US Army Corps of Engineers

Grand Coulee Dam

May 2021

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feetBanks Lake Pump kcfsBanks Lake Pump MWhBanks Lake Elev
1 48775 2032 168 112.50 85.50 85.50 0.00 1269.60 1269.40 959.28 310.12 11.80 8185 1568.52
2 115.50 84.20 84.20 0.00 1270.20 1269.98 959.01 310.97 1568.79
3 104.30 103.70 103.70 0.00 1269.80 1270.03 961.14 308.89 1569.09
4 113.30 113.80 113.80 0.00 1269.60 1269.69 961.78 307.91 1569.20
5 117.80 113.80 113.80 0.00 1269.60 1269.51 961.51 308.00 1569.83
6 123.30 102.40 102.40 0.00 1269.80 1269.70 961.16 308.54 1569.20
7 126.10 105.60 105.60 0.00 1270.10 1269.94 961.11 308.83 1569.45
8 128.40 111.80 111.80 0.00 1270.30 1270.25 961.91 308.34 1569.37
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TOT 48775  168           
AVG 48775 2032 168 117.65 102.60 102.60 0.00 1269.88 1269.81 960.86 308.95 11.80 8185 1569.18
MAX 48775   128.40 113.80 113.80 0.00 1270.30 1270.25 961.91 310.97 11.80 8185 1569.83
MIN 48775   104.30 84.20 84.20 0.00 1269.60 1269.40 959.01 307.91 11.80 8185 1568.52