net-zero adjective 2net zero noun 1 adjective2 •Resulting in neither a surplus or deficit because gains and losses cancel out. •Of a building or system, generating as much energy through solar, wind, and other renewable resources as it uses from the electricity network.Heath's home is defined as net-zero, which means it produces as much energy as it consumes throughout the year. — 2010 net zero noun1 •Ellipsis of net zero greenhouse gas emissions; carbon neutrality.It is understood he [Chris Skidmore] had no problem in working with Rees-Mogg but wanted to continue promoting net zero. — 2022
