US Army Corps of Engineers

Bonneville Dam & Lake on Columbia River

July 2024

Day of MonthTotal Generation MWhAverage Generation MWStation Use MWhInflow kcfsTotal Outflow kcfsGeneration Flow kcfsSpill kcfsMidnight Reservoir ElevationAverage Forebay ElevationAverage Tailwater ElevationAverage Head feetProject Average Tailwater2nd Powerhouse Total MWh2nd Powerhouse Flow kcfs
1 6754 281 96 168.80 171.80 64.60 94.80 73.80 73.70 14.50 59.20 14.60 6754 64.60
2 6589 275 96 168.20 170.20 63.00 94.80 73.50 73.60 14.70 58.90 14.80 6589 63.00
3 6039 252 96 169.40 164.40 57.10 94.90 74.10 73.80 14.20 59.60 14.30 6039 57.10
4 6853 286 96 184.40 172.40 64.90 95.10 75.20 74.10 14.70 59.40 14.70 6853 64.90
5 6525 272 96 171.30 169.30 61.00 95.90 75.30 75.00 14.60 60.40 14.70 6525 61.00
6 6551 273 96 155.40 169.40 61.50 95.50 74.00 74.50 14.70 59.80 14.80 6551 61.50
7 4516 188 96 153.10 149.10 42.10 94.70 74.40 73.70 13.30 60.40 13.40 4516 42.10
8 6155 256 96 165.40 166.40 58.60 95.40 74.30 74.50 14.20 60.30 14.30 6155 58.60
9 7865 328 96 193.50 183.50 75.70 95.40 75.30 74.60 15.60 59.00 15.60 7865 75.70
10 6516 272 96 173.30 169.30 60.80 96.10 75.70 75.20 14.80 60.40 14.90 6516 60.80
11 4581 191 96 154.00 150.00 41.60 96.00 76.10 75.20 13.30 61.90 13.40 4581 41.60
12 4275 178 96 143.60 146.60 38.80 95.40 75.70 75.00 12.90 62.10 12.90 4275 38.80
13 4231 176 96 133.70 145.70 38.80 94.50 74.70 74.00 12.70 61.30 12.80 4231 38.80
14 4024 168 96 134.80 143.80 37.00 94.40 73.70 73.50 12.50 61.00 12.60 4024 37.00
15 4703 196 96 152.40 150.40 43.40 94.60 73.90 73.70 12.90 60.80 13.00 4703 43.40
16 6822 284 96 176.80 171.80 64.70 94.70 74.50 74.00 14.40 59.60 14.40 6822 64.70
17 6957 290 96 181.10 174.10 67.00 94.60 75.10 73.80 14.80 59.00 14.90 6957 67.00
18 5640 235 96 164.80 160.80 53.30 95.00 75.50 74.20 14.10 60.10 14.20 5640 53.30
19 162.10 164.10 56.50 95.10 75.40 74.40 14.20 60.20 14.30 56.50
20 157.90 161.90 54.40 95.10 75.00 74.40 14.10 60.30 14.20 54.40
21 134.00 141.00 33.90 94.70 74.30 73.80 13.00 60.80 13.10 33.90
22 140.70 149.70 44.70 92.60 73.40 73.20 13.20 60.00 13.30 44.70
23 149.70 144.70 40.40 91.90 73.90 73.30 13.00 60.30 13.10 40.40
24 154.30 151.30 44.40 94.60 74.20 73.30 13.50 59.80 13.50 44.40
25 120.50 125.50 32.30 80.80 73.70 73.20 11.60 61.60 11.70 32.30
26
27
28
29
30
31
TOT105596  1728           
AVG 5866 244 96 158.53 158.69 52.02 94.26 74.59 74.07 13.82 60.25 13.90 5866 52.02
MAX 7865   193.50 183.50 75.70 96.10 76.10 75.20 15.60 62.10 15.60 7865 75.70
MIN 4024   120.50 125.50 32.30 80.80 73.40 73.20 11.60 58.90 11.70 4024 32.30