149
World’s first megawatt-level airborne 'windmill' feeds power to grid
(interestingengineering.com)
Everything about energy production and storage.
Related communities:
I wonder how it compares in size to a traditional windmill of similar power, and how densely they hope to pack them (units per acre). I bet you can barely notice it 2 km away even though it's almost 200 feet long
2km are 1.2miles