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: 07/02/2008

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	87.92	104.05	101.82	89.75	96.52	60.02	66.75	50.44	44.86	122.86	128.05	132.50	122.50	105.97	88.34	107.47	120.18	132.90	119.83	113.92	127.78	107.26	63.64	-78.78
	4.45	4.76	4.07	3.55	3.57	2.71	3.27	2.60	2.49	1.31	4.35	8.04	7.50	5.79	4.99	6.08	7.10	7.80	7.61	7.19	4.08	3.56	3.62	-4.28
	0.00	0.00	0.00	0.00	-18.77	0.00	-0.71	0.00	0.00	-100.52	-57.51	0.00	0.09	-10.42	0.00	0.00	0.00	-0.03	-0.18	-0.37	-64.06	-50.79	-1.54	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	81.37	97.16	95.13	84.06	74.41	56.18	61.50	47.44	42.48	32.70	72.69	123.96	114.74	90.57	83.53	102.21	113.85	126.39	112.25	106.30	66.61	58.50	58.05	-72.99
	-2.10	-2.13	-2.62	-2.15	-1.95	-1.14	-1.36	-0.40	0.11	0.08	-0.16	-0.35	-0.21	-0.03	0.18	0.82	0.78	1.33	0.21	0.10	0.01	-0.14	-0.59	1.52
	0.00	0.00	0.00	0.00	-2.18	0.00	-0.08	0.00	0.00	-11.59	-6.65	0.16	0.14	-0.83	0.00	0.00	0.00	0.00	0.00	0.16	-6.97	-5.73	-0.16	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	91.29	108.12	105.95	93.32	94.68	62.22	68.93	52.40	46.53	99.25	117.09	138.28	128.14	157.89	92.74	113.26	126.38	139.94	128.95	127.24	121.79	97.37	66.03	-82.21
	7.82	8.84	8.19	7.12	6.26	4.90	5.62	4.56	4.16	2.21	7.42	13.97	13.18	10.26	9.39	11.88	13.30	14.31	13.22	12.60	7.00	6.13	6.39	-7.71
	0.00	0.00	0.00	0.00	-14.25	0.00	-0.54	0.00	0.00	-76.01	-43.49	0.15	0.13	-57.87	0.00	0.00	0.00	-0.55	-3.69	-8.28	-55.16	-38.33	-1.16	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	78.69	94.22	92.21	81.11	71.12	54.29	59.12	45.96	41.09	29.01	68.63	110.33	103.07	82.98	81.39	99.32	110.62	123.26	108.93	92.28	42.33	50.67	55.53	-69.94
	-4.78	-5.07	-5.55	-5.10	-4.68	-3.03	-3.72	-1.88	-1.29	-0.70	-2.53	-4.70	-4.02	-2.80	-1.95	-2.07	-2.45	-1.81	-3.11	-3.73	-2.16	-1.91	-2.35	4.56
	0.00	0.00	0.00	0.00	-1.63	0.00	-0.06	0.00	0.00	-8.69	-4.97	9.43	8.01	3.97	0.00	0.00	0.00	0.00	0.00	10.36	15.14	0.34	0.59	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	82.34	98.07	96.88	85.41	73.34	56.60	63.31	-9.45	41.38	40.01	64.34	121.00	111.72	86.98	80.84	80.00	81.00	120.91	108.24	102.88	57.73	51.30	57.03	-73.22
	-1.13	-1.22	-0.88	-0.80	-0.83	-0.72	-0.67	-0.52	-0.99	-1.14	-1.85	-3.46	-3.37	-2.78	-2.51	-2.87	-3.48	-4.16	-3.80	-3.48	-1.91	-1.61	-1.45	1.29
	0.00	0.00	0.00	0.00	0.00	0.00	-8.41	31.68	0.00	2.17	0.00	0.00	0.00	0.00	0.00	9.72	27.79	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	90.58	107.29	105.15	92.67	94.02	61.79	68.46	52.07	46.27	98.55	116.34	137.59	127.39	145.07	92.24	112.59	125.70	139.13	127.44	124.62	119.31	96.66	65.51	-81.52
	7.11	8.01	7.40	6.46	5.70	4.48	5.14	4.23	3.90	2.09	7.02	13.27	12.43	9.73	8.89	11.20	12.62	13.64	12.57	11.96	6.63	5.73	5.89	-7.02
	0.00	0.00	0.00	0.00	-14.14	0.00	-0.53	0.00	0.00	-75.44	-43.13	0.15	0.13	-45.58	0.00	0.00	0.00	-0.42	-2.83	-6.30	-53.04	-38.02	-1.15	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	122.25	110.86	108.85	96.00	96.89	63.98	81.05	87.79	56.42	123.53	145.42	148.83	147.22	166.62	141.21	144.15	144.65	145.17	138.81	184.05	145.02	144.84	139.92	121.69
	10.17	11.57	11.10	9.79	8.46	6.66	7.72	6.14	5.42	2.77	8.94	16.67	16.18	12.17	11.82	14.57	15.58	15.62	14.77	14.58	8.50	7.65	8.15	-9.95
	-28.60	0.00	0.00	0.00	-14.26	0.00	-10.56	-33.81	-8.62	-99.73	-70.29	-7.70	-15.95	-64.69	-46.04	-28.19	-16.00	-4.48	-11.99	-63.11	-76.88	-84.29	-73.29	-206.15
	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	84.61	100.51	98.75	87.13	77.03	58.04	63.80	48.87	43.54	32.13	74.17	128.26	118.56	95.91	85.80	104.46	116.44	129.07	115.46	109.96	68.42	59.73	59.94	-75.81
