The US has committed to reaching net-zero emissions by 2050. To accomplish this goal, large cuts in emissions are necessary, especially in high-emission sectors like the building industry. Researchers use a computational model to analyze several scenarios of future building energy use in the US. They find that by tackling emissions on multiple fronts and placing focus on 'demand-side measures' that affect how power is drawn from the grid, such as technologies like electric heat pumps and smart thermostats, the US can achieve its climate goals, decrease building emissions by 91% from their 2005 peak, and save over $100 billion each year on energy costs.
The US has committed to reaching net-zero emissions by 2050. To accomplish this goal, large cuts in emissions are necessary, especially in high-emission sectors like the building industry. In an article publishing on August 18 in the journal, a team of researchers use a computational model to analyze several scenarios of future building energy use in the US.
In the United States, the authors cite, buildings -- including both public buildings, like offices, and private buildings, like homes -- contribute 35% of the country's total greenhouse gas emissions. In 2005, the US contributed 2,327 megatons of carbon dioxide in the buildings sector, setting a record for all-time high emissions. Since then, emissions have declined by 25%, and are projected to keep declining by up to another 41% by 2050.
The team modeled"low,""moderate," and"aggressive" scenarios of this"all-of-the-above menu" to determine the degree to which we can cut emissions. They found that it's possible to reduce building emissions by 91% compared to 2005 levels by 2050, and that demand-side measures that increase the flexibility of the power grid, like heat pumps and smart thermostats, could contribute up to 45% of these emissions cuts.
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