Abbreviation of エネルギー. Common in compact compounds, headlines, policy terms, and product descriptions, especially around energy saving or energy sources.
The government plans to raise the share of renewable energy.
This air conditioner has high energy-saving performance.
alternative energy; new energy
A clipped katakana abbreviation of エネルギー, meaning “energy.” It is an abbreviation and does not specify a loanword language of origin.