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: 12/25/2009

Name PTID	00:00 EST	01:00 EST	02:00 EST	03:00 EST	04:00 EST	05:00 EST	06:00 EST	07:00 EST	08:00 EST	09:00 EST	10:00 EST	11:00 EST	12:00 EST	13:00 EST	14:00 EST	15:00 EST	16:00 EST	17:00 EST	18:00 EST	19:00 EST	20:00 EST	21:00 EST	22:00 EST	23:00 EST

CAPITL 61757	55.31	133.67	46.41	45.67	45.41	39.77	36.92	129.63	124.72	86.17	23.42	32.27	44.70	106.36	192.63	86.24	255.45	32.05	191.51	92.50	22.51	21.07	27.21	5.12
	3.52	1.20	2.83	2.71	2.79	2.42	2.20	0.69	-0.66	0.37	1.47	1.98	2.62	1.09	-1.93	0.11	-0.90	1.99	0.91	1.54	1.38	1.30	1.47	0.29
	-0.01	-115.09	0.00	0.00	0.00	0.00	0.00	-118.83	-135.25	-80.33	0.00	0.00	-3.89	-89.43	-222.92	-84.39	-269.75	-0.01	-177.27	-68.26	0.00	0.00	-2.96	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	50.49	30.19	42.35	41.33	41.06	36.10	33.66	23.58	6.04	14.57	21.46	29.58	37.55	25.69	-2.04	11.43	18.09	29.53	33.44	29.96	20.64	19.33	22.58	4.83
	-1.30	-0.58	-1.23	-1.63	-1.55	-1.25	-1.07	-0.32	0.27	-0.14	-0.49	-0.71	-1.08	-0.43	0.67	-0.04	0.31	-0.51	-0.26	-0.57	-0.49	-0.45	-0.54	-0.01
	0.00	-13.41	0.00	0.00	0.00	0.00	0.00	-13.78	-15.65	-9.24	0.00	0.00	-0.45	-10.29	-25.66	-9.73	-31.19	0.00	-20.36	-7.83	0.00	0.00	-0.34	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	55.84	105.86	46.77	46.00	45.63	40.15	37.34	100.91	91.79	66.67	23.81	32.70	44.37	84.90	138.08	65.78	189.75	32.75	148.69	76.24	22.86	21.43	26.99	5.14
	4.05	1.27	3.19	3.03	3.01	2.80	2.62	0.80	-0.72	0.44	1.85	2.42	3.23	1.38	-2.30	0.15	-1.13	2.70	1.13	1.87	1.73	1.65	1.97	0.31
	0.00	-87.22	0.00	0.00	0.00	0.00	0.00	-90.00	-102.38	-60.76	0.00	0.00	-2.95	-67.69	-168.74	-63.90	-204.28	-0.01	-134.23	-51.66	0.00	0.00	-2.24	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	48.23	25.95	40.10	39.15	38.85	34.24	31.69	19.17	2.59	9.82	20.26	28.06	35.44	22.32	-7.09	8.91	10.94	28.27	27.97	27.06	19.67	18.35	21.32	4.62
	-3.55	-1.45	-3.48	-3.81	-3.77	-3.11	-3.03	-0.96	0.75	-0.45	-1.69	-2.23	-3.08	-1.26	1.97	-0.13	1.01	-1.78	-0.81	-1.58	-1.46	-1.42	-1.72	-0.22
	0.00	-10.02	0.00	0.00	0.00	0.00	0.00	-10.01	-11.71	-4.80	0.00	0.00	-0.34	-7.75	-19.31	-7.30	-23.34	0.00	-15.44	-5.94	0.00	0.00	-0.26	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	51.24	17.26	43.30	42.83	42.44	37.10	34.54	10.06	-9.78	5.42	21.70	29.98	37.78	15.65	-28.03	1.72	-13.25	29.55	13.15	22.42	20.89	19.55	22.53	4.79
