- It can take a decade to build transmission lines, and construction fell to an all-time low in 2022.
- The delays make the US's aging power grid more vulnerable to extreme weather and blackouts.
- New federal rules could help break logjams over funding and environmental permits.
America's power grid is old and stressed.
Blackouts are on the rise as the climate crisis fuels more-powerful storms and as electricity demand booms from electric vehicles, data centers, and manufacturing.