P-4A

Page Ref: P-4A

Time Weighted/Integrated Real Time LBMP - Zonal

--- LBMP $

--- Marginal Cost of Losses

--- Marginal Cost of Congestion

Zonal Prices

Date: 09/25/2001

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	33.32	31.71	26.90	27.83	27.01	36.11	42.58	39.52	34.79	32.41	32.38	35.78	33.80	35.41	33.48	33.71	35.73	33.36	29.63	32.73	30.92	26.94	25.32	21.17
	2.11	2.05	1.75	1.76	1.73	2.29	3.00	2.34	2.16	1.94	1.79	1.89	1.70	1.85	1.81	1.67	1.69	1.73	1.65	1.96	1.59	1.26	1.09	0.82
	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

CENTRL 61754	30.20	28.65	24.29	25.17	24.42	32.69	38.20	35.89	31.48	29.41	29.52	32.69	30.95	32.37	30.53	30.91	32.82	30.52	27.00	29.71	28.39	24.91	23.55	20.07
	-1.01	-1.01	-0.86	-0.89	-0.86	-1.13	-1.37	-1.29	-1.15	-1.06	-1.07	-1.20	-1.15	-1.19	-1.14	-1.13	-1.22	-1.11	-0.97	-1.06	-0.94	-0.77	-0.69	-0.28
	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

DUNWOD 61760	32.22	30.41	25.73	26.68	25.92	34.91	41.32	39.26	34.43	32.20	32.49	36.06	34.09	35.49	33.46	33.97	36.05	33.39	29.40	32.37	30.79	26.85	25.33	21.04
	1.00	0.74	0.58	0.62	0.64	1.09	1.75	2.08	1.80	1.73	1.90	2.17	1.99	1.94	1.78	1.94	2.02	1.76	1.43	1.59	1.46	1.16	1.09	0.69
	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

GENESE 61753	31.12	29.68	25.14	26.04	25.24	33.80	39.50	36.93	32.44	30.32	30.40	33.63	31.88	33.30	31.48	31.69	33.59	31.26	27.68	30.51	29.10	25.51	24.04	20.33
	-0.10	0.02	-0.01	-0.02	-0.04	-0.02	-0.07	-0.25	-0.19	-0.15	-0.19	-0.26	-0.21	-0.26	-0.19	-0.34	-0.44	-0.37	-0.29	-0.27	-0.23	-0.18	-0.19	-0.01
	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

H Q 61844	31.37	29.82	25.26	26.18	25.38	33.92	39.69	37.34	32.79	30.61	30.72	34.06	32.30	33.77	31.85	32.20	34.26	31.84	28.17	30.98	29.50	25.77	24.28	20.26
	0.16	0.15	0.11	0.11	0.10	0.10	0.11	0.16	0.16	0.14	0.14	0.17	0.20	0.21	0.18	0.17	0.22	0.22	0.19	0.20	0.17	0.09	0.05	-0.09
	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

HUD VL 61758	31.81	30.05	25.45	26.38	25.61	34.40	40.60	38.53	33.80	31.59	31.85	35.33	33.44	34.87	32.88	33.37	35.44	32.84	28.96	31.88	30.36	26.50	24.97	20.79
	0.59	0.39	0.30	0.31	0.33	0.58	1.03	1.35	1.17	1.12	1.26	1.45	1.34	1.32	1.21	1.33	1.40	1.21	0.99	1.11	1.03	0.82	0.73	0.45
	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

LONGIL 61762	32.56	30.80	26.05	27.08	27.32	36.63	43.05	39.71	34.80	31.81	32.71	36.33	34.34	35.75	33.69	34.21	36.32	42.34	48.17	45.33	41.79	27.24	25.58	21.30
	1.34	1.14	0.90	1.02	1.07	1.70	2.38	2.53	2.16	1.98	2.12	2.44	2.25	2.19	2.02	2.17	2.29	2.00	1.66	1.96	1.79	1.47	1.34	0.96
	0.00	0.00	0.00	0.00	-0.96	-1.12	-1.10	0.00	0.00	0.64	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-8.71	-18.53	-12.60	-10.67	-0.09	0.00	0.00

