As a modern-day wonder of reinvention, Japan’s power sector rivals David Bowie, Madonna and Prince. In the decade prior to 2011, fossil fuels and nuclear power dominated the country’s grid, generating close to 90% of the island nation’s electricity. But following the devastating tsunami in 2011, Japanese authorities shut down the country’s 11 nuclear reactors (which represented about 30% of Japanese electricity at the time) and boosted imports of liquified natural gas (LNG), fuel oil and coal to burn in the country’s power plants.