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: 07/07/2008

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	120.83	140.59	143.75	127.74	88.23	40.23	114.62	122.24	129.48	135.93	123.05	129.00	149.84	152.98	156.94	159.82	167.92	167.94	163.80	159.46	157.19	151.38	142.25	150.60
	6.59	7.29	6.68	5.73	4.31	1.42	5.96	7.04	7.41	7.97	7.52	7.75	9.06	8.68	8.89	8.61	9.08	9.34	9.78	9.42	9.56	8.93	8.39	6.41
	-3.37	0.00	0.00	0.00	0.00	-14.03	-9.54	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	-42.11
	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	110.26	131.50	135.08	120.31	82.45	26.14	100.09	115.48	122.61	128.83	116.21	122.03	142.24	146.35	150.63	153.87	161.67	161.71	156.03	151.85	149.30	143.51	134.34	105.90
	-0.99	-1.80	-1.98	-1.71	-1.47	-0.24	-0.12	0.27	0.54	0.87	0.68	0.78	1.45	2.05	2.58	2.66	2.82	3.11	2.02	1.82	1.66	1.06	0.48	-0.89
	-0.38	0.00	0.00	0.00	0.00	-1.60	-1.09	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	-4.71
	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	124.16	145.22	148.60	132.49	91.12	37.72	116.55	127.96	134.94	141.42	127.39	133.24	154.08	157.57	161.84	165.11	172.65	171.92	166.64	162.81	160.80	155.53	146.62	143.92
	10.73	11.92	11.53	10.47	7.21	2.28	10.19	12.76	12.87	13.46	11.87	11.99	13.29	13.27	13.80	13.90	13.80	13.32	12.62	12.77	13.17	13.08	12.77	9.93
	-2.55	0.00	0.00	0.00	0.00	-10.66	-7.24	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	-31.91
	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	107.73	128.25	131.42	117.08	80.20	25.05	96.72	111.76	119.36	125.46	113.43	119.94	140.17	144.89	149.03	152.75	161.51	162.07	155.50	150.55	147.06	141.35	132.19	102.69
	-3.44	-5.04	-5.65	-4.94	-3.72	-0.96	-3.24	-3.44	-2.71	-2.50	-2.10	-1.31	-0.62	0.59	0.99	1.53	2.67	3.47	1.49	0.52	-0.57	-1.10	-1.67	-3.05
	-0.29	0.00	0.00	0.00	0.00	-1.23	-0.83	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	-3.65
	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	79.42	131.08	135.20	120.23	82.69	-0.32	39.19	16.78	118.68	124.19	112.01	117.67	136.67	140.15	143.62	146.82	154.41	154.22	149.93	145.88	131.10	121.25	130.23	99.58
	-2.19	-2.21	-1.86	-1.78	-1.23	-0.30	-0.76	-1.90	-3.39	-3.77	-3.51	-3.58	-4.12	-4.15	-4.42	-4.38	-4.44	-4.38	-4.09	-4.15	-3.45	-3.39	-3.62	-2.50
	7.01	0.00	0.00	0.00	0.00	15.88	-9.72	41.90	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-6.98	4.50	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	123.36	144.40	147.78	131.74	90.62	37.45	115.68	127.00	133.94	140.48	126.66	132.57	153.44	156.99	161.24	164.62	172.29	171.62	166.42	162.60	160.45	154.97	145.83	142.92
	9.95	11.11	10.71	9.73	6.70	2.10	9.38	11.79	11.87	12.52	11.14	11.32	12.66	12.69	13.20	13.41	13.45	13.02	12.40	12.56	12.82	12.52	11.98	9.22
	-2.53	0.00	0.00	0.00	0.00	-10.58	-7.18	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	-31.62
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

