
Exergy3
Ultra-high temperature thermal energy storage solutions for industrial decarbonisation.
About
Exergy3 is a CleanTech startup specializing in ultra-high temperature thermal energy storage solutions. Their proprietary technology addresses industrial decarbonisation, grid balancing, and energy security by converting surplus renewable electricity into low-cost, zero-carbon heat for industrial customers. The company aims to revolutionize the clean heat market by providing scalable, affordable, and sustainable sources of clean industrial heat.
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Key facts
- Website
- exergy3.com
- Headquarters
- Edinburgh, Scotland, United Kingdom
- Founded
- 2023
- Employees
- 16
- Total funding
- $26M (Seed)
- Business model
- B2B
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 21 Apr 2026 | Seed | $11M | Axeleo |
| 30 Oct 2025 | Seed | $13M | |
| 16 Aug 2024 | Pre-Seed | $1M | Zero Carbon Capital |
Tech stack
Detected on exergy3.com, last scanned 12 Sept 2026. Run your own scan
- Compliance
- GDPR, CCPA
- Frontend
- Tailwind CSS
- Analytics
- Google Analytics 4
- SEO
- Yoast SEO
- CMS / Builders
- WordPress
- CDN
- Cloudflare
- Email provider
- Microsoft 365
Exergy3 scores 28. Does yours?
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Frequently asked
Is Exergy3 trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Exergy3 is 76 out of 100, a generally safe rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has Exergy3 raised?
Exergy3 has raised a total of $26M in funding. The most recent round on record is Seed.
How many employees does Exergy3 have?
Exergy3 has approximately 16 people on record.
Public record
SEC filings, insider activity, nonprofit links and pay benchmarks for Exergy3


