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: 05/01/2007

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	75.98	38.33	10.84	39.36	6.52	62.08	67.20	68.47	46.59	52.65	79.37	67.62	48.48	61.75	60.01	65.61	63.60	80.86	99.80	127.24	137.96	56.59	59.02	54.26
	3.62	1.73	0.47	1.66	0.29	3.09	3.77	4.11	2.73	3.19	4.80	3.90	2.45	3.01	2.85	3.03	2.98	3.73	4.73	6.52	6.40	2.74	3.21	2.76
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.43	-2.30	-1.04	-0.98	0.00	-1.02	-0.27	0.00	0.00	0.00	0.00	0.00	-2.13
	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	70.71	35.74	10.18	37.09	6.13	57.93	62.73	64.47	44.22	49.85	75.52	64.13	44.59	58.80	57.18	63.84	60.54	77.90	96.36	122.61	133.06	54.19	55.98	48.24
	-1.65	-0.86	-0.19	-0.60	-0.11	-1.07	-0.71	0.10	0.35	0.39	0.95	0.84	0.87	1.10	1.00	1.27	0.93	1.04	1.28	1.89	1.50	0.34	0.17	-1.37
	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	-0.25
	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	78.10	39.13	11.02	39.89	6.61	63.03	68.73	70.89	48.61	54.90	82.82	80.41	101.51	88.05	84.96	69.77	89.67	91.74	105.29	133.25	144.87	59.31	61.18	55.49
	5.75	2.52	0.65	2.19	0.37	4.04	5.29	6.53	4.74	5.43	8.25	7.22	4.75	6.40	6.21	7.19	6.65	8.55	10.22	12.53	13.31	5.46	5.38	4.53
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-9.89	-53.05	-23.94	-22.57	0.00	-23.42	-6.33	0.00	0.00	0.00	0.00	0.00	-1.60
	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	65.67	33.36	9.59	34.84	5.77	54.19	58.21	59.86	41.40	46.59	70.76	60.37	42.26	55.66	54.10	60.33	57.62	74.31	92.05	116.87	126.81	51.72	53.60	45.32
	-6.69	-3.24	-0.78	-2.86	-0.46	-4.80	-5.22	-4.50	-2.47	-2.88	-3.81	-2.92	-1.47	-2.05	-2.08	-2.24	-1.99	-2.54	-3.02	-3.84	-4.75	-2.12	-2.20	-4.24
	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.19
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N

H Q 61844	71.80	36.49	10.33	37.59	6.21	50.00	0.00	0.00	42.78	48.18	72.53	61.45	42.50	56.08	54.58	60.72	57.84	74.77	92.55	117.50	128.63	77.83	0.00	48.81
	-0.55	-0.12	-0.04	-0.11	-0.02	-0.36	-0.91	-1.81	-1.09	-1.29	-2.04	-1.84	-1.22	-1.63	-1.60	-1.85	-1.77	-2.09	-2.52	-3.22	-2.93	-1.76	-0.77	-0.56
	0.00	0.00	0.00	0.00	0.00	-3.05	58.10	70.51	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	-4.35	30.42	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	77.73	38.98	11.00	39.77	6.59	62.81	68.41	70.41	48.28	54.55	82.30	77.49	88.04	81.66	78.93	69.19	83.41	89.53	104.60	132.41	143.96	58.94	60.77	55.06
	5.38	2.37	0.63	2.08	0.35	3.82	4.98	6.05	4.42	5.09	7.73	6.76	4.42	5.94	5.77	6.62	6.17	7.90	9.53	11.69	12.40	5.09	4.97	4.11
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-7.45	-39.89	-18.01	-16.97	0.00	-17.63	-4.77	0.00	0.00	0.00	0.00	0.00	-1.59
	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	80.79	40.51	11.39	41.17	6.83	64.99	80.64	79.51	68.98	71.76	86.80	86.44	102.55	89.44	86.26	80.25	91.10	93.54	108.85	138.27	147.64	74.39	78.83	62.15
	8.43	3.90	1.02	3.47	0.60	6.00	7.61	8.92	6.28	7.22	10.44	9.42	5.77	7.79	7.50	9.49	8.06	10.35	12.62	15.72	16.08	6.95	7.00	5.89
	0.00	0.00	0.00	0.00	0.00	0.00	-9.59	-6.22	-18.83	-15.07	-1.79	-13.74	-53.06	-23.95	-22.58	-8.19	-23.43	-6.33	-1.15	-1.83	0.00	-13.60	-16.02	-6.90
	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	72.13	36.45	10.34	37.60	6.22	59.04	63.88	65.21	44.60	50.30	75.87	64.34	44.46	59.47	57.78	63.50	61.24	78.17	96.48	122.71	133.80	54.54	56.27	49.57