LONGIL 61762	131.06	149.13	152.63	136.03	93.71	38.60	121.23	144.10	143.50	151.73	148.92	150.96	157.30	161.10	166.10	169.42	178.96	177.95	168.15	168.83	168.39	163.22	151.31	146.87
	13.91	15.83	15.56	14.02	9.79	3.15	13.73	16.94	16.27	16.99	15.64	15.88	16.51	16.80	16.84	16.07	15.19	14.51	13.56	14.92	16.51	16.96	16.68	12.59
	-6.27	0.00	0.00	0.00	0.00	-10.67	-8.38	-11.95	-5.17	-6.78	-17.75	-13.84	0.00	0.00	-1.22	-2.14	-4.93	-4.84	-0.57	-3.87	-4.25	-3.81	-0.78	-32.21
	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	113.69	135.72	139.45	124.12	85.31	26.87	102.88	119.03	126.58	133.13	119.67	125.63	146.71	150.46	154.57	157.73	165.53	165.22	160.13	155.95	153.56	148.15	138.79	109.78
	2.41	2.42	2.39	2.11	1.39	0.51	2.72	3.83	4.51	5.17	4.15	4.38	5.92	6.16	6.52	6.52	6.69	6.62	6.11	5.91	5.93	5.70	4.93	3.00
	-0.40	0.00	0.00	0.00	0.00	-1.58	-1.05	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	-4.70
	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	123.94	144.99	148.34	132.23	90.94	37.72	116.35	127.72	134.69	141.20	127.23	133.16	154.08	157.59	161.94	165.23	172.88	172.18	166.90	163.05	160.96	155.57	146.50	143.94
	10.49	11.69	11.27	10.22	7.02	2.21	9.95	12.52	12.62	13.24	11.71	11.91	13.29	13.28	13.89	14.02	14.04	13.58	12.87	13.01	13.33	13.13	12.65	9.75
	-2.57	0.00	0.00	0.00	0.00	-10.73	-7.28	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	0.00	0.00	-32.10
	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	124.85	146.01	149.33	133.24	91.63	37.90	117.28	128.89	136.18	142.85	129.08	134.23	154.91	158.43	167.01	170.67	203.67	189.83	172.15	169.00	190.37	209.39	203.30	186.52
	11.42	12.71	12.27	11.23	7.71	2.45	10.91	13.69	13.76	14.36	12.52	12.71	14.12	14.13	14.64	14.84	14.68	14.11	13.25	13.45	13.83	13.84	13.68	10.78
	-2.56	0.00	0.00	0.00	0.00	-10.67	-7.24	0.00	-0.34	-0.53	-1.04	-0.27	0.00	0.00	-4.32	-4.62	-30.15	-17.11	-4.88	-5.52	-28.91	-53.11	-55.76	-73.67
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

NORTH 61755	107.97	130.47	134.60	119.60	82.34	24.23	96.35	111.81	118.23	123.91	111.71	117.47	136.48	139.85	143.29	146.49	154.18	154.05	150.04	145.81	143.21	138.23	130.05	99.11
	-2.91	-2.83	-2.47	-2.41	-1.59	-0.55	-2.77	-3.39	-3.84	-4.04	-3.82	-3.78	-4.30	-4.45	-4.75	-4.72	-4.66	-4.55	-3.98	-4.22	-4.42	-4.22	-3.80	-2.97
	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	88.00	142.50	145.62	129.28	70.00	74.00	105.00	104.00	129.93	136.39	123.17	128.98	149.73	152.83	166.00	159.45	167.30	167.08	163.02	158.83	150.00	132.65	142.59	147.16
	6.40	9.20	8.55	7.27	4.98	1.09	2.11	4.36	7.86	8.43	7.64	7.73	8.94	8.52	9.02	8.25	8.46	8.48	9.00	8.80	8.64	8.01	8.73	7.14
	7.01	0.00	0.00	0.00	16.65	-57.05	-72.67	-39.06	0.00	0.00	0.00	0.00	0.00	0.00	-11.48	0.00	0.00	0.00	0.00	0.00	-13.80	4.50	0.00	-37.94
	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	75.01	121.63	124.86	111.42	76.08	6.84	43.93	21.57	109.03	113.34	101.68	107.59	125.74	134.39	133.47	136.99	150.00	147.46	150.00	137.19	118.04	110.40	121.96	95.99
	-6.60	-11.67	-12.20	-10.59	-7.84	-1.44	-2.36	-6.33	-13.04	-14.61	-13.84	-13.66	-15.05	-12.00	-14.58	-14.22	-12.79	-11.14	-12.72	-12.85	-16.51	-14.24	-11.89	-10.36
	7.01	0.00	0.00	0.00	0.00	7.57	-16.06	32.69	0.00	0.00	0.00	0.00	0.00	-3.93	0.00	0.00	-11.83	0.00	-5.55	0.00	-6.98	4.50	0.00	-4.27
	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	85.68	126.80	92.08	133.52	22.00	37.79	74.85	71.99	117.39	123.23	110.49	115.23	140.00	138.20	159.99	147.38	153.18	154.10	147.80	144.40	139.46	129.25	103.48	75.20
	4.07	-6.50	2.46	3.44	2.16	0.37	1.27	4.41	-4.68	-4.73	-5.03	-6.03	5.36	-6.11	6.55	-3.83	-5.66	-4.51	-6.22	-5.64	4.91	4.61	4.23	2.22
	7.01	0.00	-3.75	-43.87	61.83	-21.56	-43.35	-6.99	0.00	0.00	0.00	0.00	0.27	0.00	-7.94	0.00	0.00	0.00	0.00	0.00	-6.98	4.50	21.20	43.35
	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	104.50	124.21	127.52	113.69	77.48	24.55	93.51	106.62	113.24	118.26	106.25	111.95	130.48	135.02	138.78	142.24	150.59	152.09	145.62	141.32	138.23	133.06	125.66	98.84
	-6.77	-9.09	-9.55	-8.32	-6.43	-1.86	-6.72	-8.58	-8.83	-9.70	-9.27	-9.30	-10.31	-9.28	-9.26	-8.97	-8.25	-6.51	-8.40	-8.71	-9.40	-9.39	-8.19	-8.04
	-0.39	0.00	0.00	0.00	0.00	-1.63	-1.11	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	-4.79
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N