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: 07/08/2008

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	150.69	96.72	80.38	74.09	99.56	91.92	95.00	122.97	108.16	270.91	136.49	166.30	245.91	204.70	321.65	180.75	301.55	243.61	163.12	154.80	153.66	146.97	144.82	132.27
	8.67	4.52	0.82	2.73	1.07	1.70	5.21	7.24	6.34	-10.26	7.53	9.90	14.79	11.43	15.72	9.10	15.47	13.78	9.84	9.96	10.34	9.19	8.27	7.10
	0.00	-15.18	-65.81	-25.38	-80.53	-61.42	0.00	0.00	0.00	-439.64	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

CENTRL 61754	140.73	78.06	21.17	48.62	27.09	35.67	89.33	115.84	102.46	-114.37	129.55	157.98	234.41	197.34	313.67	175.42	292.70	234.05	155.49	145.90	143.81	137.90	136.14	124.97
	-1.29	-0.68	-0.10	-0.26	-0.05	-0.12	-0.46	0.11	0.64	-3.46	0.59	1.59	3.28	4.08	7.73	3.77	6.62	4.22	2.21	1.06	0.49	0.12	-0.41	-0.21
	0.00	-1.73	-7.52	-2.90	-9.17	-7.00	0.00	0.00	0.00	-47.56	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

DUNWOD 61760	154.78	95.68	64.92	69.44	80.71	78.06	98.57	127.90	112.17	143.83	140.28	170.31	252.10	211.72	333.95	188.92	314.46	252.57	168.90	159.56	157.60	151.32	149.37	137.31
	12.76	7.16	1.27	4.21	1.69	2.69	8.78	12.16	10.35	-14.61	11.31	13.92	20.98	18.46	28.02	17.28	28.38	22.74	15.61	14.72	14.28	13.54	12.82	12.14
	0.00	-11.51	-49.91	-19.25	-61.07	-46.57	0.00	0.00	0.00	-316.91	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

GENESE 61753	138.40	76.37	19.04	46.80	24.45	33.28	87.03	112.76	100.51	-124.63	128.75	157.44	233.99	197.70	316.48	176.50	294.05	234.47	154.93	144.96	142.66	136.89	134.84	124.00
	-3.62	-1.97	-0.44	-1.39	-0.53	-0.87	-2.76	-2.97	-1.31	-2.28	-0.22	1.05	2.87	4.44	10.55	4.85	7.97	4.63	1.64	0.12	-0.66	-0.88	-1.71	-1.18
	0.00	-1.32	-5.74	-2.21	-7.02	-5.35	0.00	0.00	0.00	-36.12	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

H Q 61844	138.79	75.25	13.44	44.87	17.52	64.85	71.43	112.45	98.84	-153.54	148.66	152.48	170.86	187.89	298.16	167.06	278.59	223.82	149.18	141.05	139.66	134.47	133.64	122.18
	-3.23	-1.77	-0.31	-1.10	-0.44	-1.31	-1.62	-3.28	-2.98	4.93	-4.08	-3.91	-4.47	-5.38	-7.77	-4.59	-7.48	-6.02	-4.10	-3.79	-3.65	-3.30	-2.91	-3.00
	0.00	0.00	0.00	0.00	0.00	-9.25	-4.72	0.00	0.00	0.00	-7.11	0.00	-9.70	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

HUD VL 61758	153.85	95.04	64.40	68.99	80.13	77.53	97.95	127.12	111.57	142.49	139.85	169.80	251.47	210.99	333.06	188.16	313.24	251.65	168.16	158.82	156.87	150.63	148.50	136.37
	11.84	6.61	1.16	3.91	1.56	2.50	8.16	11.40	9.75	-14.24	10.88	13.41	20.34	17.72	27.13	16.51	27.17	21.82	14.88	13.98	13.55	12.85	11.95	11.20
	0.00	-11.41	-49.49	-19.10	-60.61	-46.23	0.00	0.00	0.00	-315.20	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

LONGIL 61762	158.71	98.41	65.41	70.80	81.29	78.98	101.35	131.06	114.64	142.94	164.86	173.66	251.95	213.03	334.86	190.70	316.28	254.56	169.58	160.54	159.48	154.46	152.55	147.99
	16.67	9.88	1.72	5.56	2.22	3.57	11.55	15.26	12.82	-17.55	15.53	16.97	21.38	19.76	28.93	19.05	30.21	24.72	16.30	15.70	16.16	16.68	16.00	15.93
	-0.01	-11.52	-49.95	-19.26	-61.12	-46.61	0.00	-0.07	0.00	-318.96	-20.37	-0.30	0.55	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-6.88
	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	145.63	80.56	21.30	49.70	26.85	35.87	92.10	119.61	105.85	-125.76	134.50	163.44	241.71	202.37	320.70	179.57	298.78	239.60	159.68	150.67	148.87	142.93	141.14	128.71
	3.61	1.83	0.32	1.01	0.40	0.68	2.30	3.89	4.03	-7.22	5.53	7.05	10.58	9.11	14.76	7.92	12.71	9.76	6.39	5.83	5.55	5.15	4.59	3.54
	0.00	-1.71	-7.23	-2.71	-8.48	-6.39	0.00	0.00	0.00	-39.93	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

