Sinonimi: kW-hr | Board of Trade unit | b
A unit of energy equal to the work done by a power of 1000 watts operating for one hour; SYN. kW-hr, Board of Trade unit, b.t.u.
Commercial unit of electrical energy (symbol kWh), defined as the work done by a power of 1,000 watts in one hour. It is used to calculate the cost of electrical energy taken from utility-company supplies.