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: 10/26/2008

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	56.80	40.88	101.41	48.73	53.67	62.22	49.38	47.19	49.21	65.21	74.61	91.89	72.92	51.92	49.33	77.83	74.10	76.83	69.73	48.69	47.73	54.36	76.20	63.75
	0.03	-1.19	-6.76	0.07	-0.04	-0.04	0.44	0.22	0.14	0.83	0.89	0.62	0.32	0.10	0.43	0.47	0.69	0.64	1.50	0.88	0.80	0.76	0.97	0.71
	-56.05	-71.15	-277.01	-46.97	-54.62	-63.28	-37.56	-41.39	-45.74	-45.72	-51.44	-75.62	-63.98	-49.13	-36.85	-64.68	-55.07	-59.22	-31.44	-25.32	-26.25	-33.78	-49.03	-45.30
	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	7.32	-20.64	-135.68	7.27	5.57	6.49	15.80	10.45	8.71	24.03	28.31	24.52	16.11	8.46	16.33	20.26	24.76	23.86	40.31	25.41	23.70	23.70	31.88	23.01
	0.00	0.03	0.32	-0.01	0.00	0.00	-0.02	-0.01	-0.01	-0.04	-0.04	-0.03	-0.02	-0.01	-0.04	-0.02	-0.03	-0.05	-0.16	-0.04	-0.05	-0.07	-0.07	-0.07
	-6.59	-8.41	-32.85	-5.58	-6.48	-7.50	-4.45	-4.88	-5.40	-5.40	-6.07	-8.89	-7.52	-5.77	-4.33	-7.60	-6.46	-6.93	-3.68	-2.96	-3.08	-3.96	-5.76	-5.33
	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	43.68	23.78	33.89	37.78	40.89	47.41	40.78	37.57	38.50	54.65	62.92	74.40	58.06	40.42	41.00	62.94	61.64	63.37	63.26	43.34	42.09	46.97	65.33	53.39
	0.04	-1.65	-9.46	0.09	-0.05	-0.05	0.63	0.30	0.19	1.05	1.34	0.96	0.54	0.17	0.78	0.77	1.17	1.09	2.42	1.51	1.36	1.35	1.66	0.98
	-42.92	-54.51	-212.19	-35.99	-41.86	-48.48	-28.76	-31.68	-34.99	-34.94	-39.30	-57.79	-48.91	-37.56	-28.19	-49.48	-42.14	-45.31	-24.05	-19.35	-20.05	-25.81	-37.48	-34.65
	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	5.68	-21.82	-138.85	5.81	3.98	4.66	14.33	9.08	7.27	21.98	25.91	21.74	13.97	6.96	14.84	17.96	22.52	21.60	38.02	23.78	22.16	21.82	29.43	21.20
	-0.03	0.93	5.36	-0.07	0.04	0.04	-0.39	-0.19	-0.12	-0.76	-0.96	-0.64	-0.35	-0.10	-0.49	-0.48	-0.71	-0.65	-1.57	-0.95	-0.86	-1.00	-1.12	-0.58
	-4.99	-6.33	-24.64	-4.18	-4.86	-5.63	-3.34	-3.68	-4.07	-4.07	-4.58	-6.74	-5.70	-4.37	-3.28	-5.75	-4.90	-5.27	-2.80	-2.25	-2.34	-3.01	-4.36	-4.03
	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	0.72	23.00	-168.84	1.70	-0.92	1.21	11.38	5.58	3.32	18.67	22.29	15.65	8.61	2.69	12.04	12.69	18.34	27.09	12.63	22.48	20.68	28.44	26.19	17.75
	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
	0.00	-4.86	0.00	0.00	0.00	-2.12	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-5.90	1.09	0.00	0.00	-9.09	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	43.69	23.91	34.55	37.82	40.93	47.46	40.80	37.60	38.54	54.69	62.93	74.42	58.08	40.44	40.97	62.92	61.60	63.34	63.17	43.28	42.02	46.88	65.20	53.31