	1.14	1.22	1.00	0.92	0.79	0.73	0.94	1.03	1.17	0.64	1.96	3.80	3.47	2.66	2.45	3.07	3.36	3.97	3.23	3.15	1.77	1.52	1.30	-1.31
	0.00	0.00	0.00	0.00	-2.07	0.00	-0.08	0.00	0.00	-10.46	-6.02	0.00	0.00	-3.49	0.00	0.00	0.00	-0.03	-0.19	-0.45	-7.02	-5.31	-0.16	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	91.07	107.83	105.64	93.05	94.53	62.03	68.75	52.29	46.46	99.69	117.26	138.14	128.02	156.78	92.69	113.23	126.36	139.91	128.89	127.02	121.89	97.54	65.92	-81.94
	7.60	8.54	7.88	6.84	6.02	4.72	5.43	4.45	4.08	2.19	7.31	13.82	13.05	10.21	9.34	11.85	13.28	14.29	13.22	12.55	6.94	6.06	6.28	-7.43
	0.00	0.00	0.00	0.00	-14.34	0.00	-0.54	0.00	0.00	-76.47	-43.76	0.15	0.13	-56.81	0.00	0.00	0.00	-0.54	-3.62	-8.11	-55.31	-38.58	-1.16	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	128.54	161.18	124.03	94.03	95.27	65.08	145.77	200.00	167.32	190.60	172.99	166.08	158.25	176.27	162.96	210.45	182.69	221.47	186.03	197.92	190.96	174.10	158.08	136.75
	8.46	9.56	9.00	7.82	6.83	5.32	6.00	4.87	4.44	2.37	7.82	14.79	13.94	10.75	9.83	12.38	13.80	14.86	13.72	13.16	7.32	6.46	6.77	-8.11
	-36.60	-52.33	-17.28	0.00	-14.25	-2.45	-76.99	-147.28	-120.51	-167.20	-98.98	-26.84	-29.22	-75.76	-69.78	-96.68	-55.81	-81.54	-60.27	-78.40	-124.00	-114.73	-92.83	-219.36
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

NORTH 61755	81.94	97.50	96.30	84.85	72.82	56.25	61.72	46.78	41.30	20.42	64.07	120.71	111.31	86.50	80.39	97.44	108.38	119.82	107.18	102.00	57.29	50.93	56.56	-72.54
	-1.53	-1.79	-1.45	-1.36	-1.36	-1.06	-1.06	-1.06	-1.07	-0.61	-2.12	-3.75	-3.78	-3.25	-2.96	-3.95	-4.70	-5.25	-4.86	-4.36	-2.34	-1.98	-1.92	1.96
	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	88.99	105.36	83.46	89.80	95.57	60.65	89.01	101.00	45.12	112.87	122.91	133.61	123.72	123.99	88.95	108.20	120.98	133.52	121.73	117.51	124.04	102.43	63.96	-79.54
	5.53	6.07	4.51	4.72	4.46	3.33	3.50	1.53	2.75	1.50	5.04	9.28	8.74	6.69	5.61	6.81	7.91	8.24	8.23	7.96	4.55	3.95	4.11	-5.04
	0.00	0.00	10.01	3.72	-16.93	0.00	-29.95	-76.73	0.00	-90.34	-51.68	0.13	0.11	-27.54	0.00	0.00	0.00	-0.22	-1.46	-3.19	-59.85	-45.57	-1.38	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	74.05	120.00	109.00	81.11	67.63	51.51	59.66	1.00	38.13	28.78	63.55	97.91	91.91	74.40	73.88	90.05	100.01	112.24	98.75	81.91	36.68	46.55	51.01	-63.74
	-9.42	-8.09	-8.82	-9.67	-8.46	-5.81	-6.74	-2.30	-4.24	-2.43	-8.47	-16.53	-14.69	-11.25	-9.47	-11.34	-13.06	-12.83	-13.30	-13.44	-7.50	-6.51	-6.85	10.77
	0.00	-45.61	-28.86	-1.98	-1.91	0.00	-10.84	19.45	0.00	-10.18	-5.83	10.02	8.49	4.11	0.00	0.00	0.00	0.00	0.00	11.00	15.45	-0.15	0.61	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	82.81	100.26	92.98	80.74	79.56	54.10	82.55	62.85	57.06	86.55	102.25	122.71	112.74	125.86	90.51	109.87	117.51	128.74	112.01	109.68	95.26	95.00	55.00	51.00
	-5.58	-6.07	-7.09	-5.46	-4.86	-3.54	1.47	0.98	-1.48	-0.82	-2.60	-3.55	-4.66	-1.82	-2.17	0.60	-2.42	-1.37	-3.42	-2.74	-1.92	3.28	2.59	2.21
	-4.92	-7.04	-2.31	0.00	-10.24	-0.33	-25.52	-39.12	-16.17	-66.35	-38.65	-1.80	-2.31	-37.92	-9.33	-7.88	-6.86	-5.04	-3.39	-6.05	-37.54	-26.74	8.59	30.06
	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	75.32	90.92	88.80	78.24	68.82	52.14	56.24	43.85	39.25	30.67	66.59	103.04	96.50	78.12	76.71	93.86	104.20	116.79	102.52	86.50	40.90	49.18	52.60	-65.77
	-8.15	-8.37	-8.95	-7.97	-7.49	-5.18	-6.62	-3.99	-3.12	-1.75	-6.12	-12.04	-10.76	-8.02	-6.63	-7.52	-8.88	-8.28	-9.53	-9.62	-5.50	-4.83	-5.33	8.73
	0.00	0.00	0.00	0.00	-2.13	0.00	-0.08	0.00	0.00	-11.39	-6.52	9.37	7.83	3.62	0.00	0.00	0.00	0.00	0.00	10.24	13.24	-1.10	0.54	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