Nasdaq Clean Edge Green Energy Index (CELS)

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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 primarily manufacturers, developers, distributors, or installers of clean-energy technologies.

An  exchange traded fund, QCLN , is based on the Nasdaq Clean Edge Green Energy Index and is sponsored by First Trust Advisors L.P. See index components and learn more about our methodologies, up-to-date performance, and licensed products below.

Clean Edge Green Energy Index Components (Last updated March 2019)

Ticker Name
ALB Albermarle
AMSC American Superconductor
AMRC Ameresco Inc
AY Atlantica Yield
AYI Acuity Brands, Inc.
AEIS Advanced Energy 
AVX AVX Corporation
BLDP Ballard Power Systems
BE Bloom Energy Corporation
BEP Brookfield Renewable Partners
CSIQ Canadian Solar 
CWEN Clearway Energy, Inc.
CREE Cree, Inc.
DQ DAQO New Energy
ENS EnerSys
ENPH Enphase Energy
FSLR First Solar, Inc.
HASI Hannon Armstrong
HXL Hexcel Corporation
ITRI Itron, Inc.
JKS JinkoSolar 
Ticker Name
LFUS Littlefuse
LTHM Livent Corporation
NEP NextEra Energy Partners, LP
NIO Nio Inc.
ON ON Semiconductor
ORA Ormat Technologies, Inc.
PEGI Pattern Energy Group, Inc.
PLUG Plug Power, Inc.
POWI Power Integrations
REGI Renewable Energy Group
SEDG SolarEdge Technologies, Inc.
SPWR SunPower Corporation
RUN Sunrun, Inc.
TPIC TPI Composites, Inc.
TSLA Tesla, Inc.
TERP TerraForm Power, Inc
OLED Universal Display
VECO Veeco Instruments
VICR Vicor Corporation
VSLR Vivint Solar, Inc.

Clean Edge Green Energy Index Semi-Annual Changes

As a result of the September 2019 evaluation and intra-quarterly updates, the following securities were most recently added or removed from the Index :  

Additions: Ameresco Inc (NYSE: AMRC)

Removals: Integrated Device Technology, Inc. (IDTI)

Historical changes are available  here .

Clean Edge Green Energy Index Performance

Historical index performance is available  here .

Clean Edge Green Energy Index Methodologies

Index Calculation

The Nasdaq Clean Edge Green Energy Index (CELS) began on November 17, 2006, at a Base Value of 250.00.  Click here  to learn more.

Eligibility Criteria

To be eligible for inclusion in the Index, the security must be listed on NASDAQ, NYSE or AMEX.

Companies must receive a majority of revenues and/or profit as technology manufacturers, developers, distributors, and/or installers in one of the following sub-sectors:

  • Advanced Materials (nanotech, membranes, silicon, lithium, carbon capture and utilitization, and other materials and processes that enable clean-energy technologies);
  • Energy Intelligence (conservation, automated meter reading, energy management systems, smart grid, superconductors, power controls, etc.);
  • Energy Storage & Conversion (advanced batteries, hybrid drivetrains, hydrogen, fuel cells for stationary, portable, and transportation applications, etc.); and
  • Renewable Electricity Generation (solar, wind, geothermal, and water power).

For detailed methodology information visit here .

The Nasdaq Clean Edge Green Energy Index (CELS) is a pure play index (not diluted).

A number of differences exist between our index and others based on the selection criteria and weighting methodology applied. Our goal is to track the industry and develop an index that we believe best reflects the opportunity for U.S.-listed clean-energy companies and acts as a benchmark for the emerging clean-energy sector.

Nasdaq Clean Edge Green Energy Index (CELS) constituents must pass a rigorous screening test:

  • Listed on Nasdaq, NYSE or Amex
  • Minimum market cap of $150 million
  • Average daily trading volume of at least 100-thousand shares year-to-date
  • Minimum closing price of $1.00
  • Demonstrated ability to capture the growth potential of the clean-energy sector

Financial Products Based on the Clean Edge Green Energy Index

The  First Trust Nasdaq Clean Edge Green Energy Index Fund (QCLN)  is based on the Nasdaq Clean Edge Green Energy Index (CELS) and is sponsored by First Trust Advisors L.P.


The information contained above is provided for informational and educational purposes only, and nothing contained herein should be construed as investment advice, either on behalf of a particular financial product or an overall investment strategy. Clean Edge, Inc., does not make any recommendation to buy or sell any financial product or any representation about the financial condition of any company or fund.