Record of Monthly Generation (kWh)
The table below is a record of the units of electricity generated each month since the Hydro was commissioned.
15% (approx.) of the electricity is supplied to Bridge End Mill and the remaining 85% (approx.) is supplied to the National Grid.
| | 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
| Jan | 6572 | 8217 | 19422 | 8701 | 0 (ii) | 14032 | 16424 | 7548 | 14339 | 5955 | 12667 | 12577 | 10628 | 16045 |
| Feb | 5828 | 7211 | 11385 | 6133 | 0 (ii) | 7169 | 11583 | 10136 | 6357 | 8520 | 14589 | 11112 | 19496 | 9600 |
| Mar | 6117 | 2691 | 3261 | 3266 | 0 (ii) | 11441 | 8265 | 9984 | 5482 | 13747 | 10500 | 7606 | 3223 | 13230 |
| Apr | 4538 | 3139 | 10028 | 3683 | 0 (ii) | 4172 | 3882 | 79 | 3743 | 1423 | 0 (v) | 0 (v) | 2753 | 6414 |
| May | 0 (i) | 4501 | 3920 | 6765 | 6799 | 10914 | 975 | 1213 | 138 (iv) | 2214 | 0 (v) | 9396 | 1817 | 1893 |
| Jun | 0 (i) | 5276 | 7372 | 0 | 3491 | 1876 | 2808 | 1969 | 0 (iv) | 6796 | 1178 (v) | 0 (v) | 725(v) | 870 |
| Jul | 5510 | 6510 | 2482 | 4060 | 572 | 0 (i) | 7598 | 5820 | 314 (iv) | 3103 | 5384 | 799 | 2491 | 10925 |
| Aug | 6704 | 7378 | 13420 | 7261 | 8768 | 6077(iii) | 7303 | 6764 | 6929 | 9734 | 6658 | 2906 | 1401 | 7710 |
| Sept | 11597 | 13733 | 10745 | 2350 | 0 (i) | 3837 | 5989 | 7287 | 8160 | 11459 | 6564 | 2236 | 2989 | 4372 |
| Oct | 9690 | 8867 | 3163 | 12512 | 10659 | 5708 | 1787 | 12103 | 4727 | 13167 | 12925 | 13957 | 13711 | 12804 |
| Nov | 10346 | 3593 | 8648 | 1431 | 11328 | 17768 | 9367 | 7055 | 7629 | 9800 | 11449 | 11877 | 16198 | 16525 |
| Dec | 3904 | 23303 | 14918 | 0 (ii) | 15440 | 21036 | 5878 | 9981 | 16937 | 14553 | 15912 | 15894 | 8321 | |
| Annual | 70806 | 94419 | 108764 | 56122 | 57057 | 104030 | 81859 | 79939 | 74755 | 100471 | 97826 | 88360 | 83753 | |
| Notes | |
| (i) | No generation due to a prolonged period of low river level |
| (ii) | No generation due to a prolonged breakdown due to failed lower bearing |
| (iii) | Generation restricted during installation of new Variable Speed Control System |
| (iv) | Low generation due to very dry summer |
| (v) | Low generation due to very low rainfall |
