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: 07/03/2008

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	154.04	167.12	159.76	153.74	129.68	78.17	105.27	109.50	66.75	84.54	85.77	78.92	114.19	83.96	110.13	-305.34	-693.46	15.89	84.27	137.61	136.31	116.10	102.41	134.78
	7.02	7.58	6.88	6.62	5.70	4.01	5.62	5.92	3.10	4.75	4.81	4.30	6.37	4.68	3.73	-18.18	-34.86	0.20	3.94	7.10	6.55	2.64	3.93	2.14
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-6.28	-13.38	-3.97	0.00	0.00	-5.58	-3.79	-46.07	-20.89	-43.31	-10.41	-3.56	0.00	-22.76	-70.67	-31.58	-94.74
	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	145.44	157.09	149.77	143.85	121.30	72.81	98.49	97.89	51.81	76.04	80.80	74.42	101.79	74.84	65.06	-308.63	-706.78	5.38	76.71	129.84	109.25	50.70	69.62	48.06
	-1.58	-2.45	-3.11	-3.27	-2.68	-1.35	-1.16	-0.13	-0.01	-0.24	-0.17	-0.20	-0.36	-0.27	-0.29	-0.57	-4.87	0.10	-0.06	-0.66	-0.39	-0.27	-0.94	-0.81
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.72	-1.54	-0.46	0.00	0.00	0.09	0.37	-5.04	0.00	0.00	0.00	0.00	0.00	-2.64	-8.18	-3.66	-10.97
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

DUNWOD 61760	158.92	173.14	166.07	159.82	134.28	80.79	109.16	112.35	65.84	87.07	89.73	82.91	159.20	160.37	153.44	164.49	210.51	260.67	162.61	143.61	136.67	104.83	98.28	113.59
	11.90	13.61	13.19	12.70	10.30	6.63	9.50	10.29	5.44	8.25	8.76	8.29	11.95	8.69	7.01	-33.65	-65.51	0.36	6.86	13.11	12.41	5.01	7.44	3.85
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-4.76	-10.12	-3.00	0.00	0.00	-45.00	-76.20	-86.11	-506.19	-977.93	-255.02	-78.99	0.00	-17.25	-57.03	-23.94	-71.84
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

GENESE 61753	140.37	150.69	143.31	138.58	117.48	70.64	95.30	94.60	49.85	73.27	78.19	71.90	68.25	49.81	61.40	-297.62	-688.99	5.29	74.35	124.13	103.70	46.78	66.13	43.95
	-6.64	-8.84	-9.58	-8.54	-6.50	-3.52	-4.36	-3.25	-1.59	-2.89	-2.78	-2.72	-4.93	-3.49	-2.69	10.43	12.92	0.01	-2.42	-6.38	-5.29	-2.16	-3.52	-2.17
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.55	-1.16	-0.34	0.00	0.00	29.07	22.19	-3.77	0.00	0.00	0.00	0.00	0.00	-1.99	-6.16	-2.75	-8.23
	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	145.47	84.57	86.00	86.00	87.00	21.09	97.84	0.00	35.04	73.46	78.49	72.23	98.62	72.82	58.24	-299.25	79.13	64.73	75.23	127.83	34.05	72.82	31.37	37.23
	-1.55	-1.71	-1.33	-1.41	-1.30	-0.72	-1.81	-2.20	-1.79	-2.36	-2.48	-2.39	-3.62	-2.67	-2.08	8.80	-2.71	-1.03	-1.54	-2.67	-2.03	-1.66	-0.91	-0.66
	0.00	35.74	45.92	53.38	11.80	20.20	0.00	77.18	22.75	0.00	0.00	0.00	0.00	0.00	0.00	0.00	2.31	-24.28	0.00	0.00	27.39	-15.29	11.08	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	158.01	172.04	165.04	158.77	133.41	80.23	108.31	111.51	65.40	86.40	89.08	82.38	148.32	141.85	140.27	114.89	71.32	238.61	151.13	142.93	135.79	103.22	97.56	112.68
	10.99	12.51	12.15	11.65	9.43	6.07	8.65	9.48	5.06	7.61	8.12	7.76	11.29	8.27	6.64	-32.20	-63.89	0.37	6.70	12.42	11.69	4.69	6.91	3.53
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-4.73	-10.06	-2.98	0.00	0.00	-34.79	-58.09	-73.30	-455.14	-837.12	-232.96	-67.67	0.00	-17.10	-55.74	-23.74	-71.25
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

LONGIL 61762	163.02	176.44	169.78	163.55	137.74	83.24	116.37	144.15	143.51	143.90	154.14	159.69	164.99	162.12	154.41	161.49	189.57	200.30	149.18	147.81	148.03	147.83	144.24	161.11
	15.91	16.84	16.89	16.43	13.76	9.08	12.73	13.47	7.12	10.80	11.36	10.66	14.85	10.42	7.94	-37.43	-67.79	0.34	7.47	16.13	15.51	6.32	9.55	5.07
	-0.09	-0.07	0.00	0.00	0.00	0.00	-3.98	-33.38	-86.11	-57.28	-61.81	-74.41	-47.90	-76.21	-86.15	-506.97	-959.27	-194.68	-64.94	-1.17	-25.51	-98.71	-67.78	-118.15
	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	149.55	161.95	154.83	148.71	125.32	75.12	101.44	100.24	52.87	78.29	83.37	76.86	107.85	81.85	69.60	-283.69	-663.55	22.13	83.86	133.97	112.63	52.10	72.21	49.52
	2.53	2.42	1.95	1.60	1.34	0.96	1.78	2.33	1.32	2.08	2.40	2.24	3.01	2.30	1.74	-8.72	-21.25	0.17	2.01	3.46	3.07	1.20	1.70	0.67
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.61	-1.28	-0.39	0.00	0.00	-2.60	-4.06	-7.54	-33.08	-59.60	-16.67	-5.08	0.00	-2.56	-8.11	-3.61	-10.96
	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	158.62	172.81	165.68	159.40	133.92	80.58	108.87	112.16	65.83	86.96	89.59	82.84	158.24	158.74	152.51	159.51	195.84	258.08	161.58	143.50	136.65	105.01	98.30	113.93
	11.60	13.28	12.79	12.28	9.94	6.42	9.21	10.07	5.37	8.12	8.62	8.22	11.89	8.69	6.99	-33.68	-66.21	0.38	6.90	13.00	12.28	4.94	7.31	3.76
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-4.79	-10.19	-3.02	0.00	0.00	-44.11	-74.56	-85.19	-501.24	-963.96	-252.42	-77.91	0.00	-17.36	-57.29	-24.09	-72.28
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

