It also wants renewables sources to provide the equivalent of 11 per cent of Scotland's heat demand by 2020.

BBC: Energy Committee 2

They stuff paper towels down the toilets and demand more heat or air-conditioning, according to the season.

FORBES: REIT Bubble

The other 144 is utterly essential to keep lights on when unexpected demand arises from heat waves, outages or maintenance downtime.

FORBES: Brownout

During periods of high demand, the heat pump runs in reverse as a heat engine, expanding and cooling the argon and generating electricity.

ECONOMIST: Energy storage

High demand for water amid the heat wave and problems with soil shrinking as the ground warms has resulted in burst pipes and low water pressure in Oklahoma City, prompting officials to issue mandatory water-use restrictions for the first time in at least a decade, according to utilities department spokeswoman Debbie Ragan.

CNN: Heat advisories issued to states dwindles to 15

New England, New York City and Texas have enough electricity resources, the report added, but "should be closely watched" in the event of long-term heat waves and higher-than-expected demand.

CNN: graphic

In addition, with demand for candidates growing, the war for qualified talent is beginning to heat up.

FORBES: The Top 7 U.S. Cities To Find An IT Job Right Now