More than 3,500 jobs will be created during construction and 800 high-paying technical jobs will be permanently added.
$60 million in economic benefits are estimated to be provided to the local economy over the next decade.
Miami-Dade Water and Sewer Department cost-effectively will meet approximately half of its water reuse goals.
FPL customers will save more than $170 billion in projected fossil fuel costs during the 60 years.
The units will further increase FPL's fuel diversity as it continues moving to cleaner sources and minimizes its use of foreign oil.
The new units will allow FPL to meet the 2030 federal clean air standards.