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: 10/24/2008

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	153.24	147.09	55.08	69.86	87.45	64.26	80.36	90.44	59.28	69.53	94.72	94.89	112.07	88.07	63.37	70.72	84.68	106.06	92.47	65.56	50.60	100.65	196.46	104.03
	-3.12	-7.67	2.22	1.84	1.04	0.71	3.47	3.90	2.08	3.11	1.55	1.87	1.84	2.55	2.49	2.53	1.85	2.68	2.72	2.61	2.05	2.58	0.87	1.46
	-218.98	-311.80	-5.90	-30.07	-64.90	-49.27	0.00	0.00	-13.61	-0.11	-61.31	-53.06	-70.62	-29.34	-1.45	-6.93	-38.74	-40.82	-29.95	0.00	0.00	-40.95	-177.95	-70.82
	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	-36.88	-120.67	47.73	41.58	29.32	20.27	77.63	87.65	45.63	66.82	39.25	46.39	48.03	59.60	59.59	61.96	48.66	67.43	63.32	63.34	48.69	61.92	38.51	40.07
	-0.02	-0.52	0.08	0.07	0.10	0.12	0.74	1.11	0.43	0.49	0.21	0.24	0.17	0.03	0.00	-0.11	0.03	0.06	0.00	0.38	0.14	-0.02	-0.04	-0.03
	-25.75	-36.89	-0.70	-3.57	-7.72	-5.87	0.00	0.00	-1.61	-0.01	-7.17	-6.19	-8.25	-3.39	-0.17	-0.81	-4.54	-4.80	-3.52	0.00	0.00	-4.82	-20.92	-8.35
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

DUNWOD 61760	102.34	74.67	53.58	62.72	72.25	52.77	80.49	90.46	56.34	70.05	80.55	82.92	95.98	81.86	64.13	70.09	76.38	97.49	86.31	66.55	51.35	91.93	155.55	87.98
	-2.92	-7.36	2.10	1.70	0.95	0.70	3.60	3.91	2.33	3.65	1.74	2.32	2.26	3.20	3.59	3.51	2.61	3.70	3.60	3.59	2.80	3.28	0.91	1.68
	-167.86	-239.06	-4.53	-23.07	-49.79	-37.80	0.00	0.00	-10.43	-0.08	-46.95	-40.64	-54.11	-22.48	-1.11	-5.31	-29.68	-31.23	-22.90	0.00	0.00	-31.53	-137.01	-54.56
	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	-41.60	-126.69	46.56	39.87	26.89	18.33	76.18	86.45	44.26	65.47	36.65	43.62	44.80	57.54	58.02	60.50	46.45	64.72	61.12	62.09	47.76	59.52	33.01	37.24
	1.51	2.61	-0.91	-0.75	-0.39	-0.34	-0.71	-0.09	-0.50	-0.85	-0.48	-0.89	-0.86	-1.16	-1.55	-1.37	-1.07	-1.45	-1.33	-0.87	-0.79	-1.24	-0.44	-0.80
	-19.50	-27.74	-0.52	-2.67	-5.77	-4.38	0.00	0.00	-1.17	-0.01	-5.26	-4.55	-6.06	-2.52	-0.13	-0.61	-3.43	-3.61	-2.65	0.00	0.00	-3.64	-15.81	-6.30
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

H Q 61844	-62.61	-157.04	46.95	37.95	21.51	32.98	19.94	-922.60	43.59	66.31	31.86	39.96	39.61	56.18	59.43	61.26	44.09	62.56	59.80	62.95	48.55	88.46	17.63	31.75
	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	0.00	0.00	0.00	0.00	9.67	24.88	992.79	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	-32.00	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	101.10	72.22	53.75	62.71	71.98	52.46	80.72	90.69	56.30	70.00	80.25	82.62	95.58	81.64	63.99	69.89	76.06	97.16	86.07	66.56	51.39	91.75	154.67	87.66
