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: 07/09/2008

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	121.07	82.35	52.78	44.73	74.59	81.56	72.22	90.94	112.39	135.17	151.51	153.62	166.09	161.54	167.49	162.89	177.40	162.19	159.90	170.09	167.80	175.16	141.19	117.29
	4.79	3.51	2.48	2.34	1.19	1.23	4.00	5.28	6.69	7.92	9.65	9.95	10.56	9.62	9.79	9.74	10.37	10.02	10.16	8.61	7.10	3.96	7.03	5.12
	-35.73	-20.00	-7.01	0.00	-52.85	-59.58	-4.50	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-45.16	-62.75	-114.20	-25.06	-30.63
	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	83.97	60.45	43.56	41.93	26.46	27.45	64.14	85.73	106.49	128.30	142.27	144.19	157.13	153.49	159.23	154.49	169.04	153.61	151.03	121.83	105.52	70.16	111.76	84.91
	-0.63	-0.66	-0.52	-0.47	-0.15	-0.13	-0.10	0.07	0.79	1.04	0.42	0.52	1.60	1.57	1.52	1.34	2.01	1.43	1.28	0.37	0.39	0.08	-0.23	-0.16
	-4.05	-2.28	-0.80	0.00	-6.06	-6.84	-0.52	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-5.15	-7.17	-13.09	-2.88	-3.53
	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	115.31	79.46	52.45	45.97	62.49	67.90	73.17	94.00	116.25	139.58	155.67	158.31	170.97	167.09	172.86	168.25	182.67	167.01	164.22	162.20	155.89	149.57	139.90	113.24
	7.70	5.46	3.85	3.57	1.80	1.92	6.04	8.35	10.55	12.32	13.81	14.64	15.43	15.17	15.15	15.10	15.64	14.83	14.47	11.69	10.41	6.08	11.82	8.50
	-27.07	-15.17	-5.32	0.00	-40.15	-45.24	-3.41	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-34.20	-47.53	-86.50	-18.98	-23.20
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

GENESE 61753	82.00	59.02	42.45	40.93	24.49	25.35	62.73	83.36	104.04	126.09	140.57	142.20	155.19	152.02	158.36	153.92	169.28	153.04	149.40	118.58	101.82	65.83	108.63	82.52
	-1.66	-1.56	-1.45	-1.47	-0.67	-0.59	-1.38	-2.29	-1.66	-1.17	-1.29	-1.47	-0.34	0.10	0.65	0.77	2.26	0.87	-0.35	-1.66	-1.59	-1.11	-2.66	-1.70
	-3.11	-1.74	-0.61	0.00	-4.61	-5.20	-0.39	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-3.93	-5.46	-9.95	-2.18	-2.67
	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	78.60	8.96	42.44	41.64	20.13	42.21	62.16	83.51	102.75	123.82	138.08	139.50	154.40	147.60	155.99	149.08	162.82	148.28	153.08	113.09	117.70	130.59	106.25	69.84
	-1.94	-0.43	-0.84	-0.76	-0.43	-0.84	-1.56	-2.15	-2.96	-3.44	-3.78	-4.17	-4.41	-4.32	-4.24	-4.07	-4.20	-3.90	-3.78	-3.22	-3.13	-3.76	-2.85	-1.67
	0.00	9.74	0.00	0.00	0.00	-4.82	0.00	0.00	0.00	0.00	0.00	0.00	-1.26	0.00	-3.28	0.00	0.00	0.00	-1.13	0.00	-0.36	-2.43	0.00	-4.98
	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	114.40	78.84	52.04	45.65	62.06	67.43	72.63	93.34	115.53	138.91	154.77	157.37	170.11	166.25	172.09	167.47	181.96	166.29	163.53	161.32	154.95	148.53	138.89	112.38
	7.04	4.96	3.48	3.25	1.65	1.75	5.52	7.68	9.83	11.65	12.91	13.70	14.58	14.33	14.39	14.32	14.93	14.11	13.79	11.09	9.86	5.76	10.97	7.83
	-26.83	-15.04	-5.28	0.00	-39.86	-44.94	-3.39	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-33.91	-47.14	-85.78	-18.81	-23.00
	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	123.28	88.15	53.73	47.10	63.05	68.52	75.16	100.16	117.73	140.60	157.88	161.57	172.25	168.58	174.00	170.07	184.33	168.77	165.58	163.14	157.29	150.93	142.94	135.04
	10.18	7.30	5.12	4.70	2.32	2.49	8.02	10.96	12.03	13.35	16.02	17.90	16.72	16.66	16.29	16.92	17.31	16.59	15.84	12.60	11.77	7.37	14.84	10.97
	-32.55	-22.00	-5.33	0.00	-40.18	-45.28	-3.42	-3.54	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-34.23	-47.57	-86.57	-18.99	-42.52
	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	86.28	62.33	44.99	43.32	26.46	27.33	66.02	88.58	109.73	132.43	147.28	149.14	161.80	157.97	163.81	158.88	173.32	157.83	155.24	125.25	108.20	71.25	115.15	86.95
