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Clean Edge, Inc., founded in 2000, serves clients working to transition to a low-carbon, clean-energy economy. The firm is a stock indexing pioneer (with stock indexes tracking clean energy, transportation, water, the grid, and the broader energy transition). It also co-produces the annual gridCONNEXT conference (convening stakeholders building a modern 21st century grid). Founder Ron Pernick, who literally wrote the book on clean-tech business & innovation (co-author, The Clean Tech Revolution, HarperCollins, 2007), works on additional select projects to forward large-scale clean-tech adoption.


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by Ron Pernick

Quarterly overview of stock index performance and the top trends impacting the state of clean tech.

As we reported last quarter, Covid-19 and the resulting pandemic brought the stock market – and the entire global economy – to its knees (with all Nasdaq-Clean Edge stock indexes down double digits during the first quarter). What a difference a quarter makes. During Q2, while the coronavirus continued to wreak havoc on the health of individuals and economies, we saw a significant stock-market market rebound, with U.S.-listed clean energy (spanning renewables, electrified transportation, storage, energy efficiency, and power conversion), weathering the impacts of coronavirus better than most ot

Stock Indexes

Nasdaq-Clean Edge stock indexes cover U.S. and global clean energy, water, and grid infrastructure markets. As of July 7, 2020, First Trust ETFs tracking the indexes equaled more than $900 million in AUM. 

  • CELS: U.S. clean energy 
  • GWE: Global wind  
  • HHO: U.S. potable water and wastewater 
  • QGRD: Global smart grid and grid infrastructure 

Q2 2020 Index Performance

Clean Edge Stock Indexes