US Army Corps of Engineers

Grand Coulee Dam

January 2022

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 94814 3951 142 149.90 161.10 161.10 0.00 1285.40 1285.59 966.65 318.94 0.00 0 1568.14
2 89472 3728 137 136.60 152.60 152.60 0.00 1285.00 1285.06 965.98 319.08 0.00 0 1568.12
3 84001 3500 137 125.40 143.80 143.80 0.00 1284.50 1284.77 964.98 319.79 0.00 0 1568.14
4 83726 3489 135 135.80 144.70 144.70 0.00 1284.30 1284.45 965.17 319.28 0.62 409 1568.16
5 83250 3469 134 128.00 141.90 141.90 0.00 1284.00 1284.16 964.67 319.49 0.00 0 1568.20
6 89569 3732 134 139.00 152.80 152.80 0.00 1283.60 1283.67 965.84 317.83 0.00 0 1568.23
7 67161 2798 123 119.80 114.70 114.70 0.00 1283.70 1283.60 962.48 321.12 0.00 0 1568.22
8 71157 2965 126 131.80 121.10 121.10 0.00 1284.00 1283.95 962.75 321.20 0.00 0 1568.21
9 73358 3057 121 125.40 124.60 124.60 0.00 1284.00 1283.98 962.85 321.13 0.00 0 1568.21
10 74959 3123 133 122.60 127.70 127.70 0.00 1283.90 1283.83 963.51 320.32 0.00 0 1568.20
11 69592 2900 147 114.30 117.10 117.10 0.00 1283.80 1283.76 962.86 320.90 1.35 0 1568.13
12 66685 2779 140 118.90 113.40 113.40 0.00 1284.00 1283.87 962.58 321.29 0.00 0 1568.02
13 82544 3439 139 121.00 140.30 140.30 0.00 1283.50 1283.64 964.32 319.32 0.00 0 1567.94
14 86965 3624 128 125.90 151.90 151.90 0.00 1282.80 1283.10 965.54 317.56 0.00 0 1567.90
15 84627 3526 130 134.10 148.10 148.10 0.00 1282.50 1282.71 964.56 318.15 0.00 0 1567.90
16 127.80 145.00 145.00 0.00 1282.00 1282.28 964.66 317.62 1567.90
17 120.40 142.50 142.50 0.00 1281.40 1281.72 964.68 317.04 1567.90
18 124.70 130.10 130.10 0.00 1281.30 1281.37 963.40 317.97 1567.93
19 122.80 144.80 144.801280.67 1280.70 964.85 1.60 963.25 1500.00
20 114.80 120.20 120.20 0.00 1280.50 1280.58 962.50 318.08 1568.22
21 125.50 126.60 126.60 0.00 1280.40 1280.58 963.10 317.48 1568.29
22 125.80 143.00 143.00 0.00 1279.90 1280.17 964.81 315.36 1568.41
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TOT1201880  2006           
AVG 80125 3339 134 126.83 136.73 136.73 58.21 1282.96 1268.71 920.43 348.28 0.13 27 1565.02
MAX 94814   149.90 161.10 161.101280.67 1285.40 1285.59 966.65 963.25 1.35 409 1568.41
MIN 66685   114.30 113.40 113.40 0.00 1279.90 964.85 1.60 315.36 0.00 0 1500.00