Clean Edge, Inc., founded in 2000, serves corporate, utility, and financial clients working to transition to a clean-energy economy. The firm is a clean-tech stock indexing pioneer (with multiple stock indexes tracking clean energy, transportation, water, and the grid) and 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 (The Clean Tech Revolution, HarperCollins, 2007), works on additional select projects to forward large-scale clean-tech adoption.


Ron Pernick's picture

Clean Edge’s four major stock indexes continued to outperform benchmark indexes during 2019, beating both the S&P 500 and IXE (energy select sector index) year to date (YTD). On a total return basis, CELS (U.S. clean energy) was up 20.51%, QGRD (global smart grid infrastructure) was up 25.64%, GWE (global wind) was up 18.78%, and HHO (U.S. water) increased 25.40%, compared to the S&P 500’s 18.54% increase and IXE’s 13.13% increase. Over the past 12 months (total return basis through the end of June), the Nasdaq Clean Edge Green Energy Index (CELS) beat out oil and gas, with CELS up 9.91%, compared to IXE's 13.25% decline.

During Q2 2019, QGRD (electric grid) was the top...

Stock Indexes

Nasdaq-Clean Edge stock indexes cover U.S. and global clean energy, water, and grid infrastructure markets. At the end of June, 2019, First Trust ETFs tracking the indexes equaled nearly $600 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 

2019 YTD (through end of June)

Clean Edge Stock Indexes