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: 10/29/2008

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	12.47	51.61	44.75	35.00	41.28	35.85	65.67	69.56	63.41	70.72	72.30	57.19	55.25	60.45	58.54	63.05	55.93	57.38	97.08	79.39	79.98	68.18	50.40	41.89
	0.41	-0.07	0.83	0.98	1.66	1.47	2.90	3.22	2.84	3.44	3.53	2.56	2.37	2.60	2.34	2.26	1.91	1.94	3.81	2.82	2.97	2.33	1.61	1.46
	-2.70	-53.06	-25.82	-12.30	-2.30	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

CENTRL 61754	9.95	6.19	22.23	24.03	38.54	35.49	64.87	68.63	62.77	69.56	70.97	56.26	54.30	59.46	57.44	62.24	55.29	56.96	96.36	79.08	79.11	67.53	49.94	41.21
	0.21	-0.03	0.43	0.53	0.90	1.11	2.10	2.29	2.20	2.27	2.19	1.63	1.42	1.61	1.25	1.44	1.27	1.52	3.08	2.52	2.09	1.68	1.15	0.79
	-0.38	-7.59	-3.70	-1.77	-0.33	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

DUNWOD 61760	12.23	42.59	40.84	33.34	41.52	36.52	66.97	71.32	65.41	72.87	74.40	59.14	57.16	62.54	60.74	65.97	58.59	60.03	100.45	82.09	82.91	70.97	52.34	43.15
	0.63	-0.10	1.29	1.39	2.30	2.14	4.20	4.98	4.84	5.58	5.62	4.52	4.28	4.69	4.54	5.17	4.57	4.58	7.17	5.53	5.89	5.12	3.55	2.73
	-2.24	-44.07	-21.45	-10.21	-1.91	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

GENESE 61753	9.56	3.92	20.41	22.80	37.33	34.48	63.17	66.79	60.98	67.21	68.65	54.53	52.75	57.67	56.08	60.51	53.86	55.36	93.80	77.33	77.05	65.91	48.93	40.30
	-0.07	0.01	-0.26	-0.16	-0.21	0.10	0.40	0.46	0.41	-0.07	-0.12	-0.10	-0.13	-0.19	-0.12	-0.28	-0.16	-0.08	0.52	0.77	0.02	0.07	0.13	-0.12
	-0.27	-5.29	-2.57	-1.23	-0.23	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

H Q 61844	34.92	39.42	38.44	21.73	34.35	44.61	57.45	64.12	60.57	67.29	68.77	54.63	52.88	57.85	56.20	60.79	54.02	55.44	93.28	76.56	77.02	65.85	48.79	39.82
	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
	-28.08	-28.93	-4.28	0.00	-0.70	-16.05	0.85	3.56	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	11.11
	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	12.24	42.35	40.77	33.38	41.67	36.69	67.20	71.31	65.27	72.65	74.20	59.01	56.95	62.32	60.50	65.66	58.32	59.80	100.24	81.94	82.66	70.69	52.12	43.00
	0.64	-0.10	1.34	1.49	2.46	2.31	4.43	4.98	4.70	5.37	5.42	4.38	4.07	4.47	4.30	4.87	4.31	4.36	6.96	5.38	5.64	4.85	3.33	2.58
	-2.23	-43.83	-21.33	-10.16	-1.90	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

LONGIL 61762	12.54	42.57	41.31	33.94	42.49	37.16	68.30	73.20	67.34	74.08	75.73	60.33	58.37	63.57	61.98	67.38	59.96	61.39	102.48	83.70	84.51	73.08	56.72	44.64
	0.94	-0.14	1.75	1.99	3.27	2.78	5.53	6.87	6.77	6.80	6.96	5.70	5.49	5.72	5.78	6.59	5.94	5.95	9.20	7.13	7.49	7.23	5.32	4.22
	-2.24	-44.08	-21.46	-10.22	-1.91	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	-2.61	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	9.95	6.04	22.11	23.91	38.50	35.43	64.86	68.49	62.44	69.82	71.48	56.35	54.44	59.49	57.70	62.46	55.47	56.92	96.27	79.09	79.59	67.87	49.97	41.28
	0.22	-0.03	0.38	0.45	0.86	1.04	2.09	2.16	1.87	2.54	2.71	1.72	1.56	1.63	1.50	1.67	1.44	1.48	2.99	2.52	2.57	2.02	1.18	0.86
	-0.37	-7.45	-3.63	-1.73	-0.32	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

