Answer
$2047\frac{3}{7}$ kilowatt hours
Work Step by Step
Assume that h is the number of kilowatt hours.
$\frac{1}{0.07}=\frac{h}{143.32}$ cross multiply
$0.07h=143.32$ divide both sides by 0.07
$0.07h\div0.07=143.32\div0.07$ simplify
$h=2047\frac{3}{7}$