Bonneville Dam & Lake on Columbia River
December 2023
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 | Project Average Tailwater | 2nd Powerhouse Total MWh | 2nd Powerhouse Flow kcfs |
1 | | | | 123.60 | 128.60 | 120.30 | 0.90 | 74.80 | 74.70 | 11.90 | 62.80 | 12.00 | | 87.00 |
2 | | | | 137.10 | 123.10 | 117.70 | 0.50 | 76.00 | 75.20 | 11.90 | 63.30 | 12.00 | | 86.80 |
3 | | | | 127.70 | 125.70 | 121.30 | 0.50 | 76.20 | 75.60 | 12.10 | 63.50 | 12.30 | | 86.90 |
4 | | | | 117.80 | 122.80 | 118.10 | 0.80 | 75.70 | 75.70 | 12.30 | 63.40 | 12.50 | | 84.70 |
5 | | | | 109.00 | 109.00 | 104.60 | 0.50 | 75.70 | 75.60 | 11.80 | 63.80 | 12.10 | | 86.90 |
6 | | | | 101.80 | 107.80 | 103.30 | 0.50 | 75.00 | 75.30 | 12.20 | 63.10 | 12.50 | | 88.50 |
7 | | | | 95.30 | 102.30 | 97.90 | 0.50 | 74.40 | 74.40 | 12.00 | 62.40 | 12.20 | | 88.30 |
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TOT | | | | | | | | | | | | | | |
AVG | | | | 116.04 | 117.04 | 111.89 | 0.60 | 75.40 | 75.21 | 12.03 | 63.19 | 12.23 | | 87.01 |
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MAX | | | | 137.10 | 128.60 | 121.30 | 0.90 | 76.20 | 75.70 | 12.30 | 63.80 | 12.50 | | 88.50 |
MIN | | | | 95.30 | 102.30 | 97.90 | 0.50 | 74.40 | 74.40 | 11.80 | 62.40 | 12.00 | | 84.70 |