A poll of 2,000 adults found those aged 25-34 are almost twice as keen to make these changes as Gen Z adults aged 18-24.
They’re also most likely to have a smart meter in their home to monitor energy usage in near-real time, while 12 per cent have worked from the office when they didn’t have to in order to save cash.
Those in this age group are also most willing to try new ways to save money in 2023 – 78 per cent compared to just 49 per cent of adults younger than them.
Showering at the gym and batch-cooking meals to make the most of the oven being on are other ways 25-34-year-olds are cutting back.
It also emerged saving money is the top New Year’s resolution, a reversal of 2022’s goals, when dealing with health and diet was more common than saving cash.
Saving energy around the home is now the third-most selected resolution, up from sixth place a year ago.
But 56 per cent are expecting 2023 to be the hardest year they’ve ever faced, in terms of finances.
Victoria Bacon, for Smart Energy GB, which commissioned the research to encourage people to upgrade their traditional meter to a smart meter, said: “It’s not surprising to see young adults, and people across all age ranges, are feeling the pinch money-wise.
“As we move into the new year, money-saving remains high on the list of priorities.
“Getting a smart meter installed at no extra cost is an effective tool to manage your energy use in near-real time, as well as taking the shock out of bills and ensuring they are accurate.”
DIY gifts can save money
The study, conducted via OnePoll, also found 35-44-year-olds are most likely to have started taking in a packed lunch to work, and have bought clothes from a charity shop.
But adults aged 55-64