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: 10/25/2008

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	59.14	42.32	78.80	51.41	49.61	107.25	73.61	54.73	75.56	84.37	77.80	80.19	89.42	75.18	47.36	82.54	66.08	90.16	73.38	44.95	50.73	96.00	101.79	38.73
	2.34	1.20	-0.50	0.51	1.48	-1.18	-2.09	0.89	1.18	1.66	2.46	3.26	1.74	0.93	1.35	0.90	0.98	0.95	1.79	1.82	1.65	0.93	0.75	1.06
	0.00	-10.68	-91.27	-38.63	-12.86	-135.86	-125.81	-33.52	-48.61	-46.42	-19.87	-2.78	-48.12	-51.50	-12.49	-60.23	-41.43	-66.71	-31.24	0.00	-11.87	-73.85	-82.87	-11.31
	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	56.66	31.66	-1.12	16.83	36.69	-11.41	-35.09	24.24	31.46	41.68	57.56	74.02	44.97	28.66	34.86	28.43	28.45	30.25	43.85	43.07	38.48	29.79	27.80	27.58
	-0.14	-0.05	0.06	-0.01	-0.10	0.04	0.18	-0.04	-0.03	-0.06	-0.24	-0.45	-0.23	-0.11	-0.11	-0.06	-0.08	-0.06	-0.15	-0.05	-0.11	-0.06	-0.08	-0.10
	0.00	-1.26	-10.78	-4.57	-1.52	-15.98	-14.84	-3.95	-5.72	-5.44	-2.33	-0.33	-5.63	-6.02	-1.46	-7.08	-4.86	-7.81	-3.65	0.00	-1.39	-8.63	-9.71	-1.33
	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	60.08	40.27	57.20	42.45	46.94	75.10	43.42	47.03	64.29	73.74	73.66	80.46	78.51	63.35	45.07	68.62	56.71	74.78	66.80	45.82	48.55	78.98	82.58	36.52
	3.27	1.66	-0.63	0.63	1.83	-1.40	-2.70	1.09	1.38	2.00	3.02	4.19	2.21	1.27	2.01	1.20	1.39	1.31	2.58	2.70	2.27	1.31	1.06	1.51
	0.00	-8.16	-69.79	-29.55	-9.84	-103.93	-96.22	-25.62	-37.15	-35.44	-15.17	-2.13	-36.75	-39.33	-9.54	-46.02	-31.64	-50.95	-23.88	0.00	-9.08	-56.45	-63.36	-8.66
	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	55.37	30.69	-3.63	15.38	35.35	-14.75	-37.95	22.70	29.35	39.37	55.57	72.00	42.63	26.66	33.43	26.07	26.54	27.61	41.45	41.51	36.82	26.87	24.88	26.40
	-1.43	-0.70	0.22	-0.33	-1.07	0.61	0.98	-0.59	-0.74	-1.06	-1.67	-2.39	-1.21	-0.67	-1.19	-0.69	-0.82	-0.83	-1.68	-1.61	-1.44	-0.93	-0.66	-0.96
	0.00	-0.95	-8.11	-3.43	-1.14	-12.07	-11.18	-2.98	-4.32	-4.13	-1.77	-0.25	-4.28	-4.58	-1.11	-5.36	-3.68	-5.93	-2.78	0.00	-1.06	-6.57	-7.38	-1.01
	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	56.80	30.44	-11.96	12.27	35.27	52.23	-50.11	20.32	25.77	36.30	55.47	74.14	39.56	22.75	33.52	21.40	23.67	30.92	40.35	43.12	37.20	21.23	18.16	26.36
	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	0.00	0.00	0.00	0.00	-3.74	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.92	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	59.93	40.17	57.26	42.44	46.86	75.28	43.68	47.03	64.31	73.73	73.56	80.27	78.44	63.32	44.95	68.59	56.64	74.78	66.67	45.64	48.39	78.97	82.63	36.44
