You are using an older browser version. Please use a supported version for the best MSN experience.

Blazing heat waves could leave Americans in the dark this summer

Projections show two thirds of the entire U.S. are at risk for summer blackouts due to the extraordinary heat waves. NBC’s Morgan Chesky reports for TODAY on the limits of the nation’s power grid and how to prepare for blackouts.
image beaconimage beaconimage beacon