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: 07/12/2008

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	98.79	93.93	114.28	116.69	55.03	92.64	104.75	143.38	152.51	158.82	128.91	119.64	123.64	129.77	140.44	135.42	147.35	127.69	112.60	118.71	126.39	122.93	125.57	114.43
	-0.12	1.14	4.15	4.76	2.46	4.24	4.99	4.41	3.54	4.09	6.43	6.55	6.94	7.47	8.29	7.52	8.18	7.62	6.97	7.50	6.88	7.52	7.51	6.54
	-100.35	-70.45	-23.80	-11.26	0.00	0.00	0.00	-62.36	-88.35	-90.07	-19.53	0.00	0.00	0.00	0.00	0.00	0.27	0.00	0.00	0.00	-19.70	-2.84	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	10.41	30.03	86.51	99.03	51.00	85.94	97.04	82.24	70.11	74.47	104.23	113.28	117.09	122.82	132.73	128.98	140.98	120.87	105.74	111.41	102.18	112.49	118.53	107.04
	0.08	-0.56	-2.62	-2.95	-1.57	-2.46	-2.72	-1.70	-0.88	-0.67	-0.99	0.20	0.40	0.52	0.58	1.08	1.54	0.79	0.11	0.19	0.10	-0.05	0.47	-0.85
	-11.76	-8.24	-2.78	-1.32	0.00	0.00	0.00	-7.33	-10.36	-10.48	-2.27	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.27	0.02	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	74.49	77.84	111.44	117.12	56.63	95.23	107.67	131.00	133.49	139.24	128.15	124.76	129.42	135.42	146.17	141.51	152.69	132.52	116.34	122.77	125.17	126.34	130.13	118.80
	-0.23	1.98	7.01	7.87	4.06	6.83	7.91	6.88	5.65	6.23	10.38	11.67	12.73	13.12	14.02	13.62	14.63	12.44	10.71	11.56	10.43	11.98	12.07	10.91
	-76.15	-53.52	-18.08	-8.58	0.00	0.00	0.00	-47.52	-67.21	-68.35	-14.82	0.00	0.00	0.00	0.00	0.00	1.38	0.00	0.00	0.00	-14.92	-1.79	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	7.39	27.10	81.91	93.98	48.67	81.90	92.48	76.44	65.22	69.44	99.52	109.15	112.48	118.32	127.67	124.28	135.92	116.86	102.71	107.57	98.45	106.26	114.82	104.22
	0.06	-1.40	-6.51	-7.67	-3.92	-6.49	-7.27	-5.62	-3.10	-3.04	-5.13	-3.94	-4.22	-3.99	-4.47	-3.62	-3.52	-3.21	-2.92	-3.64	-3.07	-4.24	-3.25	-3.67
	-8.77	-6.16	-2.08	-0.99	0.00	0.00	0.00	-5.46	-7.69	-7.83	-1.70	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.71	2.07	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	-1.38	86.00	75.33	99.85	52.16	87.75	99.04	75.00	-59.95	-2.02	47.82	110.29	113.39	118.74	128.28	131.90	111.68	114.54	104.71	108.07	97.28	109.43	114.94	84.78
	0.05	-0.84	-0.63	-0.82	-0.42	-0.64	-0.72	-0.85	0.23	-0.90	-1.54	-2.80	-3.31	-3.57	-3.87	-3.72	-3.86	-3.47	-3.15	-3.14	-2.75	-3.13	-3.12	-2.52
	0.00	-17.27	-2.84	0.00	0.00	0.00	0.00	-21.41	50.59	40.09	26.85	0.00	0.00	0.00	0.00	-10.55	9.00	1.83	4.50	0.00	-3.53	0.00	0.00	21.20
	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	73.86	77.24	110.62	116.36	56.30	94.66	107.02	130.34	132.91	138.48	127.43	124.10	128.90	135.00	145.87	141.38	157.62	132.47	116.15	122.40	124.62	125.82	129.60	118.12
	-0.22	1.81	6.33	7.15	3.72	6.27	7.27	6.39	5.28	5.85	9.76	11.01	12.20	12.70	13.73	13.48	14.71	12.39	10.52	11.18	10.01	11.48	11.54	10.23
	-75.51	-53.10	-17.94	-8.54	0.00	0.00	0.00	-47.34	-67.00	-67.97	-14.72	0.00	0.00	0.00	0.00	0.00	-3.47	0.00	0.00	0.00	-14.79	-1.78	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	86.10	128.08	128.95	124.83	122.21	119.19	122.44	142.76	155.01	140.52	130.95	129.76	132.26	137.54	148.50	144.14	155.51	135.66	127.19	127.45	128.61	130.04	132.34	123.77
	-0.30	2.65	9.41	10.53	5.60	9.39	10.83	8.94	7.20	7.45	13.17	14.86	15.56	15.23	16.35	16.25	17.41	15.58	14.36	15.69	13.87	15.34	14.28	14.01
	-87.83	-103.09	-33.20	-13.63	-64.03	-21.40	-11.85	-57.21	-87.18	-68.41	-14.83	-1.80	0.00	0.00	0.00	0.00	1.34	0.00	-7.20	-0.55	-14.93	-2.14	0.00	-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

