SMOG 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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| Cia Paranaense de Energia - Copel | Cia Paranaense de Energia - Copel | 2025-12-31 | Added / first present |
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| Axia Energia | Axia Energia | 2025-12-31 | Added / first present |
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| Lucid Group Inc | Lucid Group Inc | 2025-09-30 | Added / first present |
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| NEXTracker Inc | NEXTracker Inc | 2025-06-30 | Added / first present |
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| TopBuild Corp | TopBuild Corp | 2024-12-31 | Added / first present |
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| Brookfield Renewable Corp | Brookfield Renewable Corp | 2024-12-31 | Added / first present |
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| Companhia Paranaense de Energia | Companhia Paranaense de Energia | 2024-03-31 | Added / first present |
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| TransAlta Corp | TransAlta Corp | 2023-12-31 | Added / first present |
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| QuantumScape Corp | QuantumScape Corp | 2023-03-31 | Added / first present |
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| ChargePoint Holdings Inc | ChargePoint Holdings Inc | 2023-03-31 | Added / first present |
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| Array Technologies Inc | Array Technologies Inc | 2022-12-31 | Added / first present |
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| JinkoSolar Holding Co Ltd | JinkoSolar Holding Co Ltd | 2022-06-30 | Added / first present |
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| Rivian Automotive Inc | Rivian Automotive Inc | 2022-03-31 | Added / first present |
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| TransAlta Renewables Inc | TransAlta Renewables Inc | 2021-12-31 | Added / first present |
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| Innergex Renewable Energy Inc | Innergex Renewable Energy Inc | 2021-12-31 | Added / first present |
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| Boralex Inc | Boralex Inc | 2021-12-31 | Added / first present |
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| Cia Paranaense de Energia | Cia Paranaense de Energia | 2021-09-30 | Added / first present |
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| LUCID GROUP INC | LUCID GROUP INC | 2021-09-30 | Added / first present |
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| Owens Corning | Owens Corning | 2021-06-30 | Added / first present |
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| NextEra Energy Inc | NextEra Energy Inc | 2021-06-30 | Added / first present |
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| Enel Chile SA | Enel Chile SA | 2021-06-30 | Added / first present |
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| Badger Meter Inc | Badger Meter Inc | 2021-06-30 | Added / first present |
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| Daqo New Energy Corp | Daqo New Energy Corp | 2021-06-30 | Added / first present |
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| Canadian Solar Inc | Canadian Solar Inc | 2021-06-30 | Added / first present |
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| Enel Americas SA | Enel Americas SA | 2021-06-30 | Added / first present |
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| Ormat Technologies Inc | Ormat Technologies Inc | 2021-06-30 | Added / first present |
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| EnerSys | EnerSys | 2021-06-30 | Added / first present |
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| Installed Building Products Inc | Installed Building Products Inc | 2021-06-30 | Added / first present |
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| Hannon Armstrong Sustainable Infrastructure Capital Inc | Hannon Armstrong Sustainable Infrastructure Capital Inc | 2021-06-30 | Added / first present |
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| Cia Energetica de Minas Gerais | Cia Energetica de Minas Gerais | 2021-06-30 | Added / first present |
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| Renewable Energy Group Inc | Renewable Energy Group Inc | 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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| Sunnova Energy International Inc | Sunnova Energy International Inc | 2021-06-30 | Added / first present |
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| Workhorse Group Inc | Workhorse Group Inc | 2021-06-30 | Added / first present |
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| Brookfield Renewable Corp | Brookfield Renewable Corp | 2021-06-30 | Added / first present |
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| XPeng Inc | XPeng Inc | 2021-06-30 | Added / first present |
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| Fisker Inc | Fisker Inc | 2021-06-30 | Added / first present |
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| Li Auto Inc | Li Auto Inc | 2021-06-30 | Added / first present |
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| Nikola Corp | Nikola Corp | 2021-06-30 | Added / first present |
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| Ballard Power Systems Inc | Ballard Power Systems Inc | 2021-03-31 | Added / first present |
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| FuelCell Energy Inc | FuelCell Energy Inc | 2021-03-31 | Added / first present |
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| Albemarle Corp | Albemarle Corp | 2020-12-31 | Added / first present |
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| ON Semiconductor Corp | ON Semiconductor Corp | 2020-12-31 | Added / first present |
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| JinkoSolar Holding Co Ltd | JinkoSolar Holding Co Ltd | 2020-12-31 | Added / first present |