	-2.96	-7.85	2.30	1.88	1.06	0.66	3.82	4.15	2.34	3.60	1.73	2.28	2.22	3.14	3.46	3.35	2.49	3.58	3.53	3.61	2.84	3.31	0.94	1.70
	-166.67	-237.11	-4.49	-22.89	-49.42	-37.53	0.00	0.00	-10.37	-0.08	-46.66	-40.38	-53.75	-22.33	-1.10	-5.28	-29.48	-31.02	-22.74	0.00	0.00	-31.31	-136.09	-54.21
	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	104.30	111.49	69.23	64.98	94.39	95.44	84.26	98.05	99.11	115.32	104.03	95.52	96.85	83.60	66.25	72.14	77.95	99.73	88.17	68.73	84.50	117.94	156.05	88.95
	-3.70	-10.34	2.95	2.53	1.45	0.99	4.53	5.05	3.04	4.77	2.18	3.20	3.09	4.92	5.70	5.56	4.15	5.91	5.45	5.78	4.58	5.47	1.30	2.60
	-170.61	-278.87	-19.33	-24.50	-71.42	-80.17	-2.84	-6.47	-52.48	-44.24	-69.98	-52.36	-54.15	-22.50	-1.11	-5.32	-29.70	-31.26	-22.92	0.00	-31.36	-55.36	-137.12	-54.60
	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	-39.43	-123.64	48.19	41.94	29.36	20.37	78.68	88.62	45.86	67.50	39.14	46.36	47.79	60.00	60.44	62.87	48.69	67.54	63.75	64.00	49.22	62.23	37.26	40.06
	-0.98	-1.76	0.55	0.51	0.34	0.40	1.79	2.08	0.74	1.18	0.50	0.60	0.54	0.66	0.85	0.87	0.49	0.68	0.77	1.05	0.67	0.70	0.24	0.46
	-24.16	-35.16	-0.68	-3.48	-7.51	-5.70	0.00	0.00	-1.52	-0.01	-6.77	-5.81	-7.64	-3.16	-0.15	-0.73	-4.11	-4.30	-3.17	0.00	0.00	-4.41	-19.39	-7.85
	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	103.37	76.26	53.53	62.79	72.49	52.96	80.42	90.42	56.36	69.94	80.77	83.05	96.18	81.87	63.97	69.98	76.46	97.54	86.33	66.49	51.29	92.09	156.54	88.31
	-2.80	-7.05	2.03	1.64	0.92	0.68	3.53	3.88	2.29	3.54	1.70	2.24	2.18	3.10	3.43	3.37	2.52	3.58	3.50	3.54	2.74	3.21	0.90	1.62
	-168.77	-240.35	-4.55	-23.20	-50.07	-38.00	0.00	0.00	-10.49	-0.09	-47.21	-40.85	-54.39	-22.59	-1.11	-5.34	-29.85	-31.40	-23.03	0.00	0.00	-31.76	-138.01	-54.94
	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	102.27	74.35	53.68	62.81	72.32	52.83	80.77	90.79	56.60	70.46	80.74	83.19	96.20	82.18	64.47	70.38	76.62	97.82	86.56	66.76	51.54	92.16	155.68	88.14
	-3.09	-7.82	2.19	1.77	0.99	0.73	3.87	4.25	2.58	4.06	1.91	2.57	2.45	3.50	3.93	3.80	2.83	4.01	3.83	3.81	2.99	3.50	0.96	1.80
	-167.97	-239.22	-4.53	-23.09	-49.82	-37.82	0.00	0.00	-10.43	-0.09	-46.98	-40.66	-54.14	-22.50	-1.11	-5.32	-29.70	-31.25	-22.92	0.00	0.00	-31.54	-137.09	-54.59
