New System Ventures is a climate tech venture capital firm that uses systems-level research to back companies driving energy security, reindustrialization, and innovation across energy, mobility, and industry. Founded in 2023 and based in Brooklyn, NY, the firm invests from inception through Series B.
Deal activity decreased year-over-year (2 deals in the last 12 months vs 5 prior). Average disclosed round size is $17.7M (across 14 rounds with reported amounts).
Portfolio
12
Fund Size
—
Top Stage
Seed
Last 12 Mo
2
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
14 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Fluxco | Seed | $26M | Jul 2026 |
| HHephae Energy Technology LLC | Unknown | $17.8M | Jul 2026 |
 Riven | Pre-Seed | $7.9M | Jan 2026 |
 Hephae | Series A | $17.8M | Jan 2026 |
 Riven Systems | Pre-Seed | $7.9M | Jan 2026 |
| Fluxco | Seed | $26M | Jan 2026 |
| EEstes Energy Solutions, Inc. | Seed | $11M | Jul 2025 |
| EEstes Energy | Seed | $11M | Jul 2025 |
| EEstes Energy | Seed | $11M | Jan 2025 |
 MetOx International, Inc. | Series B | $15M | Nov 2024 |
 Redoxblox | Series A | $40.7M | Oct 2024 |
 MetOx | Series B | $25M | Sep 2024 |
 OXWASH | Series A | $12M | Aug 2022 |
 Crux | Series A | $18.2M | — |
Top Co-Investors
DCVC3 shared
Fortescue3 shared
BMW i Ventures3 shared
Alumni Ventures2 shared
Scout Ventures2 shared
Lightscape Partners2 shared
Data Collective2 shared
Nabors Industries2 shared
Future Fund2 shared
Baruch Future Ventures2 shared
8VC2 shared
Overture VC2 shared
10VC2 shared
White Star Capital2 shared
Cubit Capital2 shared
Congruent Ventures2 shared
Impatient Ventures1 shared
Prelude Ventures1 shared
Breakthrough Energy Ventures1 shared
Last updated: 27 September 2026