MHK VL 61756	31.89	30.29	25.66	26.58	25.77	34.41	40.27	37.60	32.99	30.78	30.87	34.22	32.40	33.87	31.94	32.30	34.30	31.87	28.19	31.03	29.55	26.03	24.60	20.62
	0.67	0.62	0.51	0.52	0.49	0.59	0.70	0.42	0.35	0.30	0.28	0.33	0.31	0.32	0.27	0.26	0.27	0.25	0.22	0.26	0.22	0.34	0.36	0.28
	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

MILLWD 61759	31.79	30.00	25.39	26.33	25.57	34.41	40.69	38.65	33.90	31.69	31.98	35.49	33.57	34.96	32.95	33.47	35.53	32.91	28.99	31.91	30.37	26.49	25.00	20.78
	0.57	0.33	0.24	0.26	0.29	0.59	1.12	1.47	1.27	1.22	1.39	1.60	1.47	1.40	1.28	1.43	1.50	1.28	1.01	1.13	1.04	0.81	0.76	0.44
	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.Y.C. 61761	32.74	30.90	26.14	27.11	26.35	35.56	42.20	40.11	35.11	32.83	33.14	36.80	34.76	36.15	34.06	34.62	36.71	33.95	29.88	32.89	31.26	27.23	25.70	21.28
	1.53	1.24	0.99	1.04	1.07	1.74	2.63	2.93	2.48	2.36	2.56	2.92	2.66	2.59	2.39	2.59	2.68	2.32	1.90	2.12	1.93	1.54	1.46	0.93
	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

NORTH 61755	31.60	30.04	25.44	26.36	25.55	34.14	39.99	37.58	33.02	30.82	30.93	34.29	32.52	34.01	32.08	32.43	34.50	32.06	28.36	31.19	29.68	25.90	24.39	20.34
	0.39	0.37	0.29	0.30	0.27	0.32	0.41	0.40	0.38	0.35	0.34	0.41	0.43	0.46	0.40	0.39	0.47	0.43	0.38	0.42	0.35	0.22	0.15	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

NPX 61845	32.07	30.47	25.85	26.75	25.97	34.76	40.98	38.30	33.68	31.42	31.49	34.85	33.00	34.55	32.66	32.97	34.96	32.49	28.76	31.72	30.05	26.21	24.69	20.62
	0.86	0.80	0.69	0.68	0.69	0.94	1.41	1.12	1.04	0.95	0.90	0.96	0.90	0.99	0.99	0.93	0.93	0.86	0.78	0.95	0.72	0.53	0.45	0.27
	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

O H 61846	30.05	28.76	24.40	25.33	24.54	32.72	37.48	35.31	30.85	28.92	29.02	32.15	30.44	31.73	29.98	30.30	32.23	30.11	26.67	29.07	28.09	24.89	23.50	20.19
	-1.17	-0.90	-0.75	-0.73	-0.74	-1.09	-2.10	-1.87	-1.78	-1.56	-1.57	-1.74	-1.66	-1.82	-1.69	-1.73	-1.80	-1.51	-1.31	-1.70	-1.24	-0.80	-0.74	-0.16
	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

PJM 61847	20.08	6.15	6.48	9.96	10.00	10.99	36.37	35.51	31.09	29.05	29.26	32.51	30.78	32.20	30.34	30.81	32.82	30.52	26.97	29.52	28.38	25.00	23.62	19.98
	-1.32	-1.21	-1.03	-1.02	-0.99	-1.42	-2.07	-1.67	-1.55	-1.42	-1.33	-1.37	-1.32	-1.36	-1.33	-1.22	-1.21	-1.10	-1.01	-1.26	-0.95	-0.69	-0.62	-0.37
	9.81	22.30	17.64	15.08	14.29	21.41	1.13	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

WEST 61752	30.12	28.83	24.48	25.40	24.61	32.80	37.50	35.37	30.90	28.99	29.10	32.23	30.51	31.83	30.06	30.35	32.30	30.19	26.76	29.16	28.23	25.05	23.65	20.33
	-1.10	-0.83	-0.67	-0.67	-0.67	-1.02	-2.08	-1.81	-1.73	-1.48	-1.49	-1.65	-1.58	-1.73	-1.61	-1.68	-1.73	-1.44	-1.22	-1.62	-1.10	-0.63	-0.59	-0.01
	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