	-1.72
	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	-2.26	-0.91	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