In Space
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China has already started to build an early experimental space power plant in the city of Chongqing,
The space solar station, planned to orbit the Earth at 36,000 kilometers (22,370 miles) could provide “an inexhaustible source of clean energy for humans,” according to Pang Zhihao, a researcher at the China Academy of Space Technology Corporation.
Such solar power technology could supply reliable energy 99 percent of the time and have six times the intensity of the solar farms that work on the earth, the scientist says.
China will start by launching small solar stations between 2021 and 2025, while a possible next step would be a Megawatt-level station planned to be built in 2030.
This is NOT a new idea. In the mid seventies , while teaching physics at Princeton, Professor Gerald K. O'Neill researched and invented much of the needed infrastructure needed to gather material from asteroids or, in particular, the moon, and build a 'construction shack' at L5.
it's bigger than the International Space Station....a bit.....314 square miles.
That's just the construction shack. From there parts for a solar power satellite are built and transported to geo-synch earth orbit.
The solar cells would power transmitters which would beam micro waves down to a rectena on earth.
China has everything it needs to do this.