New Delhi, June 24 -- The Trump administration has declared a 'power emergency' in the US Southeast as a severe heat wave strained power grids across the country.

The emergency order by the Energy Department has allowed Duke Energy Corp. to exceed certain air pollution limits, along with taking other necessary steps to increase power generation as demand soars in North and South Carolina.

Temperatures are expected to top 100F (38C) in certain parts of the Carolinas, making people run air conditioners on high and using more electricity, reported Bloomberg.

US power grids are stressed as the country is under a "dangerous heat wave" this week, stretching from the Midwest to the East Coast, with much of North Carolina and other eastern sta...