First Trust NASDAQ Clean Edge Green Energy Index Fund (Nasdaq GIDS: QCLN)
Year-to-date return: 93.9%
Total net assets:$86.0 million
Comment: Unlike the other broad clean energy ETFs, QCLN only focuses on U.S.-based companies. Looking at QCLN holdings, Tesla (NasdaqGS: TSLA) stands out with a 385.7% year-to-date return.