Renewable energy generates more than 20% of all the US’ electricity, a figure that continues to rise. Although by no means the biggest percentage seen on this Top 10 list, when taking into account the sheer size of the US and the energy demand it creates, this amounts to a huge number. The EIA highlights how renewable energy generation in the US has grown significantly in recent years, with renewables accounting for 21.4% of total utility-scale electricity generation in 2023 and non-hydroelectric renewables contributing 15.6% and hydroelectric 5.7%.
Wind is a growing energy generation source Stateside, making up 10% of total utility-scale electricity generation last year, up from less than 1% in 1990.
What’s causing this sheer amount of growth? Decreasing costs, state mandates, financial incentives and environmental regulations are all significant contributors, with the country aiming to further increase its renewable energy capacity to reduce dependence on fossil fuels and lower carbon emissions. Southern Company is one of the US’ leading renewable energy companies and was founded a century ago, with its establishment inspired by the hydro potential of Alabama’s rivers.
1. China
Renewable energy generation: 3,749TWh
The largest generator of renewable energy by a country mile is China. In 2023, clean power made up 35% of China’s electricity mix, with hydro the largest single source of clean power at 13%. The growth of renewable power generation in China has been colossal since 2000, far outpacing other countries worldwide. For example, China installed roughly as much solar capacity as the rest of the world combined in 2022, then doubled additional solar the following year. However, China’s position as a country heavily dependent on fossil fuels cannot be overlooked.
Coal still dominates China’ energy mix, with the country continuing to build new coal-fired power plants and 106GW of coal power capacity under construction as of 2023. China’s dual approach of expanding both renewables and fossil fuels reflects its complex energy landscape, balancing rapid economic growth with environmental concerns and energy security.
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