What Defines a Cleantech Green Energy Stock?

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The Nasdaq Clean Edge Green Energy Index (CELS) is a modified market capitalization-weighted index designed to track the performance of companies that are manufacturers, developers, distributors, and/or installers of clean-energy technologies.

To be eligible for inclusion in the Index issuers of a security must be classified, according to Clean Edge, as technology manufacturers, developers, distributors, and/or installers in one or more of the following sub-sectors:

  • Advanced Materials (silicon, lithium, bio-based, and/or other materials and processes that enable clean-energy and low-carbon technologies);
  • Energy Intelligence (conservation, efficiency, smart meters, energy management systems, LEDs, smart grid, superconductors, power controls, etc.);
  • Energy Storage & Conversion (advanced batteries, power conversion, electric vehicles, hybrid drivetrains, hydrogen, fuel cells for stationary, portable, and transportation applications, etc.); and
  • Renewable Electricity Generation (solar, wind, geothermal, water power, etc.).

Also to be eligible must have a demonstrated ability to capture the potential of the clean-energy sector by receiving a majority (50% or more) of its revenue from clean-energy and low-carbon activities, “or,” in the case where a constituent has multiple business units and revenue streams, have substantial exposure to the clean-energy and low-carbon sector, according to Clean Edge.

Clean Edge is a clean-tech stock indexing pioneer, having launched the Nasdaq Clean Edge Green Energy index in 2006.

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