	3.13	1.56	-0.59	0.61	1.74	-1.34	-2.58	1.05	1.33	1.93	2.89	3.99	2.09	1.20	1.89	1.14	1.30	1.23	2.41	2.52	2.09	1.19	0.98	1.42
	0.00	-8.17	-69.81	-29.57	-9.85	-104.06	-96.37	-25.66	-37.21	-35.50	-15.20	-2.13	-36.79	-39.37	-9.55	-46.05	-31.67	-51.05	-23.92	0.00	-9.10	-56.55	-63.49	-8.66
	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	62.07	43.77	56.95	42.83	47.85	74.75	43.02	47.25	64.65	74.43	74.29	81.48	79.12	63.76	45.76	69.01	57.18	75.27	67.71	46.65	49.41	79.65	82.98	37.05
	5.27	2.75	-0.97	0.97	2.73	-1.88	-3.22	1.28	1.69	2.64	3.63	5.21	2.76	1.63	2.69	1.53	1.83	1.74	3.45	3.53	3.12	1.90	1.38	2.03
	0.00	-10.57	-69.88	-29.59	-9.85	-104.07	-96.35	-25.65	-37.19	-35.49	-15.19	-2.13	-36.79	-39.37	-9.55	-46.07	-31.68	-51.02	-23.90	0.00	-9.09	-56.52	-63.44	-8.67
	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	57.45	31.82	-1.67	16.68	36.94	-12.36	-36.19	24.12	31.24	41.56	58.16	75.25	45.16	28.57	35.29	28.14	28.48	30.09	44.26	43.67	38.92	29.61	27.48	27.88
	0.65	0.18	-0.03	0.06	0.24	-0.09	0.00	0.14	0.24	0.32	0.58	0.81	0.45	0.29	0.44	0.27	0.28	0.28	0.51	0.54	0.42	0.29	0.20	0.27
	0.00	-1.20	-10.32	-4.35	-1.44	-15.16	-13.92	-3.66	-5.23	-4.94	-2.11	-0.30	-5.14	-5.53	-1.34	-6.46	-4.52	-7.31	-3.41	0.00	-1.30	-8.10	-9.12	-1.26
	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	59.91	40.26	57.83	42.67	46.93	76.04	44.34	47.22	64.58	74.04	73.77	80.43	78.78	63.65	45.09	68.99	56.93	75.18	66.92	45.73	48.52	79.33	82.98	36.51
	3.11	1.58	-0.59	0.60	1.74	-1.34	-2.60	1.06	1.35	1.98	2.99	4.14	2.16	1.24	1.96	1.17	1.35	1.27	2.50	2.61	2.17	1.24	1.01	1.44
	0.00	-8.23	-70.39	-29.80	-9.92	-104.82	-97.04	-25.84	-37.47	-35.76	-15.31	-2.15	-37.07	-39.66	-9.62	-46.41	-31.91	-51.40	-24.08	0.00	-9.15	-56.87	-63.82	-8.72
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

N.Y.C. 61761	60.32	40.35	57.26	42.50	47.02	75.13	43.29	47.11	64.39	73.87	73.87	80.73	78.71	63.49	45.23	68.76	56.84	74.92	67.02	46.01	48.74	79.12	82.72	36.63
	3.52	1.74	-0.64	0.65	1.91	-1.47	-2.93	1.15	1.44	2.10	3.21	4.46	2.36	1.38	2.17	1.29	1.50	1.41	2.77	2.89	2.45	1.39	1.13	1.61
	0.00	-8.17	-69.86	-29.58	-9.85	-104.04	-96.32	-25.65	-37.18	-35.48	-15.19	-2.13	-36.78	-39.36	-9.55	-46.06	-31.67	-51.00	-23.90	0.00	-9.09	-56.50	-63.42	-8.66