	-0.54	-0.11	-0.28	-0.13	-0.18	-0.25	-0.18	-0.07	0.09	-0.05	-0.25	-0.30	-0.40	-0.18	0.33	-0.02	0.15	-0.49	-0.19	-0.28	-0.24	-0.22	-0.25	-0.04
	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

HUD VL 61758	55.71	105.75	46.64	45.86	45.50	40.05	37.25	100.89	91.92	66.74	23.75	32.66	44.24	84.84	138.17	65.78	189.75	32.63	148.50	76.11	22.81	21.38	26.91	5.14
	3.92	1.23	3.06	2.90	2.88	2.70	2.53	0.79	-0.71	0.42	1.79	2.38	3.11	1.32	-2.19	0.14	-1.08	2.58	1.08	1.81	1.68	1.60	1.90	0.30
	0.00	-87.15	0.00	0.00	0.00	0.00	0.00	-89.98	-102.50	-60.84	0.00	0.00	-2.95	-67.69	-168.73	-63.90	-204.23	-0.01	-134.07	-51.60	0.00	0.00	-2.23	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	56.83	106.05	47.24	46.86	46.54	40.96	38.13	101.18	91.68	66.76	59.40	73.24	73.81	102.17	137.64	65.82	239.31	87.11	150.31	76.85	74.19	69.01	27.59	26.29
	5.05	1.45	3.66	3.90	3.92	3.61	3.41	1.06	-0.84	0.53	2.42	3.20	4.20	1.83	-2.74	0.19	-1.42	3.52	1.42	2.34	2.27	2.15	2.57	0.38
	0.00	-87.23	0.00	0.00	0.00	0.00	0.00	-90.00	-102.38	-60.77	-35.03	-39.76	-31.42	-84.50	-168.74	-63.90	-254.13	-53.54	-135.55	-51.80	-50.80	-47.09	-2.24	-21.07
	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	54.78	32.28	46.00	45.22	44.98	39.49	36.80	25.26	5.72	15.28	23.30	31.98	40.63	26.99	-4.05	11.62	17.18	31.78	34.59	31.85	22.38	20.95	24.46	5.16
	2.99	0.93	2.42	2.26	2.36	2.14	2.07	0.57	-0.63	0.34	1.34	1.70	1.99	0.80	-1.45	0.09	-0.80	1.74	0.76	1.30	1.25	1.18	1.34	0.33
	0.00	-13.98	0.00	0.00	0.00	0.00	0.00	-14.57	-16.21	-9.48	0.00	0.00	-0.45	-10.36	-25.77	-9.79	-31.38	0.00	-20.49	-7.86	0.00	0.00	-0.34	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	55.76	106.80	46.71	45.93	45.56	40.07	37.28	101.90	92.93	67.36	23.77	32.68	44.33	85.58	139.96	66.49	192.03	32.67	150.02	76.72	22.82	21.39	26.97	5.14
	3.98	1.25	3.12	2.97	2.94	2.73	2.56	0.79	-0.72	0.43	1.82	2.39	3.17	1.35	-2.24	0.14	-1.10	2.62	1.11	1.84	1.70	1.62	1.93	0.31
	0.00	-88.19	0.00	0.00	0.00	0.00	0.00	-91.00	-103.52	-61.46	0.00	0.00	-2.98	-68.40	-170.57	-64.61	-206.53	-0.01	-135.58	-52.18	0.00	0.00	-2.26	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	55.98	105.92	46.95	46.13	45.76	40.29	37.47	100.94	91.74	66.69	23.90	32.82	44.53	84.98	137.97	65.79	189.68	32.91	148.75	76.34	22.95	21.51	27.10	5.15
	4.20	1.33	3.37	3.17	3.15	2.94	2.75	0.83	-0.76	0.47	1.95	2.53	3.40	1.46	-2.39	0.16	-1.18	2.86	1.20	1.98	1.82	1.74	2.08	0.32