MHK VL 61756	10.65	31.31	90.65	103.74	53.44	89.90	101.60	86.04	73.03	77.67	109.00	117.69	121.49	127.25	137.37	133.00	145.13	124.75	109.55	115.43	106.01	117.26	122.45	111.10
	-0.03	0.42	1.42	1.69	0.86	1.51	1.85	1.91	1.82	2.22	3.70	4.60	4.79	4.94	5.22	5.11	5.68	4.67	3.93	4.22	3.83	4.36	4.39	3.20
	-12.11	-8.55	-2.89	-1.39	0.00	0.00	0.00	-7.53	-10.58	-10.80	-2.35	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.36	-0.34	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	74.95	78.09	111.28	116.87	56.48	94.97	107.38	131.10	133.78	139.55	128.08	124.63	129.36	135.42	146.25	141.60	153.02	132.61	116.35	122.68	125.16	126.24	130.00	118.57
	-0.23	1.91	6.75	7.57	3.90	6.58	7.62	6.69	5.52	6.12	10.22	11.55	12.67	13.12	14.10	13.70	14.78	12.53	10.72	11.47	10.34	11.87	11.93	10.68
	-76.61	-53.84	-18.19	-8.63	0.00	0.00	0.00	-47.81	-67.63	-68.77	-14.91	0.00	0.00	0.00	0.00	0.00	1.21	0.00	0.00	0.00	-15.01	-1.81	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	77.27	77.99	112.03	117.78	56.95	95.73	108.24	143.98	167.07	164.32	131.72	131.42	137.22	141.02	149.81	146.14	204.96	187.36	173.73	181.01	181.56	183.00	186.88	176.72
	-0.27	2.10	7.60	8.52	4.37	7.33	8.49	7.30	5.95	6.53	10.93	12.27	13.27	13.60	14.43	14.02	15.05	12.83	11.07	12.07	10.92	12.57	12.70	11.59
	-78.98	-53.56	-18.09	-8.59	0.00	0.00	0.00	-60.07	-100.50	-93.13	-17.84	-6.06	-7.26	-5.12	-3.24	-4.22	-50.47	-54.45	-57.03	-57.73	-70.82	-57.87	-56.12	-57.25
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

NORTH 61755	-1.35	21.84	84.85	99.14	51.78	87.12	98.56	75.50	59.57	63.34	100.62	110.29	113.12	118.34	127.70	123.48	134.63	116.13	102.43	107.83	96.79	109.01	114.55	104.97
	0.08	-0.50	-1.49	-1.53	-0.80	-1.27	-1.19	-1.11	-1.06	-1.32	-2.33	-2.79	-3.57	-3.97	-4.45	-4.41	-4.81	-3.95	-3.20	-3.38	-3.03	-3.55	-3.51	-2.92
	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	88.96	100.00	95.00	116.96	55.64	93.68	90.00	86.00	108.88	107.00	105.66	115.00	124.84	130.98	141.72	144.00	148.05	126.25	116.13	119.23	126.72	122.95	126.28	95.00
	-0.14	4.23	4.28	6.10	3.07	5.29	4.47	3.68	-0.67	2.86	5.23	7.34	8.15	8.67	9.58	8.38	9.07	8.24	8.28	8.02	7.14	8.13	8.21	7.70
	-90.53	-26.20	-17.59	-10.19	0.00	0.00	-13.32	-27.87	-119.15	-65.16	-24.22	3.24	0.00	0.00	0.00	-10.55	0.46	1.83	4.50	0.00	-23.07	-2.26	0.00	21.20
	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	9.00	79.69	67.74	88.07	45.59	76.62	86.33	70.69	-40.06	6.25	45.58	99.04	101.15	106.06	114.28	119.86	122.07	102.34	80.00	96.86	89.95	73.68	104.83	100.00
	0.13	-8.16	-9.90	-13.75	-6.99	-11.77	-13.42	-5.90	0.89	-4.44	-9.53	-14.05	-15.55	-16.24	-17.86	-15.76	-17.37	-15.67	-15.64	-14.35	-12.28	-15.10	-13.23	-12.93
	-10.30	-18.29	-4.51	-1.16	0.00	0.00	0.00	-22.14	31.35	28.29	21.10	0.00	0.00	0.00	0.00	-10.55	0.00	1.83	16.71	0.00	-5.73	23.78	0.00	-4.43
	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	53.38	93.56	73.33	60.00	47.34	80.39	90.82	81.36	42.02	64.12	82.54	108.99	111.37	116.59	126.14	142.91	139.69	128.12	110.00	105.03	116.00	104.43	112.47	92.12
	0.17	1.34	0.78	1.40	-5.24	-8.00	-8.94	1.60	-0.46	1.46	2.28	-4.10	-5.32	-5.71	-6.00	7.29	-4.64	6.11	4.41	-6.18	4.15	-5.32	-5.59	4.82
	-54.65	-22.66	0.57	23.30	0.00	0.00	0.00	-25.32	-52.07	-23.68	-4.05	0.00	0.00	0.00	0.00	-10.55	-4.88	-2.17	6.76	0.00	-15.34	2.81	0.00	21.20
	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	10.31	28.17	78.69	89.70	46.22	77.93	88.13	74.50	64.95	68.32	93.92	102.79	105.49	110.60	119.26	116.36	127.44	109.05	95.59	100.20	92.48	78.58	108.00	98.05
	0.09	-2.35	-10.41	-12.27	-6.35	-10.47	-11.63	-9.38	-5.79	-6.57	-11.25	-10.30	-11.20	-11.70	-12.88	-11.54	-12.00	-11.03	-10.04	-11.01	-9.57	-11.82	-10.06	-9.84
	-11.64	-8.18	-2.76	-1.31	0.00	0.00	0.00	-7.28	-10.11	-10.24	-2.22	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.24	22.17	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