Grand Coulee Dam

September 2025

Day of Month	Total Generation MWh	Average Generation MW	Station Use MWh	Inflow kcfs	Total Outflow kcfs	Generation Flow kcfs	Spill kcfs	Midnight Reservoir Elevation	Average Forebay Elevation	Average Tailwater Elevation	Average Head feet	Banks Lake Pump kcfs	Banks Lake Pump MWh	Banks Lake Elev
1	42132	1756	157	70.70	74.50	74.40	0.10	1276.40	1276.51	958.72	317.79	10.50	7171	1564.65
2	43778	1824	161	75.30	79.40	79.30	0.10	1276.00	1276.16	958.87	317.29	10.50	7172	1564.91
3	37872	1578	147	70.90	68.70	68.70	0.10	1275.80	1275.88	958.29	317.59	9.61	6593	1565.04
4	27697	1154	159	77.90	48.90	48.80	0.10	1276.30	1276.02	956.07	319.95	8.38	5661	1565.10
5	27751	1156	151	65.80	47.70	47.70	0.10	1276.60	1276.43	956.22	320.21	7.88	5526	1565.19
6	25386	1058	146	64.80	43.40	43.30	0.10	1276.90	1276.65	955.59	321.06	10.50	7176	1565.60
7	28486	1187	144	62.70	49.20	49.10	0.10	1277.00	1276.88	956.07	320.81	10.50	7174	1565.40
8				70.60	53.30	53.30	0.10	1277.10	1277.03	956.55	320.48			1566.20
9				69.40	43.10	43.10	0.10	1277.60	1277.30	955.85	321.45			1566.62
10				61.50	44.30	44.20	0.10	1277.70	1277.68	956.00	321.68			1567.01
11				65.80	48.60	48.50	0.10	1277.90	1277.84	956.06	321.78			1567.49
12				72.00	52.10	52.00	0.10	1278.20	1278.07	956.18	321.89			1567.87
13				71.20	48.60	48.60	0.10	1278.50	1278.30	955.73	322.57			1568.32
14				71.00	38.30	38.20	0.10	1279.10	1278.75	955.33	323.42			1568.76
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TOT	233102		1065
AVG	33300	1388	152	69.26	52.86	52.80	0.10	1277.22	1277.11	956.54	320.57	9.70	6639	1566.30

MAX	43778			77.90	79.40	79.30	0.10	1279.10	1278.75	958.87	323.42	10.50	7176	1568.76
MIN	25386			61.50	38.30	38.20	0.10	1275.80	1275.88	955.33	317.29	7.88	5526	1564.65