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: 07/11/2008

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	43.54	64.53	57.68	53.95	49.97	19.58	43.96	92.46	86.24	93.83	102.21	101.60	103.08	93.59	94.97	82.29	76.58	91.20	99.13	103.07	118.30	89.78	97.11	97.32
	2.04	2.63	2.39	2.72	2.43	1.87	0.91	3.79	4.82	5.34	5.61	2.18	5.31	4.48	5.10	3.37	3.09	4.34	3.25	2.47	3.61	4.25	4.92	4.60
	0.00	-10.77	-10.12	0.00	0.00	0.00	0.00	-24.79	0.00	0.00	-3.96	-63.61	-10.31	-14.82	-2.54	-7.82	-12.49	-5.84	-42.11	-59.08	-53.24	-12.80	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	40.43	50.92	45.17	49.82	46.34	16.93	41.87	65.96	80.77	88.44	92.51	42.95	88.12	75.30	87.06	68.53	56.64	78.77	56.03	46.31	67.41	73.74	90.99	90.72
	-1.07	-1.47	-1.17	-1.41	-1.20	-0.79	-1.18	-0.80	-0.66	-0.05	-0.60	-0.22	-0.50	-0.54	-0.27	0.27	0.21	-0.11	-0.33	-0.07	-0.31	-0.46	-1.20	-2.00
	0.00	-1.26	-1.18	0.00	0.00	0.00	0.00	-2.88	0.00	0.00	-0.46	-7.35	-1.14	-1.56	0.00	2.84	4.57	2.14	-2.58	-4.86	-6.28	-1.47	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	44.90	63.49	56.38	55.19	51.02	19.14	46.69	89.29	89.72	98.06	105.92	94.63	114.32	122.15	139.36	175.50	222.31	162.43	138.29	129.75	108.51	96.95	101.92	101.28
	3.40	4.18	3.54	3.95	3.48	1.43	3.64	6.57	8.29	9.56	10.26	4.04	10.00	8.48	9.99	7.46	6.71	9.04	6.04	4.65	6.69	8.11	9.74	8.55
	0.00	-8.18	-7.69	0.00	0.00	0.00	0.00	-18.84	0.00	0.00	-3.00	-54.78	-16.84	-39.39	-42.05	-96.94	-154.60	-72.37	-78.46	-83.57	-40.38	-16.11	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	39.12	48.82	43.18	47.97	44.64	16.15	40.58	63.02	77.80	85.49	89.38	39.88	84.70	72.55	84.03	69.71	59.98	79.19	55.23	44.76	64.04	71.16	87.91	87.79
	-2.37	-3.26	-2.87	-3.27	-2.91	-1.57	-2.47	-3.02	-3.62	-3.00	-3.61	-1.46	-3.62	-2.91	-3.30	-1.39	-1.02	-1.82	-1.52	-1.24	-2.05	-2.66	-4.28	-4.94
	0.00	-0.94	-0.88	0.00	0.00	0.00	0.00	-2.16	0.00	0.00	-0.35	-5.52	-0.86	-1.17	0.00	0.00	0.00	0.00	-2.97	-4.47	-4.65	-1.09	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	41.04	50.46	73.00	50.60	47.02	17.54	42.58	62.53	79.72	86.18	90.26	34.89	85.16	72.29	12.00	69.52	59.45	78.95	52.40	40.39	59.81	65.16	90.28	91.51
	-0.46	-0.67	-0.60	-0.64	-0.52	-0.18	-0.46	-1.35	-1.70	-2.32	-2.39	-0.93	-2.31	-2.01	-2.48	-1.58	-1.55	-2.07	-1.38	-1.13	-1.63	-2.08	-1.90	-1.21
	0.00	0.00	-23.36	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	74.16	0.00	0.00	0.00	0.00	0.00	0.00	13.33	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	44.62	63.09	56.03	54.87	50.78	19.05	46.42	88.82	89.17	97.44	105.22	92.35	111.38	114.60	129.55	156.59	192.46	148.38	128.68	121.60	107.88	94.88	101.31	100.68
	3.13	3.83	3.23	3.63	3.24	1.33	3.37	6.14	7.74	8.95	9.59	3.75	9.36	7.96	9.51	7.35	6.66	8.96	5.95	4.54	6.41	7.70	9.12	7.96
	0.00	-8.12	-7.63	0.00	0.00	0.00	0.00	-18.80	0.00	0.00	-2.98	-52.77	-14.54	-32.35	-32.70	-78.14	-124.80	-58.40	-68.94	-75.54	-40.03	-14.45	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	57.10	64.69	57.44	56.28	52.00	19.45	47.64	90.53	90.95	103.43	135.54	144.83	154.18	146.16	141.74	173.93	220.25	162.87	139.09	139.52	135.63	136.52	130.91	107.54
	4.37	5.38	4.59	5.04	4.46	1.73	4.59	7.79	9.53	11.53	13.16	5.14	12.74	10.70	12.36	8.42	6.83	9.50	6.84	5.82	8.53	10.29	12.63	11.19
	-11.24	-8.18	-7.69	0.00	0.00	0.00	0.00	-18.86	0.00	-3.40	-29.74	-103.88	-53.96	-61.17	-42.05	-94.42	-152.42	-72.35	-78.47	-92.18	-65.65	-53.50	-26.10	-3.63
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

