The US Department of Energy’s (DOE) <a href="https://eco.energy.gov/48C/s/" target="_blank">48C Portal</a> is today, May 22, opening for concept paper submission regarding up to USD 6 billion (EUR 5.54bn) in Round 2 tax credit allocations under the expanded Qualifying Advanced Energy Project Credit Allocation Program, also known as the 48C(e) programme.