SolarReserve LLC, a privately owned company based in Santa Monica, Calif., plans to make a final decision in the next six months on a site in Nye County, Nev., for what would be the world’s largest solar facility.

At the mouth of the Bay of Fundy on the border between easternmost Maine and New Brunswick, Canada, Ocean Renewable Power Co. has been testing huge undersea turbines that the company claims eventually will generate low-cost tidal power from the tidal flow in Cobscook Bay for all of Downeast Maine.

Nashville International Airport has turned a former quarry on the site into the water source for a lake plate geothermal cooling system that is cutting energy consumption by more than 50%.

One of the largest single investments in Alliant Energy’s multiyear plan to create cleaner and more efficient ways to generate electricity will be a $1-billion expansion of an Iowa wind farm, adding 500 MW of capacity to the 200 MW now in place.

Project is a milestone for South African effort to develop more than 13,000 MW of clean energy by 2030.

German engineering giant Siemens will be consolidating its position as a power player in the wind-energy business.

State regulators on July 15 rejected the deal between Hawaiian Electric and NextEra—a deal in play since 2014.