MILLWD 61759	12.23	42.72	40.88	33.36	41.52	36.52	66.99	71.29	65.34	72.78	74.30	59.11	57.12	62.50	60.68	65.87	58.50	59.94	100.40	82.09	82.85	70.88	52.24	43.07
	0.62	-0.09	1.28	1.39	2.29	2.14	4.22	4.95	4.78	5.49	5.53	4.48	4.24	4.65	4.48	5.08	4.48	4.50	7.12	5.52	5.83	5.04	3.45	2.65
	-2.25	-44.20	-21.51	-10.24	-1.92	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	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	12.26	42.60	40.87	33.38	41.58	36.60	67.20	71.73	65.82	73.40	74.90	59.56	57.56	62.98	61.19	66.47	59.04	60.47	100.98	82.49	83.37	71.39	52.63	43.34
	0.65	-0.10	1.32	1.43	2.36	2.21	4.42	5.39	5.25	6.11	6.12	4.93	4.67	5.14	4.99	5.68	5.02	5.03	7.70	5.93	6.35	5.54	3.84	2.91
	-2.24	-44.08	-21.45	-10.22	-1.91	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

NORTH 61755	8.76	-2.60	15.92	19.87	34.76	32.21	58.23	59.91	54.06	59.85	61.29	48.49	48.07	52.03	50.93	54.73	48.21	48.78	82.47	69.30	71.11	60.85	44.73	37.76
	-0.54	0.13	-1.52	-1.55	-2.49	-2.17	-4.55	-6.43	-6.51	-7.44	-7.48	-6.14	-4.81	-5.82	-5.27	-6.06	-5.81	-6.66	-10.81	-7.26	-5.91	-5.00	-4.06	-2.66
	0.07	1.34	0.66	0.31	0.06	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	55.13	40.00	40.32	34.40	43.00	46.16	59.99	67.50	63.56	70.86	72.46	57.51	55.63	60.90	59.00	63.81	56.71	58.00	97.25	79.73	80.55	68.83	50.93	42.28
	0.37	0.58	1.88	1.26	2.02	1.54	2.54	3.38	2.99	3.57	3.69	2.88	2.75	3.05	2.80	3.02	2.70	2.56	3.97	3.17	3.53	2.98	2.14	2.46
	-47.92	-28.93	-4.28	-11.41	-7.33	-16.05	0.85	3.56	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	11.11
	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	37.01	38.87	36.70	22.17	33.20	43.11	56.08	59.19	56.46	62.14	63.43	50.48	48.98	53.50	52.13	56.05	49.91	51.10	86.33	71.66	71.23	61.60	46.34	37.75
	-0.41	-0.54	-1.74	-1.00	-1.99	-1.50	-1.37	-4.93	-4.11	-5.14	-5.34	-4.15	-3.91	-4.35	-4.07	-4.74	-4.11	-4.34	-6.95	-4.90	-5.79	-4.25	-2.45	-2.08
	-30.58	-28.93	-4.28	-1.44	-1.54	-16.05	0.85	3.56	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	11.11
	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	48.00	39.87	40.00	29.23	39.93	45.75	59.94	66.40	60.09	66.32	67.16	53.26	51.35	56.43	54.56	59.64	52.68	54.68	83.60	75.58	75.41	64.52	47.68	41.08
	0.23	0.45	1.56	0.11	1.29	1.14	2.50	2.27	-0.48	-0.97	-1.62	-1.37	-1.53	-1.43	-1.63	-1.15	-1.34	-0.76	3.32	-0.98	-1.61	-1.33	-1.11	1.25
	-40.92	-28.93	-4.28	-7.39	-4.99	-16.05	0.85	3.56	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-7.63	0.00	0.00	0.00	0.00	11.11
	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	9.50	5.72	20.98	22.90	36.79	33.84	61.21	64.17	58.48	64.36	65.54	52.12	50.45	55.14	53.58	57.88	51.48	52.93	89.61	74.12	73.68	63.50	47.51	39.36
	-0.22	0.03	-0.56	-0.47	-0.82	-0.54	-1.56	-2.16	-2.08	-2.92	-3.23	-2.51	-2.44	-2.71	-2.62	-2.91	-2.54	-2.51	-3.67	-2.45	-3.34	-2.35	-1.28	-1.07
	-0.36	-7.07	-3.44	-1.64	-0.31	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