The world's largest independent power producer is NextEra Energy, based in the United States. It generates electricity from a variety of sources, including wind, solar, nuclear, and natural gas, and operates one of the largest renewable energy portfolios in the world.
Solar
The United States is the largest producer of biomass energy in the world. They utilize a variety of feedstocks including agricultural residues, wood waste, and dedicated energy crops to generate renewable energy.
Plants
The USA
CATTON
total, in France
ALJ is one of the largest renewable energy company in Saudi Arabia that has worked towards developing sustainable energy in the region. Its main aim is to focus on energy efficiency and reduced consumption of finite resources.
India is the fourth largest producer of electricity, but some people in India still do not have access to electricity. 88% of their power plants use non renewable fuel and 12% use renewable fuel. Thermal, hydroelectric and renewable, and nuclear power are used, with nuclear being the fourth-largest source after the others listed. India is a leader in wind generation and number one in terms of solar energy production per watt installed.
The largest U.S. metallurgical coal producer is Arch Resources, formerly known as Arch Coal. It is a leading producer of metallurgical coal used in the production of steel.
They have both. Although not a major producer, they do have oil and gas - most of it off-shore- as a 'non-renewable' resource; and they have western winds in abundance to provide them with wind energy, a 'renewable' resource.
As of my knowledge cutoff in September 2021, China is the world's largest producer of energy, followed by the United States. China's energy production is primarily fueled by coal, while the United States relies on a mix of natural gas, coal, and renewable sources.