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: 10/31/2008

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	39.20	61.01	58.79	54.14	55.77	59.07	54.30	56.69	44.02	51.91	52.23	54.44	45.07	72.50	88.26	60.08	54.45	45.48	61.93	43.96	76.98	75.58	35.84	54.56
	1.61	0.68	0.53	0.35	1.85	2.21	2.22	2.50	1.73	2.25	2.39	1.88	1.78	1.36	1.14	1.11	0.96	1.21	1.24	1.41	1.08	1.59	1.69	2.39
	0.00	-45.02	-46.44	-46.05	-12.03	0.00	0.00	0.00	-5.93	0.00	-0.45	-14.47	-5.89	-41.09	-60.97	-32.67	-30.58	-14.76	-31.80	-9.23	-49.62	-42.15	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	37.90	20.69	17.41	13.26	43.26	57.10	52.35	53.78	36.13	49.30	49.01	37.88	37.02	30.94	27.79	27.11	23.67	29.80	29.74	34.37	32.18	36.47	33.81	51.01
	0.30	0.05	0.06	0.03	-0.07	0.24	0.27	-0.41	-0.42	-0.35	-0.39	-0.49	-0.56	-0.35	-0.20	-0.17	-0.16	-0.15	-0.12	-0.04	0.04	-0.34	-0.35	-1.16
	0.00	-5.33	-5.53	-5.48	-1.43	0.00	0.00	0.00	-0.18	0.00	-0.01	-0.28	-0.18	-1.24	-1.83	-0.97	-0.91	-0.45	-0.96	-1.09	-5.86	-4.97	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	39.98	50.56	47.94	43.30	53.58	60.35	55.56	58.21	43.83	53.77	53.83	52.49	45.05	64.40	75.61	53.82	48.53	43.40	55.99	42.95	65.96	66.22	36.61	55.53
	2.39	0.98	0.75	0.49	2.53	3.48	3.48	4.02	2.83	4.12	4.09	3.15	3.07	2.33	1.91	2.02	1.75	2.37	2.27	2.63	2.06	2.43	2.45	3.36
	0.00	-34.28	-35.37	-35.07	-9.16	0.00	0.00	0.00	-4.64	0.00	-0.35	-11.25	-4.58	-32.01	-47.54	-25.49	-23.86	-11.52	-24.83	-7.00	-37.61	-31.95	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	36.67	18.83	15.56	11.57	41.63	55.44	50.58	52.17	34.99	47.46	47.14	36.49	35.78	29.69	26.64	26.22	22.89	28.81	28.60	32.81	29.69	33.89	32.59	48.96
	-0.92	-0.40	-0.31	-0.19	-1.31	-1.43	-1.50	-2.02	-1.49	-2.20	-2.25	-1.67	-1.74	-1.18	-0.73	-0.73	-0.63	-0.99	-0.92	-1.32	-0.92	-1.63	-1.57	-3.21
	0.00	-3.93	-4.05	-4.01	-1.05	0.00	0.00	0.00	-0.12	0.00	0.00	-0.07	-0.12	-0.81	-1.21	-0.65	-0.61	-0.29	-0.63	-0.81	-4.34	-3.68	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	37.59	15.31	11.82	7.75	41.90	30.17	45.17	34.18	36.36	49.65	49.39	38.09	37.40	30.05	26.16	34.68	22.91	29.51	28.89	33.32	26.28	31.69	34.02	52.22
	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	0.00	0.00	0.00	0.00	0.00	0.00	-0.15	-0.14	0.06
	0.00	0.00	0.00	0.00	0.00	-5.65	2.10	16.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.14	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	39.98	50.16	47.55	42.93	53.57	60.53	55.70	58.22	43.71	53.58	53.59	52.24	44.86	64.11	75.26	53.56	48.29	43.21	55.75	42.78	65.61	65.92	36.50	55.39
	2.38	0.99	0.76	0.50	2.62	3.66	3.62	4.02	2.76	3.93	3.85	2.97	2.91	2.20	1.82	1.91	1.65	2.24	2.16	2.50	1.95	2.33	2.35	3.22
	0.00	-33.87	-34.97	-34.68	-9.06	0.00	0.00	0.00	-4.59	0.00	-0.35	-11.17	-4.55	-31.85	-47.28	-25.34	-23.73	-11.45	-24.70	-6.96	-37.38	-31.75	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	41.07	50.94	48.21	43.49	54.57	61.57	56.62	59.39	44.57	54.91	54.79	53.33	45.85	64.92	75.95	54.34	49.04	44.07	56.60	43.64	66.68	67.04	40.75	57.61
	3.48	1.33	1.00	0.65	3.51	4.70	4.55	5.20	3.57	5.26	5.05	3.98	3.86	2.83	2.22	2.53	2.24	3.03	2.86	3.31	2.75	3.23	3.63	5.17
	0.00	-34.30	-35.39	-35.09	-9.16	0.00	0.00	0.00	-4.64	0.00	-0.35	-11.26	-4.59	-32.04	-47.57	-25.51	-23.88	-11.53	-24.85	-7.00	-37.64	-31.97	-2.97	-0.27
	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	37.94	20.73	17.47	13.31	43.63	57.63	53.03	55.14	37.44	50.42	50.25	39.79	38.47	34.20	32.01	29.47	25.70	30.98	31.91	34.64	32.21	37.34	34.80	52.88
	0.35	0.11	0.07	0.04	0.29	0.77	0.95	0.95	0.50	0.76	0.82	0.52	0.51	0.35	0.32	0.24	0.12	0.19	0.25	0.30	0.30	0.66	0.65	0.71
	0.00	-5.32	-5.58	-5.52	-1.44	0.00	0.00	0.00	-0.58	0.00	-0.04	-1.18	-0.56	-3.79	-5.53	-2.91	-2.67	-1.29	-2.77	-1.02	-5.63	-4.85	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	39.94	50.70	48.08	43.45	53.59	60.32	55.58	58.21	43.83	53.69	53.76	52.49	45.01	64.56	75.87	53.93	48.63	43.41	56.11	42.97	66.17	66.39	36.54	55.42
	2.35	0.97	0.73	0.48	2.50	3.45	3.50	4.02	2.82	4.04	4.01	3.08	3.00	2.28	1.87	1.97	1.71	2.32	2.23	2.59	2.02	2.37	2.39	3.25
	0.00	-34.43	-35.53	-35.23	-9.20	0.00	0.00	0.00	-4.66	0.00	-0.35	-11.32	-4.61	-32.22	-47.84	-25.65	-24.01	-11.59	-24.99	-7.05	-37.88	-32.17	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	40.12	50.63	47.98	43.34	53.69	60.50	55.74	58.52	44.08	54.18	54.22	52.79	45.36	64.64	75.84	54.05	48.71	43.63	56.19	43.19	66.15	66.42	36.75	55.77
	2.53	1.03	0.77	0.51	2.63	3.63	3.66	4.32	3.08	4.52	4.48	3.44	3.37	2.55	2.11	2.23	1.92	2.60	2.46	2.87	2.23	2.61	2.60	3.60
	0.00	-34.30	-35.39	-35.09	-9.16	0.00	0.00	0.00	-4.64	0.00	-0.35	-11.26	-4.58	-32.03	-47.56	-25.50	-23.88	-11.52	-24.84	-7.00	-37.64	-31.97	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	33.58	11.62	8.37	4.77	36.85	51.26	46.06	47.38	31.11	43.09	43.97	32.11	32.18	24.03	20.21	21.40	18.30	24.70	23.21	28.12	20.92	29.89	34.15	52.46
	-4.01	-1.70	-1.40	-0.95	-4.52	-5.61	-6.02	-6.81	-5.00	-6.56	-5.40	-5.34	-4.96	-4.23	-3.14	-3.36	-3.17	-4.11	-4.19	-4.84	-3.15	-0.05	-0.01	0.30
	0.00	1.98	2.05	2.03	0.53	0.00	0.00	0.00	0.26	0.00	0.02	0.63	0.26	1.80	2.81	1.55	1.45	0.70	1.49	0.36	2.20	1.89	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	39.53	56.82	43.00	49.77	55.03	59.00	55.00	56.23	43.60	52.10	52.44	53.50	44.94	69.12	83.06	64.99	51.98	44.47	59.37	43.40	72.36	71.63	35.96	54.73
	1.94	0.85	1.59	0.43	2.27	1.33	2.34	2.40	1.83	2.45	2.64	2.26	2.18	1.72	1.44	1.76	1.23	1.52	1.51	1.76	1.38	1.82	1.80	2.56
	0.00	-40.65	-12.49	-41.59	-10.86	-33.15	-5.40	-3.65	-5.40	0.00	-0.41	-13.15	-5.36	-37.35	-55.46	-30.69	-27.84	-13.44	-28.96	-8.32	-44.70	-37.97	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	34.98	18.85	15.76	11.95	39.87	30.93	40.79	38.32	32.12	43.36	43.06	33.48	32.83	27.58	25.12	32.09	21.59	26.92	26.67	30.37	28.56	32.18	30.42	45.70
	-2.61	-1.07	-0.81	-0.51	-3.26	-2.36	-5.23	-5.89	-4.38	-6.29	-6.33	-4.69	-4.70	-3.43	-2.45	-3.32	-2.03	-2.94	-2.97	-3.90	-2.81	-3.98	-3.73	-6.47
	0.00	-4.61	-4.76	-4.72	-1.23	-8.77	1.25	5.98	-0.14	0.00	0.00	-0.08	-0.14	-0.95	-1.42	-2.87	-0.71	-0.34	-0.74	-0.95	-5.09	-4.32	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

