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: 07/15/2008

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	45.16	108.60	91.58	78.22	54.20	31.07	87.05	111.37	120.82	122.38	143.32	138.45	135.75	152.32	152.96	157.98	158.51	202.34	152.63	151.44	152.04	132.84	116.79	114.01
	2.00	4.81	3.66	3.18	2.08	1.25	4.02	5.34	5.66	6.04	7.48	6.84	6.82	7.36	7.08	7.19	7.49	9.93	7.79	7.56	7.86	6.71	5.36	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	-19.01
	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	42.60	102.19	86.78	73.95	51.39	29.24	82.84	106.46	116.04	117.56	136.71	132.63	129.96	146.95	147.51	152.67	152.33	194.80	145.78	144.57	145.24	126.39	111.48	91.75
	-0.56	-1.60	-1.13	-1.09	-0.73	-0.59	-0.18	0.43	0.88	1.22	0.87	1.02	1.04	1.99	1.62	1.88	1.31	2.40	0.94	0.69	1.06	0.26	0.05	-0.81
	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	-2.18
	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	46.81	111.68	94.38	80.44	55.77	32.03	90.19	116.77	127.54	128.61	149.86	145.34	142.29	159.68	160.68	166.30	166.65	212.62	159.81	158.03	158.40	138.95	122.66	114.25
	3.64	7.88	6.46	5.40	3.66	2.21	7.16	10.74	12.39	12.27	14.02	13.73	13.36	14.71	14.79	15.51	15.63	20.21	14.97	14.15	14.22	12.82	11.23	9.41
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-14.45
	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	40.85	97.69	82.80	70.32	48.90	27.83	79.37	101.58	110.53	113.05	131.95	128.57	126.37	143.35	144.28	149.01	149.01	189.87	142.38	141.68	141.29	123.09	109.24	89.04
	-2.32	-6.10	-5.11	-4.72	-3.21	-1.99	-3.66	-4.45	-4.63	-3.29	-3.89	-3.04	-2.55	-1.62	-1.60	-1.79	-2.01	-2.54	-2.46	-2.20	-2.89	-3.04	-2.19	-3.00
	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	-1.65
	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	90.32	102.05	86.57	73.89	51.37	71.39	84.47	102.97	111.71	124.35	131.89	127.74	125.11	148.37	141.75	145.92	152.99	161.34	155.06	139.78	143.90	122.63	108.57	88.15
	-1.09	-1.75	-1.35	-1.14	-0.75	-0.85	-1.83	-3.06	-3.45	-3.63	-3.95	-3.87	-3.81	-4.55	-4.13	-4.25	-4.34	-4.32	-4.29	-4.10	-4.05	-3.50	-2.86	-2.24
	-13.56	0.00	0.00	0.00	0.00	-18.12	-5.76	0.00	0.00	-2.71	0.00	0.00	0.00	-6.24	0.00	-0.99	-2.37	-11.47	-12.69	0.00	-3.10	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	46.59	111.34	94.12	80.28	55.61	31.92	89.79	116.17	126.91	128.06	149.41	144.89	141.92	159.46	160.73	166.46	166.75	212.82	159.99	158.14	158.54	138.84	122.30	113.74
	3.43	7.55	6.20	5.24	3.49	2.10	6.76	10.14	11.75	11.72	13.57	13.28	12.99	14.50	14.84	15.67	15.73	20.41	15.15	14.26	14.36	12.72	10.86	8.89
	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	-14.46
	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	48.44	113.46	96.20	81.93	56.74	32.58	92.01	118.94	131.12	135.40	153.38	149.00	145.11	161.38	162.69	168.34	168.70	214.10	161.89	159.89	160.62	142.12	151.39	131.48
	4.66	9.67	8.29	6.90	4.62	2.75	8.99	12.91	14.87	15.91	17.54	17.39	15.99	16.41	16.80	17.55	17.68	21.70	17.05	16.01	16.44	15.97	14.59	12.21
	-0.61	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-1.09	-3.14	0.00	0.00	-0.20	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.02	-25.37	-28.88
	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	44.06	105.76	89.69	76.48	53.15	30.39	85.33	109.64	119.51	121.05	141.56	137.36	134.46	151.30	152.02	156.87	156.31	199.24	149.76	148.67	149.08	130.46	114.95	94.76
	0.89	1.96	1.77	1.44	1.03	0.57	2.30	3.62	4.36	4.71	5.72	5.75	5.54	6.34	6.13	6.08	5.29	6.83	4.92	4.78	4.90	4.34	3.51	2.20
	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.17
	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	46.69	111.43	94.17	80.29	55.63	31.96	89.95	116.43	127.21	128.35	149.65	145.17	142.15	159.59	160.63	166.32	166.72	212.69	159.87	158.05	158.40	138.76	122.40	114.06
	3.52	7.64	6.26	5.25	3.51	2.14	6.92	10.41	12.05	12.01	13.81	13.57	13.22	14.63	14.75	15.53	15.69	20.28	15.03	14.16	14.22	12.64	10.97	9.14
	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	-14.53
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

