US Army Corps of Engineers

Grand Coulee Dam

March 2025

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 29020 1209 166 47.70 54.60 54.60 0.00 1279.70 1279.71 956.87 322.84 0.02 9 1569.23
2 31053 1294 165 42.60 56.20 56.20 0.00 1279.20 1279.42 956.81 322.61 3.10 2280 1569.43
3 31938 1331 175 51.40 58.40 58.40 0.00 1279.10 1279.05 956.90 322.15 0.26 190 1569.17
4 43595 1816 184 43.60 77.40 77.40 0.00 1278.20 1278.55 958.40 320.15 0.00 0 1569.37
5 31368 1307 178 54.70 57.30 57.30 0.00 1278.10 1277.95 956.76 321.19 0.00 0 1569.28
6 35213 1467 181 50.00 62.90 62.90 0.00 1277.80 1277.63 957.74 319.89 0.00 0 1569.21
7 35325 1472 176 51.00 62.30 62.30 0.00 1277.50 1277.49 957.34 320.15 0.00 0 1569.13
8 30494 1271 173 50.40 54.90 54.90 0.00 1277.30 1277.34 957.63 319.71 0.00 0 1569.07
9 1277.20
10 1277.00
11 1276.90
12 1276.80
13 1276.40
14 1276.30
15 1276.20
16 1276.10
17 1276.01
18 1276.00
19 1275.90
20 1275.90
21 1276.00
22 1276.20
23 1276.50
24 1276.80
25 1276.90
26 1277.30
27 1277.40
28 1277.50
29 1277.40
30 1277.00
31 1276.60
TOT268006  1398           
AVG 33501 1396 175 48.92 60.50 60.50 0.00 1277.07 1278.39 957.31 321.09 0.42 310 1569.24
MAX 43595   54.70 77.40 77.40 0.00 1279.70 1279.71 958.40 322.84 3.10 2280 1569.43
MIN 29020   42.60 54.60 54.60 0.00 1275.90 1277.34 956.76 319.71 0.00 0 1569.07