	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	-62.84	-147.31	42.08	33.42	17.72	11.82	68.90	77.62	37.73	58.48	25.99	33.04	32.40	48.43	52.62	54.97	37.65	53.69	51.26	55.75	43.68	50.83	11.50	27.75
	5.37	17.68	-4.72	-3.76	-2.12	-1.20	-7.99	-8.92	-5.52	-7.83	-4.28	-5.55	-5.38	-6.98	-6.78	-6.11	-5.43	-7.81	-7.77	-7.21	-4.88	-5.19	-1.35	-2.12
	5.60	7.95	0.15	0.77	1.66	1.26	0.00	0.00	0.35	0.00	1.59	1.37	1.83	0.77	0.04	0.18	1.01	1.06	0.78	0.00	0.00	1.10	4.79	1.88
	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	133.58	119.23	54.35	66.98	81.46	53.78	55.00	80.12	57.62	68.94	88.84	89.76	105.41	85.19	63.14	70.05	81.10	102.21	89.45	65.06	50.24	90.67	180.13	97.48
	-2.85	-7.20	2.03	1.67	0.91	1.75	1.66	2.73	1.67	2.53	1.32	1.62	1.65	2.35	2.39	2.50	1.85	2.63	2.49	2.11	1.69	2.21	0.78	1.34
	-199.04	-283.47	-5.37	-27.36	-59.04	-9.39	-8.52	-7.21	-12.36	-0.10	-55.66	-48.18	-64.15	-26.66	-1.31	-6.29	-35.17	-37.02	-27.16	0.00	0.00	-32.00	-161.71	-64.39
	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	-35.55	-115.20	44.74	38.73	26.93	32.00	20.00	71.38	40.83	60.01	34.88	41.05	42.71	53.74	53.56	56.41	43.97	60.98	74.20	85.00	44.64	83.90	34.73	36.77
	4.23	9.34	-2.83	-2.36	-1.35	-3.17	-3.77	-6.26	-4.15	-6.31	-3.22	-4.30	-4.08	-5.42	-6.03	-5.57	-4.14	-5.81	-6.09	-7.28	-3.92	-4.56	-1.42	-2.35
	-22.83	-32.51	-0.62	-3.14	-6.77	7.48	21.05	-7.46	-1.38	-0.01	-6.23	-5.39	-7.19	-2.98	-0.15	-0.72	-4.02	-4.23	-7.88	-10.22	0.00	-32.00	-18.52	-7.37
	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	61.43	21.31	48.52	53.04	56.42	45.00	40.39	77.65	49.10	62.07	63.28	66.45	76.28	68.47	56.25	61.38	62.58	81.41	72.03	60.27	45.24	88.88	114.91	66.77
	3.52	6.72	-1.68	-1.47	-0.83	0.48	0.23	0.25	-1.96	-4.30	-2.24	-2.64	-2.13	-3.82	-3.97	-3.70	-2.81	-3.56	-4.21	-2.69	-3.31	0.42	-1.03	0.53
	-120.51	-171.63	-3.25	-16.57	-35.75	-1.86	4.65	-7.21	-7.47	-0.06	-33.66	-29.13	-38.79	-16.11	-0.79	-3.81	-21.30	-22.41	-16.44	0.00	0.00	-32.00	-98.31	1.13
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

WEST 61752	-33.46	-113.48	45.59	39.72	28.13	19.05	72.45	81.47	42.05	61.58	36.45	42.78	44.61	55.34	54.87	57.52	45.31	62.71	58.66	58.88	45.43	58.19	37.40	38.16
	3.36	6.85	-2.06	-1.77	-1.02	-1.03	-4.44	-5.07	-3.12	-4.74	-2.49	-3.31	-3.15	-4.22	-4.74	-4.56	-3.33	-4.64	-4.65	-4.07	-3.12	-3.76	-1.18	-1.95
	-25.79	-36.72	-0.69	-3.54	-7.64	-5.80	0.00	0.00	-1.57	-0.01	-7.08	-6.13	-8.16	-3.38	-0.17	-0.81	-4.55	-4.79	-3.51	0.00	0.00	-4.82	-20.95	-8.36
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N