Picture the street outside your home. Now erase the power lines. Imagine interstate highways without the unsightly cable towers that dot the expansive United States landscape. This could be the wireless future of energy if a partnership between New Zealand’s government and a startup called Emrod works out—and it all dates back to the wildest dreams of Nikola Tesla. Wireless electricity sounds like science fiction, but the technology is already realized and primed for a utility-scale case study. And in this first-of-its-kind pilot program, Powerco—New Zealand’s second-largest electricity distributor—will test Emrod technology beginning in 2021. “IT SOUNDS FUTURISTIC AND FANTASTIC...