VPU 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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| Hallador Energy Co | Hallador Energy Co | 2025-08-31 | Added / first present |
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| Consolidated Water Co Ltd | Consolidated Water Co Ltd | 2025-08-31 | Added / first present |
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| MDU Resources Group Inc | MDU Resources Group Inc | 2024-11-30 | Added / first present |
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| Genie Energy Ltd | Genie Energy Ltd | 2024-11-30 | Added / first present |
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| Oklo Inc | Oklo Inc | 2024-11-30 | Added / first present |
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| Talen Energy Corp | Talen Energy Corp | 2024-11-30 | Added / first present |
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| Artesian Resources Corp | Artesian Resources Corp | 2024-08-31 | Added / first present |
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| Montauk Renewables Inc | Montauk Renewables Inc | 2023-08-31 | Added / first present |
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| Altus Power Inc | Altus Power Inc | 2022-08-31 | Added / first present |
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| Constellation Energy Corp | Constellation Energy Corp | 2022-02-28 | Added / first present |
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| ESZ1 | N/A | 2021-11-30 | Added / first present |
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| PG&E Corp | PG&E Corp | 2021-02-28 | Added / first present |
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| Sunnova Energy International Inc | Sunnova Energy International Inc | 2020-08-31 | Added / first present |
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| Brookfield Renewable Corp | Brookfield Renewable Corp | 2020-08-31 | Added / first present |
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| AquaVenture Holdings Ltd. | AquaVenture Holdings Ltd. | 2020-02-29 | Added / first present |
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| Essential Utilities Inc. | Essential Utilities Inc. | 2020-02-29 | Added / first present |
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Removals
| Ticker | Issuer | Observed date | Change |
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| Montauk Renewables Inc | Montauk Renewables Inc | 2026-02-28 | Removed / first absent |
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| Altus Power Inc | Altus Power Inc | 2025-05-31 | Removed / first absent |
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| ESZ1 | N/A | 2022-02-28 | Removed / first absent |
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| Sunnova Energy International Inc | Sunnova Energy International Inc | 2025-08-31 | Removed / first absent |
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| Brookfield Renewable Corp | Brookfield Renewable Corp | 2020-11-30 | Removed / first absent |
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| AquaVenture Holdings Ltd. | AquaVenture Holdings Ltd. | 2020-05-31 | Removed / first absent |
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| Aqua America Inc. | Aqua America Inc. | 2020-02-29 | Removed / first absent |
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| MDU Resources Group Inc. | MDU Resources Group Inc. | 2022-05-31 | Removed / first absent |
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| Avangrid Inc. | Avangrid Inc. | 2025-02-28 | Removed / first absent |
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| Pattern Energy Group Inc. | Pattern Energy Group Inc. | 2020-05-31 | Removed / first absent |
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| ALLETE Inc. | ALLETE Inc. | 2026-02-28 | Removed / first absent |
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| TerraForm Power Inc. | TerraForm Power Inc. | 2020-08-31 | Removed / first absent |
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| South Jersey Industries Inc. | South Jersey Industries Inc. | 2023-02-28 | Removed / first absent |
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| El Paso Electric Co. | El Paso Electric Co. | 2020-08-31 | Removed / first absent |
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| Spark Energy Inc. | Spark Energy Inc. | 2021-05-31 | Removed / first absent |
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| Star Group LP | Star Group LP | 2021-08-31 | Removed / first absent |
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