Decarbonization Partners is a joint venture between BlackRock and Temasek focused on investing in next-generation private companies that support the acceleration of decarbonization and the transition to a net-zero economy. The firm invests across carbon capture, bio and low carbon products, next-generation energy, advanced mobility, carbon management services, and digital transformation.
75% of their portfolio is in Climate & Energy. Deal activity decreased year-over-year (1 deal in the last 12 months vs 4 prior). Average disclosed round size is $289.7M (across 18 rounds with reported amounts).
Portfolio
19
Fund Size
$1.4B
Top Stage
Series C
Last 12 Mo
1
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
24 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 osapiens | Series C | $100M | Jan 2026 |
 GROUP14 | Series D | $463M | Aug 2025 |
 Orennia | Series C | — | Jan 2025 |
 ConnectDER | Series D | $35M | Dec 2024 |
 Monolith Materials, Inc. | Unknown | — | Sep 2024 |
 neustark | Growth | $69M | Jun 2024 |
 Antora Energy | Series B | $150M | Feb 2024 |
| SSafi Analytics PBC | Unknown | $31M | Jan 2024 |
 Ascend Elements | Series D | $542M | Sep 2023 |
 Group 14 Technologies | Series C | $614M | Dec 2022 |
 Carbon Direct (Acq. Pachama) | Series C | $60M | Aug 2022 |
 Monolith | Unknown | $300M | Jul 2022 |
| Group 14 Technologies | Series C | — | May 2022 |
 MycoWorks | Unknown | — | Apr 2022 |
| Antora Energy | Series C | $550M | Feb 2022 |
| GROUP14 | Series C | $614M | Aug 2019 |
 Antora | Series B | $150M | — |
| Antora | Series C | $550M | — |
| Monolith Materials, Inc. | Unknown | $300M | — |
 Monolith | Unknown | $300M | — |
 Monolith | Unknown | $300M | — |
 XNRGY Climate Systems | Bridge | — | — |
 Asuene Inc. | Series D | $87M | — |
| XXNRGY | Bridge | — | — |
Top Co-Investors
TPG Rise Climate5 shared
Breakthrough Energy Ventures5 shared
Porsche AG4 shared
Lowercarbon Capital4 shared
Azimuth Capital Management4 shared
bp ventures3 shared
Overture VC3 shared
Grok Ventures3 shared
Union Square Ventures2 shared
Vsquared Ventures2 shared
Moore Strategic Ventures2 shared
Riverstone Holdings2 shared
Qatar Investment Authority2 shared
Market One Capital2 shared
Warburg Pincus LLC2 shared
Stanford's StartX Fund2 shared
First Trust Capital Partners2 shared
GS Futures2 shared
The Nature Conservancy2 shared
Last updated: 7 October 2026