	0.00	-87.22	0.00	0.00	0.00	0.00	0.00	-89.99	-102.37	-60.76	0.00	0.00	-2.95	-67.68	-168.73	-63.89	-204.26	-0.01	-134.21	-51.66	0.00	0.00	-2.24	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	51.61	17.35	43.52	43.05	42.69	37.34	34.83	10.13	-9.88	5.47	21.89	30.24	38.12	15.78	-28.28	1.73	-13.36	29.71	13.23	22.59	21.06	19.69	22.72	4.87
	-0.18	-0.02	-0.06	0.09	0.07	-0.01	0.10	0.01	-0.01	0.00	-0.06	-0.05	-0.06	-0.06	0.09	-0.01	0.04	-0.33	-0.10	-0.12	-0.06	-0.08	-0.07	0.03
	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	55.45	121.71	46.46	45.79	45.50	39.91	37.01	117.23	110.50	77.68	23.43	32.28	44.32	96.99	169.12	77.39	227.18	32.09	172.94	85.35	22.55	21.11	27.00	5.12
	3.66	1.23	2.87	2.83	2.88	2.56	2.28	0.72	-0.66	0.37	1.48	2.00	2.65	1.13	-1.99	0.12	-0.90	2.04	0.92	1.57	1.42	1.34	1.57	0.28
	0.00	-103.11	0.00	0.00	0.00	0.00	0.00	-106.39	-121.03	-71.84	0.00	0.00	-3.48	-80.02	-199.47	-75.54	-241.48	-0.01	-158.68	-61.07	0.00	0.00	-2.64	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	44.61	26.50	37.11	36.10	35.82	31.59	29.00	20.11	5.41	10.70	18.35	25.55	32.23	22.35	-1.60	10.04	16.26	25.82	29.69	26.24	17.94	16.73	19.54	4.39
	-7.17	-2.70	-6.47	-6.85	-6.80	-5.76	-5.73	-1.83	1.53	-0.93	-3.60	-4.73	-6.35	-2.57	4.12	-0.28	2.24	-4.22	-1.85	-3.47	-3.18	-3.05	-3.54	-0.44
	0.00	-11.83	0.00	0.00	0.00	0.00	0.00	-11.82	-13.74	-6.17	0.00	0.00	-0.40	-9.09	-22.65	-8.58	-27.42	0.00	-18.20	-7.01	0.00	0.00	-0.30	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	48.27	78.51	40.81	38.99	38.78	34.06	31.85	74.01	64.78	48.32	19.99	27.62	37.11	63.36	95.54	47.57	134.82	27.63	108.61	57.65	19.12	18.01	22.53	32.77
	-3.52	-1.51	-2.78	-3.97	-3.83	-3.28	-2.88	-0.81	0.99	-0.53	-1.96	-2.67	-3.20	-1.17	2.50	-0.14	1.25	-2.42	-1.13	-2.16	-2.01	-1.76	-1.86	0.47
	0.00	-62.65	0.00	0.00	0.00	0.00	0.00	-64.71	-73.66	-43.38	0.00	0.00	-2.12	-48.70	-121.40	-45.97	-146.97	-0.01	-96.40	-37.10	0.00	0.00	-1.61	-4.76
	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	45.72	28.37	38.16	36.94	36.66	32.22	29.64	21.68	6.80	11.84	18.75	26.09	33.09	23.75	0.38	11.04	19.08	26.34	32.22	27.50	18.28	17.10	20.08	4.51
	-6.06	-2.33	-5.42	-6.02	-5.96	-5.13	-5.09	-1.60	1.40	-0.83	-3.20	-4.20	-5.53	-2.19	3.57	-0.24	1.99	-3.71	-1.64	-3.11	-2.85	-2.67	-3.04	-0.33
	0.00	-13.32	0.00	0.00	0.00	0.00	0.00	-13.17	-15.26	-7.20	0.00	0.00	-0.44	-10.10	-25.17	-9.54	-30.49	0.00	-20.52	-7.90	0.00	0.00	-0.33	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