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The Nasdaq Clean Edge International Green Energy Index (CELSI)

The Nasdaq Clean Edge International Green Energy Index is designed to track the performance of non-US-based companies that are manufacturers, developers, distributors, and/or installers of clean-energy technologies, as classified by Clean Edge.

Nasdaq Clean Edge International Green Energy Index Top 10 Securities (last updated March 18, 2024)

TickerSecurity NameIndex Weight

IBE (Madrid)

Iberdrola S.A.

ABBN (Swiss)ABB Ltd.8.01%
SU (Paris)Schneider Electric SE7.99%
NG (London)National Grid Plc7.86%
VWS (Copenhagen)Vestas Wind Systems A/S5.71%
1211 (Hong Kong)BYD Co. Ltd.4.36%
006400 (Korea)Samsung SDI Co., Ltd.3.66%
PRY (Milan)Prysmian S.p.A.2.94%
KRX (Dublin)Kingspan Group Plc2.61%
TRN (Milan)TERNA Rete Elettrica Nazionale S.p.A.2.54%

Nasdaq Clean Edge International Green Energy Index Performance

Historical index performance is available here.

Nasdaq Clean Edge International Green Energy Index

Index Calculation

Nasdaq Clean Edge Green Income Index (GGINC) began on January 23, 2021 at a Base Value of 1,000. Click here to learn more.

Industry or Sector Eligibility

A security’s issuer must be classified as a technology manufacturer, developer, distributor, and/or installer in one of the following sub-sectors, as defined by Clean Edge:

  • Energy Intelligence (EI) – conservation of energy, increasing efficiency, energy and power management systems and controls, LEDs, superconductors, etc.;
  • Renewable Energy (RE) – solar, wind, geothermal, and low-impact water-power manufacturers, developers, and operators;
  • Enabling Materials (EM) - silicon, lithium, bio-based, and/or other materials and processes that enable clean-energy and low-carbon technologies;
  • Grid - smart meters, transmission, and distribution, etc.; and
  • Energy Storage & Conversion (ES&C) - electric vehicles; advanced batteries; power conversion; hydrogen; fuel cells for stationary, portable and transportation applications; etc.

A security’s issuer must have a demonstrated ability to capture the potential of the clean-energy sector by receiving 50% or more of its revenue from clean-energy and low-carbon activities, or, in the case wherein a constituent has multiple business units and revenue streams, have substantial exposure to the clean-energy and low-carbon sector, as determined by Clean Edge.

Eligible exchanges

A security must not be listed on an exchange operated under The Nasdaq Stock Market, New York Stock Exchange, Inc., Cboe Global Markets Inc., BSE Ltd., National Stock Exchange of India, Shanghai Stock Exchange, or Shenzhen Stock Exchange.

methodology Click above to access detailed CELSI methodology information.

Licensing Opportunities

To learn more about potential licensing opportunities, please contact Sean Wasserman at

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.