Who founded EarthGrid™?

EarthGrid™ was founded by Troy Helming.

Who are EarthGrid™'s investors?

EarthGrid™'s investors include Aurum Venture Partners, Band of Angels, Boston Harbor Angels, D3VC, HBS Angels of Boston, Interlock Capital, Keiretsu Forum, Monozukuri Ventures and 4 more.

How much funding has EarthGrid™ raised?

EarthGrid™ has disclosed $52.8M raised across 1 round.

Where is EarthGrid™ headquartered?

EarthGrid™ is headquartered in Richmond, US.

EarthGrid™

Richmond, US · 12 known investors

Find your way into EarthGrid™

157 people in our graph share verified history with the EarthGrid™ team — schools, employers, funds. One of them is your warm intro.

Prashant Shahunlockedknows Troy Helming · together at AT&T (overlapped)

×2knows the team · via AT&T

×9knows the team · via The University of Kansas

EarthGrid uses patented plasma-powered boring machines to tunnel and excavate through hard rock via thermal spallation, without drilling chemicals, at lower cost and faster speeds than traditional methods. The company aims to build underground infrastructure and a more resilient electrical grid ("SuperGrid").

Cleantech Deep Tech Energy

Founders & leadership

Troy Helming inFounder & CEOTroy Helming founded Tradewind Energy and Pristine Sun, renewable energy companies focused on wind and solar development respectively. He has authored works on clean energy transition and serves as an advisor and board member across the clean energy sector.

David ReesNamed on SEC filing

Rachel PayneNamed on SEC filing

ALYSIA HELMINGNamed on SEC filing

Investors · 12

Aurum Venture PartnersPleasanton

Band of AngelsSilicon Valley

Boston Harbor AngelsBoston · $250K – $1.5M

D3VCDenver

HBS Angels of BostonBoston

Interlock CapitalSan Diego · $25K – $50K

Keiretsu ForumSan Francisco · $250K – $2M

Monozukuri VenturesKyoto · $100K – $300K

Neer Venture Partners$25K – $500K

NW AngelSeattle

Rosecliff VenturesNew York City · $500K

VU Venture PartnersSan Francisco · $200K – $1M

Reported raises · per SEC filings

Form D private placements

$52.8M disclosed across 1 round · 2026

▶$52.8MraisedAug 2026 · 552 investors · Other Technology

Rule 506(b)

Officers, directors & promoters on the filing

Troy HelmingExecutive Officer, Director
David ReesDirector
Rachel PayneDirector
ALYSIA HELMINGExecutive Officer, Director

Offering amount: $57.6M
Amount sold: $52.8M
First sale: Jul 2026
Incorporated: Corporation, Delaware
Federal exemptions: 06b

Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Non-dilutive funding · 1 SBIR/STTR award

Federal grants — no equity taken

Agency	Phase	Year	Amount
U.S. Air ForceAir Force	Phase I	2023	$74.9K

Source: SBIR.gov award data (U.S. Small Business Administration). SBIR/STTR awards are competitive federal R&D grants and contracts — non-dilutive capital alongside any venture rounds above.

Frequently asked questions

What does EarthGrid™ do?: EarthGrid uses patented plasma-powered boring machines to tunnel and excavate through hard rock via thermal spallation, without drilling chemicals, at lower cost and faster speeds than traditional methods. The company aims to build underground infrastructure and a more resilient electrical grid ("SuperGrid").
Who founded EarthGrid™?: EarthGrid™ was founded by Troy Helming.
Who are EarthGrid™'s investors?: EarthGrid™'s investors include Aurum Venture Partners, Band of Angels, Boston Harbor Angels, D3VC, HBS Angels of Boston, Interlock Capital, Keiretsu Forum, Monozukuri Ventures and 4 more.
How much funding has EarthGrid™ raised?: EarthGrid™ has disclosed $52.8M raised across 1 round.
Where is EarthGrid™ headquartered?: EarthGrid™ is headquartered in Richmond, US.