The Inflation Reduction Act of 2022, which allocated $386 billion for clean energy, is a major breakthrough in our nation’s struggle to address climate change.

The IRA can decrease our carbon emissions 40% by 2030, putting us within general range of our targeted 50-52% emissions reduction by then. But unless we speed up the permitting process for the transmission lines needed to convey the clean energy, we’ll realize only about 20% of the projected reduction, according to a Princeton REPEAT Project study.

It now takes 4.3 years on average to authorize a new transmission line, the Prog...