MHK VL 61756	42.27	53.22	47.06	52.02	48.30	17.98	44.04	68.31	84.01	91.53	96.20	44.45	92.17	79.92	92.65	78.92	72.58	88.34	63.39	52.80	69.77	77.00	94.87	94.84
	0.78	0.87	0.75	0.78	0.76	0.27	0.99	1.80	2.58	3.04	3.12	1.25	3.06	2.44	2.94	2.58	2.15	2.71	1.71	1.40	1.98	2.36	2.68	2.11
	0.00	-1.22	-1.15	0.00	0.00	0.00	0.00	-2.63	0.00	0.00	-0.43	-7.38	-1.64	-3.19	-2.38	-5.24	-9.44	-4.61	-7.90	-9.88	-6.34	-1.91	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	44.79	63.40	56.30	55.04	50.91	19.11	46.57	89.25	89.52	97.88	105.75	94.71	113.97	121.44	138.35	173.46	219.15	160.97	137.44	129.13	108.69	96.76	101.70	101.05
	3.29	4.05	3.41	3.80	3.37	1.39	3.52	6.41	8.09	9.39	10.08	3.96	9.82	8.33	9.85	7.45	6.73	9.06	6.04	4.64	6.62	8.00	9.51	8.33
	0.00	-8.22	-7.73	0.00	0.00	0.00	0.00	-18.96	0.00	0.00	-3.02	-54.93	-16.69	-38.83	-41.16	-94.91	-151.42	-70.89	-77.62	-82.97	-40.63	-16.03	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	109.24	73.13	56.73	55.56	51.38	19.27	47.05	94.21	138.49	145.70	155.75	147.00	162.14	169.16	184.60	217.26	262.85	208.83	187.58	167.86	152.23	134.13	162.86	141.15
	3.71	4.59	3.88	4.33	3.83	1.55	4.00	7.14	8.98	10.28	11.05	4.33	10.68	9.05	10.58	7.78	7.07	9.52	6.32	4.89	7.12	8.64	10.45	9.27
	-64.02	-17.41	-7.69	0.00	0.00	0.00	0.00	-23.19	-48.09	-46.92	-52.05	-106.85	-64.00	-85.82	-86.69	-138.38	-194.78	-118.29	-127.48	-121.46	-83.66	-52.76	-60.22	-39.16
	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	40.80	50.03	44.15	50.06	46.57	17.40	42.38	62.10	79.21	85.50	89.55	34.60	84.45	71.51	84.04	68.95	59.01	78.32	51.91	39.92	59.19	69.99	89.47	90.90
	-0.70	-1.10	-1.01	-1.17	-0.97	-0.31	-0.67	-1.77	-2.21	-2.99	-3.10	-1.22	-3.02	-2.78	-3.29	-2.15	-1.99	-2.70	-1.87	-1.60	-2.25	-2.74	-2.72	-1.82
	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	43.93	64.01	86.20	87.40	88.00	88.87	45.60	90.76	86.93	94.72	102.77	98.08	106.43	111.66	116.00	111.00	127.23	115.51	111.92	111.28	113.56	80.00	97.90	98.20
	2.43	3.16	3.23	2.87	2.49	3.75	2.55	4.50	5.50	6.22	6.56	2.55	6.40	7.08	6.47	6.27	3.75	5.24	3.81	2.88	4.11	5.16	5.71	5.48
	0.00	-9.72	-32.72	-40.19	-45.77	-24.24	0.00	-22.38	0.00	0.00	-3.57	-59.71	-12.56	-8.90	-20.88	-9.82	-62.48	-29.25	-54.33	-66.87	-48.00	5.72	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	36.63	45.94	68.76	45.13	42.05	14.82	19.99	58.45	71.04	78.07	81.36	40.00	42.44	66.13	76.29	64.34	55.75	73.63	52.18	42.77	16.96	59.52	81.53	82.06
	-4.87	-6.30	-5.90	-6.11	-5.50	-2.90	-7.56	-7.97	-10.38	-10.43	-11.69	-6.17	-7.72	-9.53	-11.04	-6.76	-5.25	-7.39	-5.09	-4.01	-4.05	-7.71	-10.65	-10.66
	0.00	-1.11	-24.42	0.00	0.00	0.00	30.57	-2.55	0.00	0.00	-0.41	-0.96	6.03	-1.37	0.00	0.00	0.00	0.00	-3.50	-5.26	21.98	13.33	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	38.15	65.00	52.99	46.49	47.19	17.45	60.00	90.00	76.94	84.87	90.94	72.47	93.84	96.08	124.00	130.83	153.84	122.61	102.18	95.27	110.00	90.00	105.00	70.00
	-3.35	0.15	0.37	-4.74	-0.36	-0.27	0.67	1.31	-4.49	-3.63	-4.21	-2.45	-4.79	-3.60	4.78	0.21	-2.09	-2.84	-2.71	-1.87	2.28	3.51	2.37	2.00
	0.00	-5.48	-2.38	0.00	0.00	0.00	-1.21	-56.93	0.00	0.00	-2.50	-39.11	-11.16	-25.38	-30.57	-59.52	-94.93	-44.44	-51.11	-55.62	-64.72	-5.93	-17.86	16.19
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

WEST 61752	37.13	46.69	41.42	45.67	42.62	14.99	38.10	60.35	73.34	80.89	84.19	39.53	80.11	68.67	79.44	66.79	57.58	76.09	54.07	44.61	63.00	68.43	84.04	84.00
	-4.37	-5.69	-4.92	-5.57	-4.93	-2.72	-4.94	-6.41	-8.08	-7.60	-8.92	-3.64	-8.51	-7.17	-7.90	-4.30	-3.42	-4.93	-3.68	-2.88	-4.63	-5.75	-8.14	-8.72
	0.00	-1.25	-1.17	0.00	0.00	0.00	0.00	-2.88	0.00	0.00	-0.46	-7.35	-1.14	-1.55	0.00	0.00	0.00	0.00	-3.96	-5.96	-6.18	-1.45	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