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CELSI Overview
The Nasdaq Clean Edge International Green Energy™ Index (CELSI™) 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.
See the top 10 constituents and learn more about up-to-date performance and index methodologies below.
Top 10 Constituents
(Last updated September 2024)
| TICKER | COMPANY NAME | SECTOR | DOMICILE | INDEX WEIGHT |
|---|---|---|---|---|
| ABBN (Swiss) | ABB Ltd. | canada | 8.10% | |
| 1211 (Hong Kong) | BYD Co. Ltd. | canada | 8.33% | |
| IBE (Madrid) | Iberdrola S.A. | canada | 8.13% | |
| NG (London) | National Grid Plc | canada | 7.80% | |
| PRY (Milan) | Prysmian S.p.A. | canada | 3.84% | |
| SU (Paris) | Schneider Electric SE | canada | 7.89% | |
| ENR (Xetra) | Siemens Energy AG | canada | 4.39% | |
| TRN (Milan) | TERNA Rete Elettrica Nazionale S.p.A. | canada | 2.56% | |
| VWS (Copenhagen) | Vestas Wind Systems A/S | canada | 2.92% | |
| 9868 (Hong Kong) | Xpeng, Inc. | canada | 3.38% |
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Recent CELSI Index Performance
Total Return Through March 31, 2025
CELSI Methodology
Index Calculation
The Nasdaq Clean Edge International Green Energy Index (CELS) began on January 23, 2021 at a Base Value of 1,000. Click here to learn more.
Eligibility Criteria
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 (see complete list of index screens by clicking on the Methodology link below):
- 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.