energy
noun [ U ]
ENVIRONMENT, NATURAL RESOURCES uk/ˈenədʒi/ usthe power from something such as electricity or oil, which can do work, such as providing light and heat:
use/consume/waste energy 80% of the energy used to wash garments is needed to heat the water.
save/conserve energy We aim to manage and conserve energy and water efficiently within all our premises.
provide/produce/generate energy These power stations work 24 hours a day, providing energy to the nation.
energy use/costs
energy supply/production
wind/wave/solar energy
See also
eco-energy
green energy
non-renewable energy
renewable energy
sustainable energy