N.Y.C. 61761	118.59	160.49	105.99	90.97	56.11	34.52	91.46	122.03	133.25	134.94	151.72	149.95	146.26	160.56	161.52	167.81	168.67	213.86	173.31	160.21	163.09	159.65	177.72	124.81
	3.94	8.55	6.98	5.85	3.99	2.44	7.81	11.68	13.44	13.22	14.92	14.56	14.18	15.52	15.63	16.34	16.40	21.20	15.63	14.77	14.82	13.37	11.95	10.11
	-71.49	-48.15	-11.10	-10.08	0.00	-2.26	-0.62	-4.33	-4.65	-5.38	-0.97	-3.78	-3.15	-0.07	0.00	-0.68	-1.24	-0.26	-12.84	-1.55	-4.09	-20.16	-54.33	-24.31
	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	42.09	101.41	86.01	73.45	51.10	29.34	80.71	102.41	111.09	112.35	131.14	127.02	124.36	139.73	141.00	145.73	146.01	185.52	139.83	139.11	139.24	122.14	108.21	87.66
	-1.08	-2.38	-1.90	-1.58	-1.02	-0.49	-2.32	-3.61	-4.07	-3.99	-4.70	-4.59	-4.57	-5.23	-4.89	-5.06	-5.01	-6.89	-5.01	-4.77	-4.94	-3.98	-3.23	-2.73
	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	95.42	109.70	92.47	78.91	64.00	75.00	91.00	112.29	121.99	135.65	144.37	139.57	136.80	161.43	153.92	158.86	166.00	174.79	167.78	152.08	156.79	133.56	104.52	112.00
	4.00	5.91	4.56	3.87	3.61	2.76	4.70	6.27	6.83	7.67	8.54	7.96	7.87	8.51	8.03	8.69	8.68	9.13	8.43	8.19	8.84	7.44	5.92	6.01
	-13.56	0.00	0.00	0.00	17.76	-18.12	-5.76	0.00	0.00	-2.71	0.00	0.00	0.00	-6.24	0.00	-0.99	-2.37	-11.47	-12.69	0.00	-3.10	0.00	10.16	2.91
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

O H 61846	81.61	91.35	80.01	65.76	45.70	70.50	77.32	93.31	100.34	111.71	119.65	116.68	114.95	140.00	150.00	156.91	165.00	148.00	165.00	130.69	133.39	113.31	102.06	119.45
	-9.81	-12.44	-8.37	-9.28	-6.42	-6.38	-8.98	-12.72	-14.82	-16.28	-16.19	-14.92	-13.97	-13.20	-11.69	-18.24	-15.57	-17.66	-14.11	-13.19	-14.56	-12.82	-9.37	-8.13
	-13.56	0.00	-7.47	0.00	0.00	-22.75	-5.76	0.00	0.00	-2.71	0.00	0.00	0.00	-6.52	-16.03	-25.97	-25.62	-11.47	-32.46	0.00	-3.10	0.00	0.00	-18.67
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

PJM 61847	86.60	94.92	81.53	69.43	48.03	73.33	76.99	999.70	148.99	133.51	128.83	124.78	122.51	160.00	139.96	153.36	165.54	173.98	168.00	137.61	154.18	152.62	78.00	84.00
	-4.82	-8.87	-6.38	-5.60	-4.09	1.09	2.36	3.76	4.52	5.53	-7.01	-6.83	-6.42	7.08	-5.93	3.19	8.21	8.33	8.65	-6.27	6.23	5.20	4.27	3.24
	-13.56	0.00	0.00	0.00	0.00	-18.12	5.90	-905.14	-26.97	-2.71	0.00	0.00	0.00	-6.24	0.00	-0.99	-2.37	-11.47	-12.69	0.00	-3.10	-19.72	35.02	28.14
	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	38.74	92.76	79.02	67.00	46.50	26.27	75.57	96.06	104.15	106.81	124.01	120.86	118.99	135.83	136.66	141.36	140.95	180.27	135.12	134.96	134.91	117.20	104.98	86.14
	-4.42	-11.03	-8.90	-8.04	-5.63	-3.55	-7.46	-9.96	-11.01	-9.53	-11.83	-10.75	-9.93	-9.13	-9.22	-9.43	-10.07	-12.14	-9.72	-8.92	-9.27	-8.92	-6.45	-6.43
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-2.19
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N