The global energy transition is accelerating in 2025. From renewable power and energy storage to carbon capture and grid optimization, startups are driving solutions for a more sustainable, resilient, and decentralized energy future.
Yet scaling energy ventures presents unique challenges: capital intensity, regulatory complexity, and long commercialization timelines. That's where energy startup accelerators step in — offering specialized support, funding, pilot partnerships, and access to deep industry networks.
In this guide, we highlight the top energy startup accelerators in 2025 empowering founders to reshape the future of energy.
Quick list of top energy startup accelerators in 2025
Greentown Labs – Largest climatetech and energy startup incubator in North America
Elemental Excelerator – Impact-focused accelerator supporting climate and energy innovation
Free Electrons – Global utility-backed accelerator for energy startups scaling internationally
Plug and Play Energy – Silicon Valley-based accelerator connecting startups with global corporates
The Clean Fight – New York-based accelerator driving clean energy adoption in buildings and grid
Third Derivative – Climate tech accelerator connecting startups to a global investor network
InnoEnergy (EIT InnoEnergy) – European accelerator supporting sustainable energy ventures
EnergyLab Australia – APAC-focused accelerator advancing clean energy entrepreneurship
Shell GameChanger – Corporate accelerator funding disruptive energy innovations
Schneider Electric Innovation Program – Accelerator for startups in energy management and automation
How to find the right energy startup accelerator
Choosing an energy startup accelerator requires sector fit and long-term alignment. Key considerations:
Technology focus: Renewable energy, energy storage, grid management, carbon capture, or EVs.
Stage alignment: From early concept validation to pilot projects and commercial deployment.
Corporate partnerships: Many programs connect startups with utilities, governments, and corporates.
Funding structure: Non-dilutive grants, convertible notes, or direct investments.
Geographic relevance: Regional policies, pilot sites, and deployment partners.
Prepare for Demo Day: what energy accelerators expect
Demo Day for biotech founders means showing investors more than just an idea. Here's how to stand out:
Showcase pilot project results with utilities or corporates
Present strong unit economics and scalability potential
Highlight regulatory readiness and certifications
Demonstrate CO₂ reduction and environmental impact
Use Papermark to track investor interest and deck engagement
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Final Thoughts
The energy sector is transforming faster than ever — and startups sit at the center of this revolution. With the right accelerator, founders can tap into industry leaders, access capital, and scale game-changing technologies faster. Combine this advantage with Papermark's secure pitch sharing and take your energy venture global.