Hornsdale Power Reserve
For Showing how One Big Battery Could Revolutionize Renewable Energy (Most Influential Projects: #24)
Elon Musk is no shrinking violet. In the midst of a heated debate on the best way to recharge South Australia's power grid, the provocative Tesla CEO threw down a daring wager. In a 9 March 2017 tweet, he promised that his company would help solve the state's chronic energy woes by building the world's largest lithium-ion battery in just 100 days—or it would be free.