CNRG additions & removals
Changes are observation-bounded: an addition is the first retained official snapshot containing a security after an earlier absence; a removal is its first retained absence. Baseline holdings receive no invented addition date.
Additions
| Ticker | Issuer | Observed date | Change |
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| Plug Power Inc | Plug Power Inc | 2025-12-31 | Added / first present |
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| Energy Vault Holdings Inc | Energy Vault Holdings Inc | 2025-12-31 | Added / first present |
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| SunPower Inc | SunPower Inc | 2025-12-31 | Added / first present |
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| Tenaris SA | Tenaris SA | 2025-06-30 | Added / first present |
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| Genie Energy Ltd | Genie Energy Ltd | 2025-06-30 | Added / first present |
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| Cia Energetica de Minas Gerais | Cia Energetica de Minas Gerais | 2025-06-30 | Added / first present |
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| Avista Corp | Avista Corp | 2025-06-30 | Added / first present |
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| T1 Energy Inc | T1 Energy Inc | 2025-06-30 | Added / first present |
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| Eos Energy Enterprises Inc | Eos Energy Enterprises Inc | 2024-12-31 | Added / first present |
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| Cia Paranaense de Energia - Copel | Cia Paranaense de Energia - Copel | 2024-12-31 | Added / first present |
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| Energy Vault Holdings Inc | Energy Vault Holdings Inc | 2024-12-31 | Added / first present |
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| TPI Composites Inc | TPI Composites Inc | 2024-06-30 | Added / first present |
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| Genie Energy Ltd | Genie Energy Ltd | 2024-06-30 | Added / first present |
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| Gibraltar Industries Inc | Gibraltar Industries Inc | 2024-06-30 | Added / first present |
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| Fluence Energy Inc | Fluence Energy Inc | 2024-06-30 | Added / first present |
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| GE Vernova Inc | GE Vernova Inc | 2024-06-30 | Added / first present |
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| American Superconductor Corp | American Superconductor Corp | 2023-12-31 | Added / first present |
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| Companhia Paranaense de Energia | Companhia Paranaense de Energia | 2023-12-31 | Added / first present |
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| Corning Inc | Corning Inc | 2023-06-30 | Added / first present |
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| Enel Chile SA | Enel Chile SA | 2023-06-30 | Added / first present |
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| Ameresco Inc | Ameresco Inc | 2023-06-30 | Added / first present |
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| Eos Energy Enterprises Inc | Eos Energy Enterprises Inc | 2023-06-30 | Added / first present |
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| Energy Vault Holdings Inc | Energy Vault Holdings Inc | 2023-06-30 | Added / first present |
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| NEXTracker Inc | NEXTracker Inc | 2023-06-30 | Added / first present |
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| Cummins Inc | Cummins Inc | 2022-06-30 | Added / first present |
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| ADT Inc | ADT Inc | 2022-06-30 | Added / first present |
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| Generac Holdings Inc | Generac Holdings Inc | 2022-06-30 | Added / first present |
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| Bloom Energy Corp | Bloom Energy Corp | 2022-06-30 | Added / first present |
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| Constellation Energy Corp | Constellation Energy Corp | 2022-06-30 | Added / first present |
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| Altus Power Inc | Altus Power Inc | 2022-06-30 | Added / first present |
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| Advent Technologies Holdings Inc | Advent Technologies Holdings Inc | 2021-12-31 | Added / first present |
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| Montauk Renewables Inc | Montauk Renewables Inc | 2021-12-31 | Added / first present |
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| FTC Solar Inc | FTC Solar Inc | 2021-12-31 | Added / first present |
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| General Electric Co | General Electric Co | 2021-09-30 | Added / first present |
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| TransAlta Corp | TransAlta Corp | 2021-06-30 | Added / first present |
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| Centrais Eletricas Brasileiras SA | Centrais Eletricas Brasileiras SA | 2021-06-30 | Added / first present |
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| Intevac Inc | Intevac Inc | 2021-06-30 | Added / first present |
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| Array Technologies Inc | Array Technologies Inc | 2021-06-30 | Added / first present |
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| Eos Energy Enterprises Inc | Eos Energy Enterprises Inc | 2021-06-30 | Added / first present |
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| Shoals Technologies Group Inc | Shoals Technologies Group Inc | 2021-06-30 | Added / first present |
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| Cia Paranaense de Energia | Cia Paranaense de Energia | 2021-06-30 | Added / first present |
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| ReneSola Ltd | ReneSola Ltd | 2020-12-31 | Added / first present |
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| TransAlta Corp | TransAlta Corp | 2020-06-30 | Added / first present |
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| State Street Global Advisors | State Street Global Advisors | 2019-12-31 | Added / first present |
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| Sunnova Energy International Inc | Sunnova Energy International Inc | 2019-12-31 | Added / first present |