N.Y.C. 61761	163.04	174.28	167.09	160.82	135.04	81.28	111.81	168.12	160.55	155.03	164.36	155.83	165.39	175.39	166.23	172.07	213.58	259.05	171.03	154.58	148.94	125.35	132.73	206.32
	12.65	14.74	14.21	13.71	11.05	7.12	10.23	10.83	5.73	8.77	9.21	8.72	12.61	9.15	7.40	-34.29	-66.72	0.36	7.07	13.60	12.98	5.28	7.90	4.18
	-3.36	0.00	0.00	0.00	0.00	0.00	-1.92	-59.99	-104.54	-70.44	-74.19	-72.49	-50.54	-90.75	-98.50	-514.41	-982.21	-253.41	-87.20	-10.48	-28.95	-77.28	-57.93	-164.24
	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	144.63	157.05	150.82	145.01	122.13	72.69	97.47	94.54	48.84	73.27	78.17	71.94	97.95	72.35	57.71	-296.68	-680.70	5.16	74.74	127.04	103.47	41.41	65.07	37.09
	-2.38	-2.49	-2.07	-2.11	-1.86	-1.47	-2.19	-2.76	-1.43	-2.55	-2.79	-2.68	-4.29	-3.14	-2.61	11.37	21.21	-0.12	-2.03	-3.47	-3.53	-1.38	-1.83	-0.80
	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	155.32	93.00	86.66	95.33	94.33	58.53	106.41	93.75	60.00	84.63	86.39	79.64	129.54	110.97	124.80	-155.00	114.42	112.47	109.60	138.58	121.00	109.99	80.00	125.86
	8.30	6.72	7.03	7.92	6.03	2.82	6.76	5.54	4.22	5.25	5.42	5.02	7.73	5.64	4.43	-20.94	6.29	2.12	4.40	8.07	4.57	4.19	3.02	2.60
	0.00	35.74	53.63	53.38	11.80	-13.69	0.00	-8.82	3.79	-3.57	0.00	0.00	-19.58	-29.84	-60.04	-173.99	-23.98	-68.89	-28.43	0.00	-52.96	-46.62	-33.62	-85.36
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

O H 61846	131.74	75.45	75.50	72.12	78.40	22.00	89.20	109.00	32.25	66.74	70.98	65.07	56.81	41.66	56.62	-272.85	71.53	63.95	69.50	114.73	39.00	108.00	20.00	43.23
	-15.28	-10.83	-13.40	-15.29	-9.90	-3.64	-10.46	-6.55	-6.74	-9.48	-9.98	-9.54	-14.72	-10.55	-8.11	35.20	-10.32	-1.80	-7.27	-15.78	-6.24	-6.36	-5.80	-4.29
	0.00	35.74	44.35	53.38	11.80	16.38	0.00	-36.17	20.59	-0.40	0.00	0.00	30.71	23.27	-4.40	0.00	2.31	-24.28	0.00	0.00	18.23	-55.18	17.56	-9.62
	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	64.54	-999.70	1.00	3.03	9.00	20.00	95.72	200.00	62.83	84.42	85.00	82.63	125.12	116.98	113.93	26.12	128.99	145.92	124.00	127.90	89.43	75.00	67.18	65.00
	1.77	6.73	5.49	5.18	3.28	1.20	-4.19	4.98	4.54	-2.59	2.34	-1.69	-0.35	-2.77	4.56	9.95	5.80	1.71	-2.60	-2.60	4.82	3.49	2.04	2.10
	15.00	1128.45	137.74	142.93	94.38	23.21	-0.26	-115.64	1.29	-11.19	-37.23	-9.71	-23.23	-44.26	-29.64	-324.22	-39.03	-102.73	-49.83	0.00	-21.14	-12.32	-21.78	0.05
	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	135.86	145.30	137.98	133.77	113.50	68.07	91.74	91.25	48.13	69.73	74.12	68.05	63.68	46.55	59.69	-284.96	-663.27	5.19	71.76	119.42	100.59	47.57	65.15	45.27
	-11.16	-14.23	-14.90	-13.34	-10.48	-6.09	-7.91	-6.76	-3.67	-6.54	-6.84	-6.56	-10.02	-7.25	-5.59	23.09	38.63	-0.09	-5.01	-11.09	-9.06	-3.43	-5.36	-3.40
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.72	-1.52	-0.45	0.00	0.00	28.54	21.69	-4.95	0.00	0.00	0.00	0.00	0.00	-2.64	-8.22	-3.61	-10.77
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N