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: 09/30/2001

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	30.51	27.43	26.51	24.88	25.50	22.78	9.98	17.47	19.69	18.87	25.00	27.04	23.82	23.73	20.48	22.78	26.74	27.96	30.64	32.74	32.47	33.30	37.28	26.13
	1.85	1.72	1.69	1.54	1.57	1.33	0.56	1.00	1.05	1.05	1.55	1.63	1.36	1.30	1.11	1.34	1.65	1.95	2.18	2.50	2.49	2.44	2.31	1.55
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	28.10	25.10	24.07	22.67	23.26	20.94	9.26	16.20	18.35	17.53	22.88	24.64	21.87	21.84	18.99	20.98	24.38	25.15	27.52	29.28	29.02	29.84	33.91	24.11
	-0.56	-0.62	-0.74	-0.67	-0.67	-0.51	-0.16	-0.26	-0.29	-0.29	-0.57	-0.77	-0.59	-0.59	-0.39	-0.47	-0.71	-0.85	-0.94	-0.96	-0.96	-1.02	-1.07	-0.47
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	29.39	26.24	25.27	23.66	24.25	21.86	9.63	16.95	19.39	18.62	24.62	26.73	23.60	23.60	20.36	22.51	26.38	27.36	30.02	31.80	31.42	32.29	36.57	25.37
	0.73	0.52	0.45	0.33	0.32	0.41	0.21	0.48	0.75	0.80	1.16	1.32	1.14	1.17	0.98	1.06	1.29	1.35	1.56	1.56	1.44	1.42	1.59	0.79
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	28.48	25.48	24.54	23.11	23.68	21.20	9.37	16.29	18.37	17.56	23.02	24.89	22.08	22.00	19.07	21.12	24.64	25.51	27.89	29.89	29.69	30.49	34.49	24.53
	-0.17	-0.24	-0.28	-0.23	-0.25	-0.26	-0.05	-0.18	-0.27	-0.26	-0.44	-0.52	-0.38	-0.43	-0.30	-0.32	-0.45	-0.50	-0.58	-0.35	-0.29	-0.37	-0.48	-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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00

H Q 61844	28.68	25.75	24.85	23.34	23.93	21.48	9.44	16.47	18.60	17.78	23.41	25.39	22.44	22.41	19.34	21.42	25.08	25.99	29.05	26.92	30.01	31.02	35.14	24.71
	0.02	0.03	0.04	0.00	0.00	0.02	0.02	0.00	-0.04	-0.04	-0.04	-0.03	-0.02	-0.02	-0.04	-0.03	-0.01	-0.01	-0.02	0.04	0.10	0.15	0.16	0.13
	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	0.00	-0.61	3.37	0.07	0.00	0.00	0.00

HUD VL 61758	29.23	26.14	25.20	23.60	24.19	21.74	9.57	16.80	19.18	18.40	24.30	26.38	23.30	23.28	20.09	22.21	26.03	26.99	29.62	31.40	31.03	31.90	36.11	25.09
	0.57	0.43	0.38	0.27	0.26	0.28	0.15	0.33	0.54	0.58	0.85	0.97	0.83	0.85	0.71	0.76	0.94	0.99	1.16	1.15	1.05	1.03	1.14	0.51
	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	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00

LONGIL 61762	29.86	27.01	25.86	25.22	26.18	24.84	24.49	24.73	25.27	26.52	26.76	27.63	27.41	27.61	27.55	27.76	28.14	28.77	30.57	32.26	31.97	32.64	36.96	26.17
	1.20	0.94	0.83	0.67	0.67	0.75	0.37	0.78	1.13	1.17	1.61	1.80	1.55	1.59	1.34	1.43	1.72	1.79	2.03	2.02	1.85	1.77	1.98	1.03
	0.00	-0.36	-0.21	-1.21	-1.58	-2.63	-14.70	-7.48	-5.50	-7.53	-1.69	-0.42	-3.39	-3.59	-6.83	-4.88	-1.33	-0.98	-0.07	0.00	-0.14	0.00	0.00	-0.55

