hydroelectric

The only way for the state to reach “net zero” emissions, he said, is an “all-of-the-above” approach that includes solar, wind, geothermal, hydroelectric, nuclear power and oil and gas.

Back then demand was much lower, and hydroelectric power stations contributed a significant share.

Located in the Democratic Republic of Congo, it would have twice the power generation of China's Three Gorges and, therefore, be the world's largest hydroelectric plant.

Zelensky said in his speech on Wednesday that Russia had destroyed all of Ukraine’s thermal power plants and a large part of its hydroelectric capacity as a way to “torment” Ukrainians ahead of winter.

Meanwhile, Addis Ababa and Cairo have been at loggerheads for more than a decade over Ethiopia's construction of a vast hydroelectric dam on the River Nile.