	1.91	1.36	0.96	0.92	0.48	0.53	1.85	2.92	4.03	5.18	5.43	5.48	6.27	6.05	6.11	5.73	6.29	5.65	5.49	4.12	3.49	1.97	3.32	2.09
	-3.83	-2.13	-0.75	0.00	-5.44	-6.06	-0.45	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-4.81	-6.76	-12.29	-2.72	-3.32
	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	115.24	79.36	52.34	45.84	62.66	68.10	73.01	93.79	116.00	139.40	155.47	158.13	170.86	167.00	172.83	168.21	182.67	167.00	164.23	162.36	156.12	150.06	139.80	113.18
	7.48	5.27	3.70	3.44	1.74	1.85	5.85	8.13	10.30	12.14	13.61	14.46	15.33	15.08	15.13	15.06	15.64	14.82	14.48	11.63	10.35	6.03	11.60	8.30
	-27.23	-15.25	-5.35	0.00	-40.37	-45.50	-3.43	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-34.41	-47.83	-87.03	-19.09	-23.34
	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	181.35	169.24	155.39	99.07	74.39	91.84	87.67	127.63	185.82	209.63	203.70	203.18	214.43	195.56	178.44	174.38	187.24	173.72	170.81	169.11	163.79	161.72	194.38	180.08
	8.42	5.99	4.23	3.94	1.97	2.10	6.57	9.08	11.54	13.53	15.02	15.86	16.77	16.45	16.43	16.36	16.95	16.06	15.50	12.53	11.19	6.55	12.78	9.27
	-92.39	-104.41	-107.87	-52.73	-51.87	-68.99	-17.38	-32.89	-68.58	-68.84	-46.81	-43.64	-42.12	-27.19	-4.31	-4.86	-3.27	-5.48	-5.56	-40.27	-54.65	-98.17	-72.50	-89.26
	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	77.48	57.06	42.08	41.25	19.92	20.10	61.58	82.54	101.37	122.67	136.50	137.98	149.43	145.72	151.62	147.56	161.54	146.97	144.50	111.80	93.73	54.56	104.56	77.80
	-3.06	-1.78	-1.20	-1.15	-0.63	-0.64	-2.14	-3.11	-4.33	-4.59	-5.35	-5.69	-6.10	-6.20	-6.09	-5.59	-5.49	-5.20	-5.25	-4.51	-4.22	-2.43	-4.54	-3.74
	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	118.05	86.78	52.40	44.98	69.62	92.63	90.00	91.29	112.67	135.27	151.58	154.22	170.00	162.02	170.00	163.24	177.34	161.91	167.45	165.81	155.00	143.21	139.39	76.00
	5.33	1.28	2.79	2.58	1.34	2.50	3.42	5.63	6.97	8.01	9.72	10.55	11.19	10.10	9.77	10.09	10.31	9.74	10.59	8.84	8.59	8.87	7.72	4.49
	-32.18	-66.37	-6.33	0.00	-47.73	-51.89	-36.42	0.00	0.00	0.00	0.00	0.00	-1.26	0.00	-3.28	0.00	0.00	0.00	-1.13	-40.66	-25.95	-2.43	-22.56	-4.98
	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	77.24	16.20	39.87	38.40	24.07	45.27	58.51	76.03	94.70	114.38	110.00	128.66	143.13	138.44	147.05	140.76	155.41	140.00	142.73	109.55	111.87	126.26	101.63	100.00
	-6.96	-1.86	-4.14	-4.00	-1.91	-3.14	-5.67	-9.63	-11.00	-12.88	-19.67	-15.01	-15.68	-13.48	-13.18	-12.39	-11.62	-12.17	-14.13	-11.39	-11.88	-8.08	-10.04	-3.28
	-3.66	1.08	-0.72	0.00	-5.43	-10.17	-0.46	0.00	0.00	0.00	14.70	0.00	-1.26	0.00	-3.28	0.00	0.00	0.00	-1.13	-4.63	-3.28	-2.43	-2.57	-36.75
	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	65.85	55.80	43.32	38.76	47.81	72.45	61.62	81.37	110.00	160.00	132.90	144.00	165.00	144.86	166.51	146.35	160.92	146.05	162.62	135.38	141.00	139.00	117.18	70.20
	2.27	0.47	-3.79	-3.64	-1.55	0.99	-4.55	-4.29	4.45	6.58	-9.15	4.25	5.91	-7.06	6.28	-6.80	-6.10	-6.13	5.76	-5.47	4.73	5.21	-5.54	2.55
	28.12	-36.19	-3.82	0.00	-28.81	-33.23	-2.45	0.00	-5.54	-29.22	-0.19	11.86	-1.53	0.00	-3.28	0.00	0.00	0.00	-1.13	-24.54	-15.81	-1.88	-13.62	-1.12
	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	78.62	56.49	40.36	38.77	25.01	25.99	59.55	77.96	97.42	117.81	130.91	132.17	145.03	142.38	148.67	144.35	159.13	143.45	140.42	112.87	98.21	66.09	104.30	80.48
	-6.06	-4.66	-3.74	-3.63	-1.68	-1.66	-4.70	-7.70	-8.28	-9.45	-10.94	-11.50	-10.51	-9.54	-9.03	-8.80	-7.90	-8.72	-9.33	-8.67	-7.03	-4.16	-7.71	-4.62
	-4.14	-2.32	-0.81	0.00	-6.13	-6.91	-0.52	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-5.23	-7.27	-13.25	-2.91	-3.55
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N