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: 10/21/2008

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	70.51	57.38	51.57	35.75	25.11	7.18	67.06	76.12	54.42	51.26	50.36	49.13	55.63	64.44	68.51	57.76	55.19	75.01	139.03	64.99	55.44	62.76	55.00	49.07
	0.85	1.72	1.95	1.71	0.18	0.36	3.46	4.01	2.86	2.76	2.46	2.46	2.90	2.70	2.73	3.12	2.97	4.05	7.18	3.11	2.47	3.01	2.50	2.59
	-55.59	-27.70	-17.53	-5.29	-22.27	0.00	-1.28	0.00	0.00	-0.65	-5.59	-2.63	0.00	-16.77	-20.58	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	20.48	31.10	33.98	29.20	5.23	6.84	62.70	72.57	51.65	48.04	42.94	44.35	52.76	46.83	47.55	54.66	52.19	71.01	132.66	62.61	53.74	60.02	52.72	46.45
	-0.07	-0.14	-0.20	-0.18	-0.08	0.02	0.22	0.46	0.08	0.11	-0.03	-0.01	0.03	-0.12	-0.09	0.02	-0.03	0.04	0.81	0.72	0.76	0.27	0.21	-0.03
	-6.49	-3.29	-2.08	-0.63	-2.65	0.00	-0.15	0.00	0.00	-0.08	-0.67	-0.31	0.00	-1.98	-2.44	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	57.56	50.81	47.39	34.43	19.96	7.18	67.10	76.47	54.99	51.60	49.43	49.04	56.34	60.85	63.86	58.23	55.53	75.38	140.03	65.58	56.07	63.37	55.51	48.92
	0.79	1.58	1.83	1.62	0.18	0.36	3.79	4.36	3.42	3.25	2.83	2.99	3.61	3.00	2.86	3.59	3.31	4.41	8.19	3.69	3.09	3.61	3.01	2.43
	-42.71	-21.27	-13.46	-4.06	-17.11	0.00	-0.98	0.00	0.00	-0.50	-4.29	-2.02	0.00	-12.88	-15.81	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	18.41	29.28	32.32	28.06	4.43	6.68	60.63	70.43	49.90	46.41	41.29	42.72	50.94	44.92	45.44	52.77	50.71	68.90	128.61	61.13	52.52	58.54	51.60	45.35
	-0.60	-1.14	-1.34	-1.16	-0.22	-0.14	-1.81	-1.68	-1.67	-1.51	-1.51	-1.55	-1.79	-1.55	-1.60	-1.87	-1.51	-2.07	-3.24	-0.75	-0.46	-1.22	-0.90	-1.14
	-4.95	-2.47	-1.56	-0.47	-1.98	0.00	-0.11	0.00	0.00	-0.06	-0.50	-0.24	0.00	-1.51	-1.84	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	14.07	27.95	32.10	28.75	2.67	52.98	62.33	72.11	51.57	47.86	42.31	44.04	52.73	44.97	45.20	54.64	52.22	70.97	131.85	61.89	52.98	59.75	52.50	46.49
	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
	0.00	0.00	0.00	0.00	0.00	-16.02	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

HUD VL 61758	57.25	50.61	47.26	34.40	19.81	7.23	67.11	76.42	54.84	51.48	49.29	48.89	56.17	60.65	63.66	58.03	55.39	75.20	139.90	65.60	56.07	63.27	55.38	48.84
	0.76	1.54	1.80	1.62	0.17	0.41	3.81	4.30	3.27	3.13	2.72	2.85	3.45	2.88	2.75	3.39	3.17	4.23	8.06	3.71	3.09	3.52	2.88	2.35
	-42.41	-21.12	-13.36	-4.03	-16.97	0.00	-0.98	0.00	0.00	-0.49	-4.27	-2.00	0.00	-12.80	-15.72	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	57.77	51.23	48.07	35.02	20.02	7.36	68.46	78.28	56.44	53.02	50.61	50.32	57.88	61.99	65.08	74.72	91.84	84.91	149.07	70.11	67.51	93.55	79.95	50.02
	0.95	1.99	2.51	2.20	0.24	0.54	5.15	6.17	4.87	4.66	4.01	4.27	5.16	4.13	4.07	5.30	4.88	6.45	11.59	5.40	4.63	5.40	4.43	3.53
	-42.74	-21.29	-13.47	-4.07	-17.12	0.00	-0.98	0.00	0.00	-0.50	-4.29	-2.02	0.00	-12.88	-15.82	-14.78	-34.74	-7.49	-5.63	-2.83	-9.90	-28.39	-23.02	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

