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: 07/13/2008

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	91.80	79.96	94.07	96.69	107.58	63.84	81.70	82.39	97.59	122.09	120.77	139.49	133.56	151.02	140.89	123.41	131.00	128.25	127.24	138.83	171.84	139.65	141.78	93.88
	4.59	4.07	4.56	4.28	4.58	2.90	3.89	4.24	5.25	3.70	2.78	2.85	6.00	4.62	5.38	6.98	7.49	7.00	2.57	6.07	3.19	7.91	5.03	1.15
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-57.72	-72.72	-90.46	-31.70	-73.52	-50.67	0.00	0.00	-0.10	-81.48	-32.38	-118.44	2.41	-50.19	-72.73
	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	86.26	74.92	88.02	90.99	101.28	59.84	76.59	77.22	90.91	66.68	53.30	56.48	100.11	82.77	91.93	116.89	124.04	121.59	53.81	103.43	65.25	131.36	92.68	29.34
	-0.95	-0.97	-1.49	-1.42	-1.71	-1.10	-1.22	-0.93	-1.43	-0.62	-0.27	0.01	0.33	0.34	0.40	0.46	0.53	0.44	-0.18	-0.13	0.05	-0.11	-0.51	-0.27
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-6.63	-8.30	-10.29	-3.92	-9.53	-6.69	0.00	0.00	0.00	-10.80	-3.17	-14.99	2.68	-6.64	-9.60
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

DUNWOD 61760	95.22	82.72	97.12	99.69	110.88	65.65	83.72	84.99	100.60	110.29	105.16	119.77	131.18	137.97	133.63	129.73	137.27	136.73	116.00	135.78	146.79	146.14	134.96	78.66
	8.02	6.83	7.61	7.28	7.89	4.71	5.91	6.84	8.26	5.83	4.76	5.03	11.00	8.43	9.74	13.29	13.76	13.73	4.87	11.06	5.76	15.09	9.73	2.38
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-43.78	-55.14	-68.55	-24.32	-56.64	-39.05	0.00	0.00	-1.84	-67.94	-24.34	-90.82	3.10	-38.68	-56.28
	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	84.02	72.88	85.27	88.21	98.21	57.98	73.87	74.20	87.51	62.89	49.67	52.02	94.62	75.99	85.63	111.74	118.64	116.74	48.12	45.68	25.31	17.66	86.19	24.73
	-3.19	-3.01	-4.23	-4.21	-4.78	-2.96	-3.94	-3.95	-4.82	-2.80	-1.92	-2.02	-4.32	-3.03	-3.44	-4.69	-4.87	-4.41	-1.84	-4.27	-2.24	-5.75	-4.54	-1.34
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-5.01	-6.32	-7.85	-3.08	-6.13	-4.23	0.00	0.00	0.00	-6.76	50.43	22.66	110.74	-4.19	-6.06
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

H Q 61844	85.76	74.55	88.26	91.37	101.97	60.36	77.02	65.89	15.07	11.65	33.88	44.93	93.05	70.74	82.38	113.26	122.06	130.37	79.34	97.97	48.89	54.11	84.26	19.50
	-1.45	-1.34	-1.25	-1.05	-1.02	-0.58	-0.78	-0.81	-0.94	-1.09	-0.87	-1.25	-2.81	-2.15	-2.46	-3.18	-3.54	-3.18	-2.17	-2.41	-1.32	-1.55	-2.30	-0.50
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-15.96	39.30	39.33	0.26	0.00	0.00	0.00	0.00	0.00	-0.37	-14.85	13.00	0.00	0.00	9.01	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	94.55	82.15	96.50	99.10	110.32	65.30	83.32	84.55	100.01	109.65	104.51	119.01	130.49	137.24	133.01	129.42	137.13	136.07	114.05	135.17	145.78	145.49	134.11	77.99
	7.34	6.26	6.99	6.69	7.33	4.36	5.52	6.40	7.67	5.40	4.41	4.70	10.47	8.11	9.41	12.98	13.62	13.51	4.72	10.67	5.53	14.45	9.20	2.22
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-43.57	-54.83	-68.13	-24.16	-56.24	-38.75	0.00	0.00	-1.41	-66.14	-24.11	-90.04	3.11	-38.36	-55.76
	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	97.99	85.34	99.55	102.26	113.43	67.19	85.57	86.86	102.76	115.96	126.27	131.95	134.43	139.85	135.72	133.33	140.36	140.11	132.35	138.51	148.14	149.82	143.64	120.88
	10.55	8.98	10.05	9.84	10.44	6.25	7.76	8.71	10.42	7.25	6.31	6.48	13.48	10.27	11.80	16.81	16.85	17.11	6.23	13.76	7.05	18.77	12.33	3.04
	-0.24	-0.46	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-48.04	-74.69	-79.29	-25.09	-56.69	-39.07	-0.08	0.00	-1.84	-82.93	-24.36	-90.89	3.10	-44.76	-97.84
	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	89.45	77.62	91.34	94.27	104.95	62.07	79.41	80.11	94.79	68.98	54.94	57.76	103.58	84.81	94.35	120.90	128.15	125.85	55.42	107.50	67.20	137.15	95.90	29.90
	2.24	1.73	1.83	1.85	1.96	1.13	1.60	1.96	2.45	1.96	1.51	1.63	3.91	2.89	3.20	4.46	4.64	4.58	1.53	3.77	1.98	5.05	2.92	0.60
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-6.35	-8.17	-9.95	-3.81	-9.03	-6.31	0.00	0.00	-0.11	-10.70	-3.35	-15.01	2.05	-6.43	-9.29
	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	94.98	82.51	96.86	99.46	110.62	65.48	83.54	84.82	100.38	110.43	105.42	120.15	131.29	138.28	133.86	129.73	137.31	136.69	116.22	135.86	147.27	145.96	135.02	78.91
	7.77	6.62	7.36	7.04	7.63	4.55	5.73	6.67	8.05	5.70	4.68	4.97	10.96	8.41	9.74	13.29	13.80	13.73	4.84	10.98	5.71	14.90	9.56	2.32
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-44.05	-55.48	-68.99	-24.47	-56.98	-39.28	0.00	0.00	-1.80	-68.19	-24.50	-91.36	3.09	-38.90	-56.59
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

