save energy — use less energy
collocationB1IELTS 5+neutralcommon
to use less electricity, gas, or power so you don’t waste it.
Say it like a native
Textbook Switch off the lights in order to conserve electrical energy.
Native Turn the lights off to save energy.
'Save energy' is the everyday phrase; 'conserve electrical energy' is formal/technical.
Pattern: save energy (by doing something)
In use
- We try to save energy by turning off the lights when we leave a room.daily life
- In my opinion, everyone should try to save energy at home, for example by using energy-efficient appliances and switching off devices when they’re not needed.IELTS speaking
Common mistake
✗ We should save the energy.
✓ We should save energy.
'Energy' here is uncountable and general — no 'the'.
Common collocations
save energy + means— energy, electricity, money on bills, by switching off
Don't confuse it
Not the same as 'save up energy,' which means to rest and get more energy in your body.