Department of Energy wasn't made when the grid came online; it was made when nuclear bombs were invented. The DoE isn't the department of electrical power security; it is the department of nuclear weapons security. The fusion energy research has been painfully underfunded because there isn't a political motivation to solve the problem. How does solving the energy crisis benefit the countries that benefit the most from it? Put another way: when you are on top of the hill, why would you flatten the landscape?