Summary:
- The recent heatwave in the United States is putting a strain on the country's power grid, as people use more electricity to cool their homes and businesses.
- Extreme temperatures can cause power lines to sag and transformers to overheat, leading to potential blackouts and disruptions in electricity supply.
- Experts warn that the aging infrastructure of the power grid in the US may not be able to handle the increasing demand for electricity during these heatwaves, and that more investment is needed to modernize and strengthen the grid.