MHK VL 61756	20.16	31.30	34.45	29.68	5.23	7.01	63.51	73.17	52.15	48.68	43.58	45.05	53.61	47.51	48.21	55.52	52.95	72.22	134.87	63.15	54.21	61.07	53.42	47.20
	0.11	0.29	0.40	0.34	0.05	0.19	1.04	1.06	0.58	0.75	0.67	0.73	0.88	0.73	0.81	0.88	0.73	1.25	3.03	1.26	1.24	1.31	0.92	0.71
	-5.99	-3.06	-1.96	-0.60	-2.52	0.00	-0.14	0.00	0.00	-0.07	-0.60	-0.28	0.00	-1.82	-2.21	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	57.69	50.83	47.38	34.40	20.02	7.18	67.04	76.41	54.89	51.52	49.37	48.95	56.23	60.81	63.84	58.09	55.41	75.21	139.82	65.52	55.99	63.26	55.41	48.86
	0.77	1.53	1.77	1.57	0.17	0.36	3.73	4.30	3.33	3.16	2.75	2.89	3.50	2.92	2.78	3.45	3.19	4.24	7.97	3.64	3.02	3.51	2.91	2.37
	-42.85	-21.35	-13.51	-4.08	-17.18	0.00	-0.99	0.00	0.00	-0.50	-4.31	-2.02	0.00	-12.93	-15.87	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	57.65	50.92	47.52	34.55	19.99	7.20	67.42	76.83	55.38	51.98	49.78	49.40	56.77	61.17	64.18	58.61	55.90	75.84	140.70	65.91	56.39	63.74	55.80	49.14
	0.85	1.68	1.95	1.73	0.21	0.38	4.11	4.72	3.82	3.63	3.18	3.35	4.04	3.31	3.16	3.97	3.68	4.87	8.86	4.02	3.41	3.98	3.30	2.65
	-42.73	-21.29	-13.47	-4.07	-17.12	0.00	-0.98	0.00	0.00	-0.50	-4.29	-2.02	0.00	-12.89	-15.82	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

NORTH 61755	11.58	25.09	29.19	26.35	2.09	6.56	54.89	62.08	44.04	40.60	36.67	38.30	46.11	39.13	39.98	47.92	45.17	62.10	115.60	52.98	47.12	54.71	47.79	42.45
	-1.09	-2.17	-2.47	-2.27	-0.02	-0.26	-7.41	-10.03	-7.53	-7.24	-5.49	-5.67	-6.62	-5.41	-4.70	-6.72	-7.05	-8.88	-16.25	-8.90	-5.85	-5.05	-4.71	-4.04
	1.39	0.70	0.44	0.13	0.56	0.00	0.03	0.00	0.00	0.02	0.14	0.07	0.00	0.42	0.52	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	65.46	54.79	49.90	35.20	23.11	55.00	66.79	75.71	54.26	50.97	49.71	48.82	55.54	62.82	66.56	57.66	54.99	74.69	137.98	64.43	84.95	60.50	54.93	48.98
	0.83	1.65	1.87	1.64	0.19	2.02	3.29	3.61	2.69	2.53	2.32	2.40	2.82	2.61	2.65	3.03	2.77	3.72	6.14	2.54	2.76	2.35	2.43	2.50
	-50.55	-25.18	-15.94	-4.81	-20.25	-16.02	-1.16	0.00	0.00	-0.59	-5.08	-2.39	0.00	-15.24	-18.72	0.00	0.00	0.00	0.00	0.00	1.45	-3.89	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	18.63	28.49	31.20	26.95	4.60	49.88	56.62	65.14	45.71	42.23	37.51	38.69	46.18	48.95	47.95	45.01	46.56	62.92	116.71	56.05	48.61	54.48	48.98	43.27
	-1.24	-2.35	-2.73	-2.35	-0.39	-3.10	-5.84	-6.98	-5.86	-5.70	-5.38	-5.62	-6.55	-7.34	-7.68	-5.70	-5.66	-8.05	-15.13	-5.83	-4.37	-5.27	-3.52	-3.21
	-5.79	-2.89	-1.83	-0.55	-2.32	-16.02	-0.13	0.00	0.00	-0.07	-0.58	-0.27	0.00	3.06	3.26	0.94	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	44.20	42.22	40.51	30.52	14.71	53.65	61.74	69.64	49.80	45.50	42.58	43.00	50.43	51.12	53.10	52.78	48.88	66.63	124.64	58.74	51.09	56.97	50.54	44.18
	-0.53	-1.00	-1.24	-1.15	-0.24	0.67	-1.29	-2.48	-1.77	-2.72	-2.81	-2.49	-2.29	-3.09	-3.45	-1.85	-3.35	-4.34	-7.21	-3.14	-1.89	-2.78	-1.96	-2.31
	-30.65	-15.27	-9.66	-2.92	-12.28	-16.02	-0.71	0.00	0.00	-0.36	-3.08	-1.45	0.00	-9.25	-11.36	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

WEST 61752	19.70	29.49	32.13	27.61	4.93	6.37	58.21	66.95	47.02	43.47	38.67	39.91	47.64	42.49	43.17	49.57	47.64	64.63	120.85	57.83	50.22	56.10	50.13	44.11
	-0.93	-1.73	-2.03	-1.77	-0.35	-0.45	-4.27	-5.16	-4.55	-4.46	-4.30	-4.44	-5.08	-4.47	-4.47	-5.06	-4.58	-6.34	-10.99	-4.06	-2.76	-3.66	-2.37	-2.38
	-6.56	-3.26	-2.06	-0.62	-2.62	0.00	-0.15	0.00	0.00	-0.08	-0.66	-0.31	0.00	-1.99	-2.45	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