Abbreviation of "renewable energy" (再生可能エネルギー): energy from renewable sources such as solar, wind, geothermal, and biomass.
政府は再エネの導入を加速するための補助金を発表した。
The government announced subsidies to accelerate the adoption of renewable energy.
この地域では風力と太陽光を組み合わせて再エネ比率を高めている。
In this region they are increasing the share of renewable energy by combining wind and solar power.
家庭用の蓄電池と再エネを連携させて電力の自給率を上げる家庭が増えている。
More households are linking home batteries with renewable energy to raise their self-sufficiency in power.