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| Array Technologies Inc | Array Technologies Inc | 2020-12-31 | Added / first present |
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| NIO Inc | NIO Inc | 2020-09-30 | Added / first present |
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| SolarEdge Technologies Inc | SolarEdge Technologies Inc | 2020-09-30 | Added / first present |
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| Bloom Energy Corp | Bloom Energy Corp | 2020-09-30 | Added / first present |
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| Clearway Energy Inc | Clearway Energy Inc | 2020-06-30 | Added / first present |
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| Plug Power Inc | Plug Power Inc | 2020-06-30 | Added / first present |
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| Advanced Energy Industries Inc | Advanced Energy Industries Inc | 2020-06-30 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
|---|
| Axia Energia | Axia Energia | 2026-03-31 | Removed / first absent |
|---|
| Companhia Paranaense de Energia | Companhia Paranaense de Energia | 2025-12-31 | Removed / first absent |
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| ChargePoint Holdings Inc | ChargePoint Holdings Inc | 2023-12-31 | Removed / first absent |
|---|
| Array Technologies Inc | Array Technologies Inc | 2024-09-30 | Removed / first absent |
|---|
| JinkoSolar Holding Co Ltd | JinkoSolar Holding Co Ltd | 2024-12-31 | Removed / first absent |
|---|
| TransAlta Renewables Inc | TransAlta Renewables Inc | 2023-12-31 | Removed / first absent |
|---|
| Innergex Renewable Energy Inc | Innergex Renewable Energy Inc | 2025-09-30 | Removed / first absent |
|---|
| Cia Paranaense de Energia | Cia Paranaense de Energia | 2023-12-31 | Removed / first absent |
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| LUCID GROUP INC | LUCID GROUP INC | 2025-09-30 | Removed / first absent |
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| Enel Chile SA | Enel Chile SA | 2022-03-31 | Removed / first absent |
|---|
| Badger Meter Inc | Badger Meter Inc | 2024-09-30 | Removed / first absent |
|---|
| Daqo New Energy Corp | Daqo New Energy Corp | 2025-06-30 | Removed / first absent |
|---|
| Canadian Solar Inc | Canadian Solar Inc | 2024-09-30 | Removed / first absent |
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| Enel Americas SA | Enel Americas SA | 2022-09-30 | Removed / first absent |
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| Renewable Energy Group Inc | Renewable Energy Group Inc | 2022-06-30 | Removed / first absent |
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| Sunnova Energy International Inc | Sunnova Energy International Inc | 2023-12-31 | Removed / first absent |
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| Workhorse Group Inc | Workhorse Group Inc | 2021-12-31 | Removed / first absent |
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| Brookfield Renewable Corp | Brookfield Renewable Corp | 2024-12-31 | Removed / first absent |
|---|
| Fisker Inc | Fisker Inc | 2023-12-31 | Removed / first absent |
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| Nikola Corp | Nikola Corp | 2023-06-30 | Removed / first absent |
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| Ballard Power Systems Inc | Ballard Power Systems Inc | 2024-09-30 | Removed / first absent |
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| FuelCell Energy Inc | FuelCell Energy Inc | 2023-09-30 | Removed / first absent |
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| Albemarle Corp | Albemarle Corp | 2021-06-30 | Removed / first absent |
|---|
| ON Semiconductor Corp | ON Semiconductor Corp | 2021-06-30 | Removed / first absent |
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| JinkoSolar Holding Co Ltd | JinkoSolar Holding Co Ltd | 2021-03-31 | Removed / first absent |
|---|
| Array Technologies Inc | Array Technologies Inc | 2021-06-30 | Removed / first absent |
|---|
| SolarEdge Technologies Inc | SolarEdge Technologies Inc | 2024-12-31 | Removed / first absent |
|---|
| Clearway Energy Inc | Clearway Energy Inc | 2020-12-31 | Removed / first absent |
|---|
| Plug Power Inc | Plug Power Inc | 2025-06-30 | Removed / first absent |
|---|
| Advanced Energy Industries Inc | Advanced Energy Industries Inc | 2020-12-31 | Removed / first absent |
|---|
| Acuity Brands Inc | Acuity Brands Inc | 2021-03-31 | Removed / first absent |
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| Microchip Technology Inc | Microchip Technology Inc | 2021-06-30 | Removed / first absent |
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| AMETEK Inc | AMETEK Inc | 2020-09-30 | Removed / first absent |
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| Cree Inc | Cree Inc | 2021-06-30 | Removed / first absent |
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| Universal Display Corp | Universal Display Corp | 2021-06-30 | Removed / first absent |
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| Franklin Electric Co Inc | Franklin Electric Co Inc | 2020-06-30 | Removed / first absent |
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| Badger Meter Inc | Badger Meter Inc | 2020-09-30 | Removed / first absent |
|---|
| SunPower Corp | SunPower Corp | 2021-06-30 | Removed / first absent |
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| Canadian Solar Inc | Canadian Solar Inc | 2020-06-30 | Removed / first absent |
|---|
| Ormat Technologies Inc | Ormat Technologies Inc | 2021-03-31 | Removed / first absent |
|---|
| JinkoSolar Holding Co Ltd | JinkoSolar Holding Co Ltd | 2020-06-30 | Removed / first absent |
|---|
| EnerSys | EnerSys | 2020-12-31 | Removed / first absent |
|---|
| Power Integrations Inc | Power Integrations Inc | 2020-12-31 | Removed / first absent |
|---|
| Covanta Holding Corp | Covanta Holding Corp | 2020-09-30 | Removed / first absent |
|---|
| Itron Inc | Itron Inc | 2020-12-31 | Removed / first absent |
|---|
| Renewable Energy Group Inc | Renewable Energy Group Inc | 2020-09-30 | Removed / first absent |
|---|