Companies
Tracking 15 Clean Energy pre-IPO companies. Funding, valuations & IPO readiness. Last updated May 2026.
TechStackIPO currently tracks 15 Clean Energy companies at various stages of pre-IPO development, ranging from early-stage startups to late-stage unicorns with confirmed IPO plans.
Clean Energy companies tracked on TechStackIPO have collectively raised over $19.6B in venture funding.
Based on TechStackIPO's IPO readiness index, the Clean Energy companies closest to an IPO are: Form Energy, Northvolt, Sila Nanotechnologies. These companies score highest on factors including funding stage, valuation trajectory, and S-1 filing indicators.
Among Clean Energy companies on TechStackIPO, Northvolt has raised the most funding at approximately $9.0B in total venture capital.