MILLWD 61759	154.55	95.55	65.17	69.44	81.02	78.26	98.34	127.66	111.99	146.14	140.21	170.27	252.17	211.73	334.07	188.92	314.46	252.59	168.86	159.47	157.53	151.28	149.20	137.03
	12.53	6.96	1.23	4.10	1.64	2.63	8.55	11.93	10.17	-14.47	11.24	13.88	21.04	18.47	28.14	17.28	28.38	22.75	15.58	14.63	14.21	13.51	12.65	11.86
	0.00	-11.58	-50.19	-19.36	-61.42	-46.84	0.00	0.00	0.00	-319.08	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

N.Y.C. 61761	155.86	96.32	65.07	69.80	80.90	78.32	104.01	147.56	140.41	214.16	238.24	186.69	253.75	242.98	332.54	213.38	316.64	255.29	173.88	173.61	167.62	174.44	205.15	196.61
	13.84	7.78	1.38	4.56	1.84	2.92	9.53	13.17	11.23	-15.68	12.13	14.95	22.62	20.15	30.42	18.90	30.56	24.42	17.04	16.11	15.31	14.39	13.89	13.25
	0.00	-11.51	-49.94	-19.26	-61.10	-46.60	-4.68	-18.66	-27.36	-388.31	-97.15	-15.35	0.00	-29.56	3.81	-22.83	0.00	-1.03	-3.56	-12.66	-8.99	-22.27	-54.71	-58.19
	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	138.30	74.93	13.37	44.64	17.42	28.01	87.06	111.95	98.53	-153.41	126.15	153.11	226.14	188.10	298.86	167.01	276.61	222.09	147.96	140.02	138.65	133.65	132.76	120.57
	-3.72	-2.09	-0.37	-1.34	-0.54	-0.79	-2.73	-3.78	-3.29	5.06	-2.82	-3.28	-4.99	-5.16	-7.07	-4.64	-9.47	-7.75	-5.32	-4.82	-4.67	-4.13	-3.79	-4.61
	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	151.95	95.91	74.03	72.02	91.82	80.84	105.05	123.43	108.18	215.56	162.50	181.00	193.85	198.94	320.37	180.36	300.85	242.66	162.54	154.30	153.27	146.77	145.05	133.02
	9.93	5.21	0.95	3.16	1.26	3.86	4.54	7.70	6.36	-10.04	9.76	10.03	11.26	10.02	14.44	8.71	14.77	12.82	9.26	9.46	9.96	8.99	8.50	7.85
	0.00	-13.68	-59.34	-22.89	-72.61	-20.07	-32.18	0.00	0.00	-384.07	-7.11	-20.13	-16.95	0.63	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

O H 61846	130.27	107.15	55.20	75.20	53.09	72.54	72.05	110.00	91.86	132.95	150.00	141.78	155.33	178.00	189.00	250.00	265.08	211.15	139.40	130.50	128.71	123.80	122.88	115.04
	-11.75	-4.15	-4.64	-5.27	-3.45	-4.59	-7.10	-8.63	-9.96	-13.67	-16.65	-14.61	-20.00	-15.27	-13.05	-13.29	-21.00	-18.68	-13.89	-14.34	-14.61	-13.98	-13.67	-10.13
	0.00	-25.63	-10.62	-10.49	-10.39	-20.23	-10.83	-30.92	0.00	-17.53	-21.01	0.00	-9.70	0.00	-0.46	-42.34	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

PJM 61847	71.05	65.00	59.16	58.16	60.90	64.00	65.00	97.89	97.97	60.81	158.35	148.24	200.00	189.01	298.22	172.32	283.68	224.10	150.74	137.95	134.75	141.73	100.00	79.76
	0.84	3.54	1.21	-1.63	-0.88	1.86	2.78	4.91	-3.86	-8.46	5.61	-8.15	2.91	-4.26	-3.73	-1.73	-2.40	-5.87	-2.83	-6.89	-8.57	4.47	2.84	2.76
	-3.60	24.21	-8.74	-13.81	-43.82	-5.23	6.11	-5.26	0.00	-227.74	-7.11	0.00	-31.46	0.00	3.98	-2.40	0.00	-0.13	-0.28	0.00	0.00	-2.86	20.34	40.80
	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	132.83	74.01	20.41	45.95	26.15	33.83	82.87	106.52	94.77	-102.77	119.55	146.13	217.68	184.56	296.96	165.09	274.99	218.56	144.29	134.45	132.11	126.75	125.43	116.95
	-9.19	-4.77	-0.97	-2.97	-1.15	-2.10	-6.93	-9.21	-7.05	6.42	-9.42	-10.26	-13.44	-8.70	-8.97	-6.56	-11.09	-11.27	-8.99	-10.38	-11.20	-11.03	-11.12	-8.22
	0.00	-1.76	-7.64	-2.94	-9.34	-7.12	0.00	0.00	0.00	-49.28	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