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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 manufacturers, developers, distributors, and/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.

facts Click above to access the Nasdaq Clean Edge Green Energy Index (CELS) Fact Sheet.

Clean Edge Green Energy Index Components (Last updated March 2024)

AYIAcuity Brands, Inc.
AEISAdvanced Energy 
ALGMAllegro MicroSystems, Inc.
ALTMArcadium Lithium Plc
AMPSAltus Power, Inc.
AMRCAmeresco Inc
AMSCAmerican Superconductor
ARRYArray Technologies, Inc.
ASPNAspen Aerogels, Inc.
AYAtlantica Yield
BLDPBallard Power Systems
BLNKBlink Charging Co.
BEBloom Energy Corporation
BEPBrookfield Renewable Partners
CHPTChargePoint Holdings, Inc.
CLNEClean Energy Fuels Corp. 
CWENClearway Energy, Inc.
ENPHEnphase Energy
EVGOEVgo, Inc.
FSLRFirst Solar, Inc.
FLNCFluence Energy, Inc.
FCELFuelCell Energy, Inc.
GGRGogoro, Inc.
HASIHannon Armstrong
ITRIItron, Inc.
LNZALanzaTech Global, Inc. 
LEVLion Electric Co.
LYTSLSI Industries, Inc.
LCIDLucid Group, Inc.
MAXNMaxeon Solar Technologies, Ltd.
MNTKMontauk Renewables, Inc.
MPMP Materials Corp.
NVTSNavitas Semiconductor Corp.
NEPNextEra Energy Partners, LP
NXTNextracker, Inc. 
ONON Semiconductor
ORAOrmat Technologies, Inc.
PLUGPlug Power, Inc.
PSNYPolestar Automotive Holding UK PLC
POWIPower Integrations
RNWReNew Energy Global Plc
RIVNRivian Automotive, Inc.
SHLSShoals Technologies Group, Inc.
SEDGSolarEdge Technologies, Inc.
STEMStem, Inc.
NOVASunnova Energy International Inc.
SPWRSunPower Corporation
RUNSunrun, Inc.
TSLATesla, Inc.
OLEDUniversal Display
VICRVicor Corporation
WBXWallbox N.V.
WOLFWolfspeed Inc

constituents Click above to access an overview of all CELS Index constituents.

Clean Edge Green Energy Index Semi-Annual Changes

As a result of the March 2024 evaluation and/or intraquarterly changes, the following securities were most recently added or removed from the index: 

Additions: Arcadium Lithium Plc (New York: ALTM) and Aspen Aerogels, Inc. (New York: ASPN)

Deletions: Allego N.V. (New York: ALLG), Eos Energy Enterprises, Inc. (Nasdaq: EOSE), ESS Tech, Inc. (New York: GWH), FTC Solar, Inc. (Nasdaq: FTCI), Gevo, Inc. (Nasdaq: GEVO), Li-Cycle Corp. (New York: LICY), Livent Corporation (New York: LTHM), Microvast Holdings, Inc. (NASDAQ: MVST), TPI Composites, Inc. (Nasdaq: TPIC), and Ultralife Corp. (Nasdaq: ULBI)

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 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.).

A security's issuer must be determined by Clean Edge to 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 wherein a company has multiple business units and revenue streams, have substantial exposure to the clean-energy and low-carbon sector.

In addition, a security must pass the following screens (see complete list of index screens by clicking on the Methdology link below):

  • be listed on the Nasdaq Stock Market, the New York Stock Exchange, NYSE American, or the Cboe BZX Exchange;
  • have a minimum market capitalization of $150 million;
  • have a minimum average daily trading volume of at least 100-thousand shares;
  • have a minimum closing price of $1.00;
  • the issuer of the security may not have entered into a definitive agreement or other arrangement which would likely result in the security no longer being Index eligible;
  • may not be issued by an issuer currently in bankruptcy proceedings;
  • must not be identified by the U.S. Securities and Exchange Commission (SEC) as having used to audit its financial statements an accounting firm that has been identified by the Public Company Accounting Oversight Board (PCAOB) under the Holding Foreign Companies Accountable Act (HFCAA).

methodology Click above to access detailed CELS index methodology information.

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.

Nasdaq® is a registered trademark of Nasdaq, Inc. and Clean Edge® is a registered trademark of Clean Edge, Inc. 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 security or an overall investment strategy. Neither Nasdaq, Inc. nor Clean Edge, Inc. nor any of its affiliates makes any recommendation to buy or sell any security or any representation about the financial condition of any company. Statements regarding Nasdaq-listed or other publicly listed companies or Nasdaq Clean Edge proprietary indexes are not guarantees of future performance. Actual results may differ materially from those expressed or implied. Past performance is not indicative of future results. Investors should undertake their own due diligence and carefully evaluate companies before investing.  ADVICE FROM A SECURITIES PROFESSIONAL IS STRONGLY ADVISED.