Proven electricity generators driven by coal, gas, hydro or nuclear with a small land footprint are far less damaging to the environment of land and sea than the Whirling Triffids
"I saw them now with a disgust that they had never roused in me before. Horrible alien things which some of us had somehow created, and which the rest of us, in our careless greed, had cultured all over the world. One could not even blame nature for them." -- Bill Masen, in “The Day of the Triffids”
Wind turbines need a huge area to generate significant electricity. An area the size of Wales would need to be covered in wind turbines just to meet one sixth of UK’s daily energy needs.