# AltEnergy

> AltEnergy is a VC fund in Alden backing Energy and CleanTech. See 1 investments, check sizes, portfolio and contact details. Updated Aug 2026.

- Type: VC Fund
- Location: Alden, United States
- Total investments: 1
- Last investment: Jan 2023
- Lead investor: 0%
- Last updated: Aug 2026
- LinkedIn: https://www.linkedin.com/company/altenergy-llc/
- Website: http://altenergyllc.com/

AltEnergy is a VC fund in Alden focused on Energy and CleanTech. AltEnergy was founded to play an active role in the emergence and growth of the alternative energy industry.

## Contacts

5 contacts available for AltEnergy. Shizune tracks 1 team members at AltEnergy. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/altenergy-2?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Energy | 1 | 100% |
| CleanTech | 1 | 100% |
| Oil and Gas | 1 | 100% |
| Energy Storage | 1 | 100% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| Russell Stidolph | Founder and CEO | 0 | — |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Eos | Eos Energy Enterprises, Inc. is accelerating the shift to clean energy with positively ingenious solutions that transform how the world stores power. Our breakthrough Znyth® aqueous zinc battery was designed to overcome the limitations of conventional lithium-ion technology. Safe, scalable, efficient, sustainable—and manufactured in theU.S—it's the core of our innovative systems that today provide utility, industrial, and commercial customers with a proven, reliable energy storage alternative. | $13.8M | Post-IPO Debt | Jan 19, 2023 |  |

1 of 1 investments shown.

## Co-investors
- Ardsley Partners — VC Fund, 1 deal together
- [Clear Creek Investments](https://shizune.co/investors/profile/clear-creek-investments) — VC Fund, 1 deal together

## Similar investors

### Similar stage
- [BNP Paribas](https://shizune.co/investors/profile/bnp-paribas) — VC Fund
- [Intesa Sanpaolo](https://shizune.co/investors/profile/intesa-sanpaolo) — VC Fund
- [UniCredit](https://shizune.co/investors/profile/unicredit) — VC Fund

## FAQ

### What does AltEnergy invest in?

AltEnergy invests primarily in Energy, CleanTech and Oil and Gas startups, most often at Post-IPO Debt stage. Most of the 1 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### How do I contact AltEnergy?

Public channels for AltEnergy include LinkedIn and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at AltEnergy?

The team at AltEnergy includes Russell Stidolph (Founder and CEO). The Team section lists each member with their title, investment count and links.

### Is Shizune's investor data accurate?

Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

# About Shizune
Shizune.co is an investor database. Core features:
- 48,091 startup investors (angels, VCs, accelerators, and others)
- Email, phone, LinkedIn (for intros), socials, and other contact data
- Updated daily from public funding news
- CSV and Excel export

The User can access the full database FOR FREE after signing up: shizune.co