The Biden administration wants to build 30 GW of offshore wind generation capacity by 2030. To this end, the federal government has been holding tenders for offshore wind farms and has boasted serious interest among capacity developers. Now, those same developers are dropping projects and leaving. For several years, it all seemed like smooth sailing for offshore wind. Governments were fans, there were plenty of investors willing to bet on this form of future energy, and business was good. That changed last year when the wind power industry, both…