	-0.23	-0.15	-0.03	-0.10	-0.02	0.04	0.45	0.85	0.73	0.84	1.31	1.04	0.73	0.94	0.83	0.92	0.84	1.10	1.41	2.00	2.24	0.69	0.46	0.05
	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	-0.82	-0.78	0.00	-0.80	-0.22	0.00	0.00	0.00	0.00	0.00	-0.15
	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	77.92	39.04	11.00	39.81	6.59	62.91	68.60	70.71	48.48	54.84	82.73	80.09	100.10	87.29	84.23	69.59	88.93	91.42	105.16	133.08	144.73	59.24	61.04	55.32
	5.57	2.44	0.63	2.11	0.36	3.92	5.16	6.34	4.61	5.37	8.16	7.17	4.72	6.27	6.08	7.02	6.52	8.39	10.09	12.37	13.17	5.40	5.24	4.34
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-9.63	-51.66	-23.32	-21.98	0.00	-22.80	-6.16	0.00	0.00	0.00	0.00	0.00	-1.61
	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	79.15	39.31	11.06	40.05	6.63	63.35	69.59	73.41	54.82	59.63	84.17	82.01	101.88	88.60	85.66	72.55	90.22	94.41	109.97	134.83	157.27	59.73	62.16	57.41
	6.12	2.70	0.69	2.35	0.40	4.35	5.72	7.02	5.08	5.84	8.87	7.79	5.10	6.94	6.72	7.81	7.19	9.29	10.96	13.22	14.22	5.89	5.78	4.55
	-0.67	0.00	0.00	0.00	0.00	0.00	-0.43	-2.02	-5.87	-4.32	-0.73	-10.93	-53.06	-23.95	-22.76	-2.17	-23.43	-8.26	-3.94	-0.89	-11.48	0.00	-0.58	-3.49
	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	71.42	36.33	10.28	37.41	6.19	58.48	62.61	63.00	42.73	48.08	72.36	61.21	42.31	55.79	54.25	60.28	57.47	74.43	92.22	117.31	128.36	52.47	54.23	48.64
	-0.93	-0.28	-0.10	-0.28	-0.05	-0.51	-0.83	-1.36	-1.14	-1.39	-2.21	-2.08	-1.41	-1.91	-1.93	-2.29	-2.14	-2.43	-2.85	-3.40	-3.19	-1.37	-1.57	-0.73
	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	76.79	38.65	10.92	39.56	59.98	62.48	67.57	68.89	46.94	53.10	80.11	71.82	67.38	70.63	68.40	66.18	72.29	78.00	100.66	128.18	86.00	84.00	59.35	54.52
	4.44	2.04	0.55	1.86	2.09	3.49	4.13	4.52	3.07	3.64	5.54	4.65	2.90	3.56	3.39	3.60	3.52	4.23	5.59	7.47	4.09	4.41	3.55	3.26
	0.00	0.00	0.00	0.00	-25.55	0.00	0.00	0.00	0.00	0.00	0.00	-3.87	-20.76	-9.37	-8.83	0.00	-9.16	0.05	0.00	0.00	1.98	-4.35	0.00	-1.90
	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	63.04	32.08	9.27	33.85	15.00	51.80	40.00	56.28	39.24	44.04	66.98	57.41	40.56	53.40	51.93	57.98	55.56	71.74	88.92	112.84	121.86	74.11	52.33	43.41
	-9.31	-4.53	-1.10	-3.85	-4.51	-7.19	-7.08	-8.09	-4.62	-5.43	-7.59	-5.88	-3.16	-4.30	-4.25	-4.59	-4.04	-5.12	-6.16	-7.87	-9.69	-5.48	-3.48	-6.19
	0.00	0.00	0.00	0.00	12.83	0.00	11.92	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	-4.35	0.00	-0.23
	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	9.55	15.88	9.67	35.85	5.82	35.60	60.28	63.10	43.62	49.38	75.23	63.59	80.00	77.00	79.25	84.00	89.33	90.11	96.55	123.17	132.38	68.50	30.00	32.64
	-4.22	-5.31	-0.70	-1.84	-0.41	-2.64	-3.16	-1.26	-0.25	-0.08	0.66	0.30	2.47	4.03	1.58	1.16	0.90	2.20	1.48	2.46	0.82	-0.88	-1.63	-2.31
	37.50	25.29	0.00	0.00	0.00	9.07	0.00	0.00	0.00	0.00	0.00	0.00	-9.80	-12.31	-18.88	-25.32	-25.80	-14.09	0.00	0.00	0.00	5.86	-0.43	-7.42
	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	64.13	32.57	9.40	34.38	5.67	52.72	55.96	57.86	40.34	45.41	69.14	59.08	41.76	54.93	53.33	59.82	57.28	73.93	91.55	116.31	125.46	51.18	53.44	44.16
	-8.23	-4.03	-0.97	-3.32	-0.57	-6.27	-7.47	-6.50	-3.53	-4.05	-5.43	-4.22	-1.97	-2.77	-2.84	-2.75	-2.32	-2.93	-3.52	-4.41	-6.10	-2.67	-2.36	-5.46
	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	-0.25
	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N	N