This is the 1450th most frequent Japanese word.
発電
Electric power generation.
発電 is used to mean 'power generation', specifically referring to the method of producing electrical energy from solar power.
太陽光発電は環境に優しい発電方法の一つです。
Solar power generation is one of the environmentally friendly power generation methods.
発電 refers to 'power generation', here specifying the production of electricity using wind turbines.
この地域では風力発電が盛んに行われています。
Wind power generation is actively carried out in this area.
発電 in this sentence means 'power generation', specifically using geothermal energy as the source.