	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	52.80	28.16	-13.49	10.51	33.08	-28.74	-49.22	18.18	22.92	32.39	51.31	69.18	35.97	20.17	31.41	18.69	21.16	19.24	36.52	39.53	33.95	18.03	15.05	24.76
	-4.00	-2.00	0.87	-0.74	-1.85	2.26	4.19	-1.26	-1.57	-2.70	-3.65	-4.89	-2.32	-1.22	-1.78	-1.14	-1.43	-1.52	-3.01	-3.59	-2.94	-1.25	-0.94	-1.30
	0.00	0.28	2.39	1.01	0.34	3.57	3.30	0.88	1.27	1.22	0.52	0.07	1.27	1.35	0.33	1.58	1.08	1.75	0.82	0.00	0.31	1.95	2.18	0.30
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

NPX 61845	45.00	41.35	70.72	48.01	48.48	55.00	62.50	51.72	71.16	80.06	75.83	79.71	84.99	70.53	46.15	77.11	62.31	60.00	70.41	71.00	49.55	89.44	94.50	37.79
	1.58	1.18	-0.51	0.51	1.48	2.03	-2.11	0.86	1.11	1.50	2.27	3.03	1.63	0.90	1.26	0.85	0.92	1.07	1.60	1.57	1.53	0.92	0.81	1.11
	4.87	-9.73	-83.20	-35.23	-11.73	-4.48	-114.72	-30.54	-44.28	-42.25	-18.09	-2.54	-43.81	-46.88	-11.37	-54.85	-37.72	-30.93	-28.46	-27.83	-10.82	-67.29	-75.53	-10.32
	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	53.27	29.90	-1.93	15.60	34.40	49.09	-34.54	22.21	28.61	37.86	52.39	67.33	40.87	26.05	31.46	25.70	25.71	31.60	38.90	38.28	34.36	26.53	39.20	25.33
	-3.53	-1.65	0.53	-0.69	-2.21	-3.21	2.46	-1.60	-2.22	-3.28	-5.16	-7.11	-3.70	-2.07	-3.35	-1.98	-2.27	-2.52	-4.70	-4.84	-4.08	-2.39	-4.13	-2.20
	0.00	-1.11	-9.51	-4.03	-1.34	-3.83	-13.11	-3.49	-5.06	-4.83	-2.07	-0.29	-5.01	-5.36	-1.30	-6.27	-4.31	-6.12	-3.25	0.00	-1.24	-7.69	-4.51	-1.18
	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	53.89	34.77	38.98	33.00	40.74	53.44	22.03	37.62	50.92	59.43	63.26	70.59	63.02	55.00	38.89	53.03	44.79	48.00	55.40	40.25	41.31	60.67	62.80	31.41
	-2.91	-1.54	0.79	-0.51	-1.60	0.76	2.98	-1.11	-1.54	-2.34	-3.12	-5.09	-2.95	0.09	-1.48	-1.45	-1.63	0.19	-2.10	-2.87	-2.41	-1.12	-0.90	-1.16
	0.00	-5.87	-50.16	-21.24	-7.07	-4.19	-69.16	-18.41	-26.70	-25.47	-10.90	-1.53	-26.41	-15.02	-6.86	-33.07	-22.74	-19.81	-17.16	0.00	-6.52	-40.57	-45.54	-6.22
	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	53.84	30.31	-0.74	16.27	34.99	-10.27	-33.27	22.98	29.68	39.09	53.62	68.75	42.18	27.09	32.25	26.87	26.69	28.47	40.17	39.15	35.28	28.02	26.53	25.90
	-2.96	-1.39	0.48	-0.54	-1.79	1.20	2.05	-1.28	-1.81	-2.67	-4.19	-5.73	-3.04	-1.72	-2.74	-1.62	-1.85	-1.88	-3.86	-3.97	-3.31	-1.89	-1.38	-1.79
	0.00	-1.26	-10.74	-4.55	-1.51	-15.97	-14.79	-3.94	-5.72	-5.46	-2.34	-0.33	-5.66	-6.06	-1.47	-7.08	-4.87	-7.84	-3.67	0.00	-1.40	-8.69	-9.75	-1.33
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N