PJM 61847	55.00	38.80	36.31	32.18	47.33	47.30	51.17	50.20	36.72	46.79	46.62	42.55	37.27	48.77	55.72	51.41	37.32	35.68	43.74	36.61	52.23	52.58	32.00	42.88
	0.95	-0.63	-0.41	-0.25	-1.01	0.81	1.55	0.75	-2.65	-2.87	-3.00	-2.91	-3.15	-2.41	-1.80	0.58	-1.34	-1.43	-1.53	-1.73	-1.04	-2.19	-2.16	-1.13
	-10.18	-24.13	-24.90	-24.69	-6.45	-21.97	-2.35	0.73	-3.00	0.00	-0.23	-7.37	-3.02	-21.12	-31.36	-18.29	-15.75	-7.60	-16.38	-5.02	-26.99	-22.93	0.00	6.32
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

WEST 61752	35.64	19.69	16.58	12.70	40.78	53.58	48.09	49.22	33.01	44.82	44.52	34.55	33.62	28.28	25.80	25.27	22.14	27.65	27.45	31.37	29.91	33.50	31.14	46.71
	-1.95	-0.83	-0.61	-0.37	-2.50	-3.29	-3.99	-4.97	-3.51	-4.83	-4.88	-3.80	-3.93	-2.85	-1.97	-1.90	-1.58	-2.24	-2.28	-3.02	-2.12	-3.22	-3.01	-5.46
	0.00	-5.21	-5.37	-5.32	-1.39	0.00	0.00	0.00	-0.15	0.00	-0.01	-0.26	-0.15	-1.08	-1.61	-0.86	-0.80	-0.39	-0.84	-1.07	-5.76	-4.89	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