	0.04	-1.54	-8.95	0.09	-0.05	-0.05	0.62	0.31	0.18	1.03	1.30	0.92	0.52	0.17	0.73	0.74	1.11	1.03	2.31	1.43	1.28	1.26	1.54	0.91
	-42.93	-54.53	-212.35	-36.03	-41.90	-48.53	-28.80	-31.72	-35.03	-34.99	-39.35	-57.84	-48.95	-37.59	-28.20	-49.50	-42.15	-45.33	-24.07	-19.36	-20.06	-25.81	-37.47	-34.65
	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	43.75	23.29	31.29	37.86	40.93	47.46	40.95	37.64	38.57	54.78	63.28	74.77	58.29	40.53	41.34	63.28	62.15	63.95	64.10	43.89	42.72	47.54	66.01	53.81
	0.05	-2.20	-12.33	0.12	-0.07	-0.07	0.77	0.33	0.21	1.13	1.65	1.25	0.71	0.23	1.08	1.06	1.62	1.61	3.23	2.03	1.96	1.89	2.30	1.36
	-42.98	-54.57	-212.47	-36.04	-41.92	-48.54	-28.80	-31.72	-35.03	-34.98	-39.35	-57.86	-48.97	-37.61	-28.22	-49.54	-42.19	-45.37	-24.08	-19.38	-20.08	-25.84	-37.52	-34.70
	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	6.98	-21.25	-138.43	7.06	5.29	6.20	15.72	10.30	8.53	24.08	28.33	24.26	15.75	8.04	16.10	19.68	24.35	23.30	40.31	25.29	23.61	23.58	31.69	22.87
	0.00	-0.18	-1.01	0.01	0.00	-0.01	0.07	0.03	0.03	0.22	0.23	0.14	0.09	0.02	0.10	0.11	0.14	0.08	0.25	0.13	0.13	0.15	0.19	0.09
	-6.25	-8.01	-31.42	-5.35	-6.22	-7.22	-4.27	-4.69	-5.18	-5.19	-5.82	-8.46	-7.05	-5.33	-3.96	-6.89	-5.88	-6.24	-3.27	-2.68	-2.80	-3.62	-5.31	-5.02
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

MILLWD 61759	43.98	24.27	35.96	38.04	41.21	47.78	40.97	37.81	38.78	54.92	63.21	74.85	58.45	40.72	41.20	63.30	61.92	63.69	63.38	43.45	42.20	47.12	65.55	53.61
	0.04	-1.56	-8.95	0.09	-0.05	-0.05	0.61	0.30	0.18	1.02	1.30	0.92	0.52	0.17	0.74	0.75	1.12	1.05	2.35	1.46	1.31	1.30	1.59	0.94
	-43.22	-54.91	-213.75	-36.26	-42.17	-48.85	-28.98	-31.93	-35.28	-35.23	-39.63	-58.26	-49.31	-37.86	-28.41	-49.87	-42.46	-45.66	-24.24	-19.51	-20.21	-26.01	-37.77	-34.92
	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	43.73	23.74	33.78	37.83	40.94	47.46	40.83	37.61	38.54	54.73	63.01	74.49	58.14	40.48	41.08	63.04	61.75	63.48	63.47	43.46	42.21	47.11	65.51	53.50
	0.04	-1.74	-9.79	0.10	-0.05	-0.05	0.66	0.32	0.19	1.09	1.38	0.99	0.57	0.18	0.83	0.82	1.24	1.15	2.61	1.60	1.46	1.46	1.80	1.06
	-42.97	-54.56	-212.41	-36.03	-41.91	-48.53	-28.79	-31.71	-35.02	-34.97	-39.34	-57.85	-48.96	-37.60	-28.22	-49.53	-42.18	-45.35	-24.08	-19.37	-20.07	-25.83	-37.51	-34.69