MHK VL 61756	29.20	26.20	25.29	23.73	24.34	21.85	9.61	16.83	19.03	18.23	24.02	26.02	23.02	22.99	19.84	21.98	25.75	26.72	29.21	31.02	30.73	31.60	35.74	25.12
	0.55	0.49	0.47	0.40	0.41	0.40	0.19	0.36	0.39	0.41	0.57	0.61	0.56	0.56	0.47	0.53	0.66	0.71	0.74	0.78	0.75	0.73	0.76	0.54
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	29.05	25.94	24.99	23.41	23.99	21.62	9.52	16.76	19.16	18.39	24.31	26.39	23.31	23.31	20.10	22.23	26.03	27.01	29.64	31.39	31.02	31.89	36.12	25.07
	0.39	0.23	0.17	0.07	0.06	0.17	0.10	0.29	0.52	0.57	0.85	0.98	0.85	0.87	0.72	0.78	0.95	1.00	1.17	1.15	1.04	1.02	1.14	0.49
	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

N.Y.C. 61761	29.59	26.39	25.43	23.80	24.39	22.00	9.71	17.10	19.59	18.81	24.89	27.02	23.86	23.86	20.59	22.75	26.69	27.69	30.40	32.22	31.87	32.75	37.07	25.71
	0.93	0.68	0.61	0.46	0.46	0.55	0.29	0.63	0.95	0.99	1.44	1.61	1.40	1.43	1.21	1.31	1.60	1.68	1.94	1.98	1.89	1.89	2.10	1.14
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	28.91	25.94	25.05	23.50	24.09	21.63	9.51	16.60	18.74	17.93	23.62	25.61	22.64	22.59	19.50	21.59	25.31	26.24	28.71	30.58	30.36	31.27	35.39	24.87
	0.25	0.23	0.23	0.17	0.16	0.18	0.09	0.13	0.10	0.11	0.17	0.20	0.18	0.16	0.12	0.15	0.22	0.24	0.25	0.34	0.38	0.41	0.41	0.29
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	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	29.45	26.42	25.53	23.93	24.53	21.96	9.64	16.89	19.11	18.33	24.27	26.33	23.20	23.14	19.98	22.18	26.03	27.06	30.24	28.05	31.18	32.11	36.13	25.26
	0.80	0.71	0.71	0.60	0.60	0.51	0.22	0.42	0.47	0.51	0.81	0.92	0.74	0.71	0.60	0.74	0.94	1.05	1.18	1.32	1.27	1.24	1.15	0.68
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.59	3.51	0.08	0.00	0.00	0.00

O H 61846	27.91	25.03	24.10	22.71	23.26	21.01	9.28	16.07	18.23	17.23	22.31	24.06	21.40	21.42	18.55	20.39	23.71	24.47	27.02	24.22	28.06	29.15	33.76	24.02
	-0.75	-0.69	-0.72	-0.62	-0.67	-0.45	-0.14	-0.40	-0.41	-0.59	-1.14	-1.35	-1.06	-1.01	-0.83	-1.05	-1.38	-1.54	-1.72	-1.86	-1.83	-1.71	-1.21	-0.56
	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	0.00	0.00	0.00	-0.27	4.17	0.09	0.00	0.00	0.00

PJM 61847	27.91	25.04	24.12	22.65	23.23	20.99	9.24	16.17	18.36	17.49	22.86	24.72	21.87	21.88	18.89	20.71	23.80	24.64	27.41	24.58	28.16	29.16	33.42	23.51
	-0.75	-0.67	-0.70	-0.68	-0.70	-0.47	-0.19	-0.30	-0.28	-0.33	-0.59	-0.69	-0.59	-0.55	-0.49	-0.74	-1.29	-1.37	-1.53	-1.73	-1.74	-1.71	-1.56	-1.07
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	-0.47	3.93	0.08	0.00	0.00	0.00

WEST 61752	28.07	25.16	24.23	22.85	23.40	21.13	9.33	16.16	18.33	17.31	22.37	24.11	21.49	21.52	18.63	20.48	23.79	24.52	26.80	28.45	28.23	29.25	33.92	24.16
	-0.59	-0.55	-0.59	-0.49	-0.53	-0.33	-0.09	-0.31	-0.31	-0.51	-1.08	-1.30	-0.98	-0.91	-0.75	-0.97	-1.30	-1.48	-1.66	-1.79	-1.75	-1.61	-1.06	-0.42
	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00