N.Y.C. 61761	109.82	83.19	97.66	100.22	111.42	65.97	84.12	85.43	101.10	110.69	106.22	124.80	139.97	138.36	136.66	138.67	146.14	145.77	127.51	145.01	154.45	158.22	168.02	163.51
	8.55	7.30	8.15	7.80	8.42	5.03	6.30	7.28	8.76	6.20	5.06	5.30	11.59	8.80	10.12	13.87	14.25	14.29	5.08	11.59	6.05	15.92	10.33	2.57
	-14.07	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-43.81	-55.89	-73.31	-32.52	-56.68	-41.69	-8.37	-8.37	-10.33	-79.23	-33.03	-98.20	-8.15	-71.14	-140.93
	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	85.44	74.27	87.88	90.96	101.60	60.18	76.85	76.65	90.70	59.39	44.04	44.74	92.65	70.41	82.02	112.87	119.90	117.65	42.06	97.73	48.67	129.82	83.75	19.34
	-1.76	-1.63	-1.63	-1.45	-1.39	-0.76	-0.96	-1.50	-1.63	-1.29	-1.23	-1.44	-3.20	-2.48	-2.83	-3.57	-3.61	-3.50	-1.13	-2.65	-1.53	-4.33	-2.80	-0.66
	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	92.60	80.66	94.99	97.65	108.68	64.47	82.46	70.00	65.00	99.99	118.00	131.03	131.72	144.99	137.16	124.69	134.99	141.51	99.00	136.47	160.94	120.00	138.06	87.45
	5.39	4.77	5.48	5.24	5.69	3.53	4.65	3.29	3.82	3.65	2.45	3.40	7.23	5.56	6.45	8.26	9.39	7.96	6.61	7.00	3.68	4.44	6.04	1.47
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-15.96	-5.86	-44.26	-80.53	-81.45	-28.64	-66.54	-45.87	0.00	-0.37	-14.85	2.13	-29.10	-107.05	-50.88	-45.47	-65.97
	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	101.58	140.01	96.42	108.23	108.67	76.01	69.37	60.81	13.57	16.00	39.91	49.49	82.60	72.45	80.73	103.25	110.89	130.00	65.00	37.14	23.64	43.91	81.09	60.06
	-9.90	-8.86	-9.72	-8.76	-7.31	-6.98	-8.44	-5.90	-7.54	-6.17	-3.96	-5.87	-12.07	-8.60	-9.74	-13.18	-14.71	-12.28	-12.67	-11.92	-6.03	-9.81	-11.04	-6.12
	-22.01	-56.68	-18.90	-30.12	-30.86	-7.17	0.00	-15.96	34.21	29.91	-8.85	-9.18	1.19	-8.17	-5.63	0.00	-0.37	-23.58	16.85	51.32	20.53	10.96	-5.58	-21.95
	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	80.55	63.99	82.51	85.80	76.95	74.95	59.99	68.40	45.20	65.00	85.00	92.78	109.49	112.47	110.76	111.50	133.24	141.00	95.00	103.76	109.74	94.65	109.85	59.69
	-6.66	2.83	-6.99	-6.62	2.39	1.83	1.31	1.69	1.83	1.62	1.36	-2.68	-3.67	-2.76	-3.27	-4.94	7.64	7.45	4.49	-5.03	-2.35	2.65	-5.62	-2.35
	0.00	31.03	0.00	0.00	10.56	2.69	7.43	-15.96	11.95	-11.30	-48.63	-49.29	-17.30	-42.34	-29.19	0.00	-0.37	-14.85	4.00	-8.41	-61.89	-27.33	-28.92	-42.04
	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	79.42	69.08	80.95	84.20	93.79	55.34	70.56	70.34	82.10	60.76	48.95	51.82	86.60	76.22	84.26	106.46	112.98	110.88	49.72	43.59	29.56	13.83	84.17	27.15
	-7.78	-6.81	-8.56	-8.22	-9.20	-5.60	-7.24	-7.81	-10.24	-6.48	-4.58	-4.63	-9.02	-6.42	-7.30	-9.98	-10.53	-10.28	-4.23	-9.49	-4.68	-12.37	-9.04	-2.49
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-6.56	-8.26	-10.27	0.24	-9.75	-6.72	0.00	0.00	0.00	-10.75	47.30	15.96	107.95	-6.65	-9.64
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N