	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	-0.80	-29.02	-165.97	0.37	-2.30	-2.64	9.62	4.11	1.92	16.42	19.47	12.56	6.43	1.25	10.41	10.28	15.78	14.28	33.45	19.75	18.47	17.75	23.46	15.62
	-0.05	1.94	10.16	-0.09	0.06	0.04	-0.77	-0.38	-0.21	-1.05	-1.47	-1.11	-0.51	-0.15	-0.67	-0.71	-1.11	-1.14	-2.52	-2.06	-1.51	-1.17	-1.44	-0.95
	1.47	1.87	7.29	1.24	1.44	1.67	0.99	1.09	1.20	1.20	1.35	1.98	1.68	1.29	0.97	1.69	1.45	1.55	0.82	0.66	0.69	0.89	1.29	1.19
	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	51.92	51.00	76.54	44.69	48.95	51.00	46.15	43.59	45.17	61.11	70.05	85.19	67.27	47.58	46.12	72.20	69.32	66.00	78.40	46.41	45.40	65.00	72.01	59.88
	0.03	0.78	-7.60	0.07	-0.04	-0.04	0.48	0.23	0.14	0.79	0.91	0.64	0.35	0.11	0.48	0.53	0.75	0.83	0.55	0.86	0.82	0.77	1.14	0.81
	-51.17	-32.07	-252.99	-42.91	-49.91	-51.95	-34.29	-37.77	-41.71	-41.65	-46.85	-68.90	-58.31	-44.78	-33.60	-58.98	-50.23	-43.99	-64.14	-23.07	-23.91	-44.87	-44.68	-41.32
	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	6.51	25.00	-129.36	6.48	4.86	6.97	14.49	9.48	7.80	21.57	25.28	21.90	14.40	7.54	14.66	18.17	22.19	29.31	18.49	22.36	21.04	30.50	28.61	21.14
	-0.05	-1.12	10.57	-0.13	0.07	0.07	-0.81	-0.42	-0.29	-1.86	-2.36	-1.63	-0.88	-0.27	-1.22	-1.25	-1.88	-2.13	-1.59	-2.76	-2.37	-2.03	-2.69	-1.34
	-5.85	-7.97	-28.91	-4.90	-5.70	-7.81	-3.92	-4.32	-4.77	-4.76	-5.35	-7.87	-6.66	-5.12	-3.84	-6.74	-5.74	-10.25	-6.37	-2.64	-2.73	-13.18	-5.11	-4.72
	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	31.56	39.55	-8.42	27.51	29.20	31.23	31.62	28.06	28.34	42.75	49.32	56.34	43.26	29.55	31.60	47.59	47.73	50.50	52.24	35.38	33.94	60.00	51.90	43.00
	-0.01	0.15	7.92	-0.06	0.03	-0.02	-0.43	-0.29	-0.13	-1.03	-1.21	-0.85	-0.50	-0.14	-0.70	-0.65	-0.89	0.46	0.30	-1.01	-1.15	0.27	-1.22	0.61
	-30.85	-21.27	-152.50	-25.87	-30.09	-32.16	-20.67	-22.77	-25.15	-25.11	-28.24	-41.53	-35.15	-26.99	-20.26	-35.56	-30.28	-28.86	-38.23	-13.91	-14.41	-40.37	-26.93	0.25
	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	7.28	-19.28	-127.91	7.12	5.55	6.47	15.16	10.10	8.45	22.52	26.42	23.22	15.41	8.24	15.36	19.27	23.33	22.51	36.90	23.20	21.90	21.88	29.85	22.00
	-0.04	1.43	8.38	-0.10	0.05	0.06	-0.63	-0.34	-0.24	-1.52	-1.91	-1.31	-0.72	-0.22	-1.01	-1.01	-1.48	-1.43	-3.59	-2.25	-1.87	-1.91	-2.11	-1.08
	-6.60	-8.37	-32.56	-5.52	-6.42	-7.43	-4.41	-4.87	-5.38	-5.37	-6.04	-8.89	-7.52	-5.77	-4.33	-7.60	-6.47	-6.96	-3.69	-2.97	-3.08	-3.97	-5.76	-5.32
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N