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| FuelCell Energy Inc | FuelCell Energy Inc | 2019-12-31 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
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| Cia Paranaense de Energia - Copel | Cia Paranaense de Energia - Copel | 2025-12-31 | Removed / first absent |
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| Energy Vault Holdings Inc | Energy Vault Holdings Inc | 2025-06-30 | Removed / first absent |
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| TPI Composites Inc | TPI Composites Inc | 2024-12-31 | Removed / first absent |
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| Genie Energy Ltd | Genie Energy Ltd | 2024-12-31 | Removed / first absent |
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| Companhia Paranaense de Energia | Companhia Paranaense de Energia | 2024-06-30 | Removed / first absent |
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| Eos Energy Enterprises Inc | Eos Energy Enterprises Inc | 2024-06-30 | Removed / first absent |
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| Energy Vault Holdings Inc | Energy Vault Holdings Inc | 2024-06-30 | Removed / first absent |
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| Altus Power Inc | Altus Power Inc | 2025-06-30 | Removed / first absent |
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| Advent Technologies Holdings Inc | Advent Technologies Holdings Inc | 2022-06-30 | Removed / first absent |
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| Montauk Renewables Inc | Montauk Renewables Inc | 2024-12-31 | Removed / first absent |
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| FTC Solar Inc | FTC Solar Inc | 2022-06-30 | Removed / first absent |
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| General Electric Co | General Electric Co | 2024-06-30 | Removed / first absent |
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| Intevac Inc | Intevac Inc | 2021-12-31 | Removed / first absent |
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| Eos Energy Enterprises Inc | Eos Energy Enterprises Inc | 2022-06-30 | Removed / first absent |
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| Cia Paranaense de Energia | Cia Paranaense de Energia | 2024-03-31 | Removed / first absent |
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| ReneSola Ltd | ReneSola Ltd | 2023-12-31 | Removed / first absent |
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| TransAlta Corp | TransAlta Corp | 2020-12-31 | Removed / first absent |
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| Sunnova Energy International Inc | Sunnova Energy International Inc | 2025-06-30 | Removed / first absent |
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| FuelCell Energy Inc | FuelCell Energy Inc | 2024-06-30 | Removed / first absent |
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| DuPont de Nemours Inc | DuPont de Nemours Inc | 2020-06-30 | Removed / first absent |
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| NRG Energy Inc | NRG Energy Inc | 2020-06-30 | Removed / first absent |
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| General Electric Co | General Electric Co | 2021-09-30 | Removed / first absent |
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| Sempra Energy | Sempra Energy | 2020-06-30 | Removed / first absent |
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| Consolidated Edison Inc | Consolidated Edison Inc | 2024-06-30 | Removed / first absent |
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| Enel Chile SA | Enel Chile SA | 2022-12-31 | Removed / first absent |
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| Enbridge Inc | Enbridge Inc | 2024-06-30 | Removed / first absent |
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| Avangrid Inc | Avangrid Inc | 2024-12-31 | Removed / first absent |
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| Algonquin Power & Utilities Corp | Algonquin Power & Utilities Corp | 2024-06-30 | Removed / first absent |
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| State Street Global Advisors | State Street Global Advisors | 2024-09-30 | Removed / first absent |
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| SunPower Corp | SunPower Corp | 2024-09-30 | Removed / first absent |
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| Pattern Energy Group Inc | Pattern Energy Group Inc | 2020-03-31 | Removed / first absent |
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| ALLETE Inc | ALLETE Inc | 2025-12-31 | Removed / first absent |
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| Plug Power Inc | Plug Power Inc | 2025-06-30 | Removed / first absent |
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| TerraForm Power Inc | TerraForm Power Inc | 2020-09-30 | Removed / first absent |
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| New Jersey Resources Corp | New Jersey Resources Corp | 2024-06-30 | Removed / first absent |
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| Enel Americas SA | Enel Americas SA | 2022-06-30 | Removed / first absent |
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| Huntsman Corp | Huntsman Corp | 2022-06-30 | Removed / first absent |
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| TPI Composites Inc | TPI Composites Inc | 2023-12-31 | Removed / first absent |
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| ABB Ltd | ABB Ltd | 2021-06-30 | Removed / first absent |
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| Cia Paranaense de Energia | Cia Paranaense de Energia | 2021-06-30 | Removed / first absent |
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| Vivint Solar Inc | Vivint Solar Inc | 2020-12-31 | Removed / first absent |
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| American Superconductor Corp | American Superconductor Corp | 2022-12-31 | Removed / first absent |
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| ATN International Inc | ATN International Inc | 2021-06-30 | Removed / first absent |
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| AU Optronics Corp | AU Optronics Corp | 2019-12-31 | Removed / first absent |
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| Genie Energy Ltd | Genie Energy Ltd | 2020-12-31 | Removed / first absent |
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| TransAlta Corp | TransAlta Corp | 2019-12-31 | Removed / first absent |
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