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Underground Ventures

Copenhagen, Hovedstaden, Denmark

Overview

Venture capital investment for geothermal energy technology companies.

Founded

2024

Deals · 12mo

3

Links

WebsiteLinkedInX (Twitter)

Stage focus

Seed
Series A

Geographic focus

Slovakia (Slovak Republic)
United States

Sector focus

Energy
Finance
Venture Capital

Investment portfolio

4rounds
NAMEDATESIZE
Hephae Energy Technology
Jul 2026Led
$18 MSeries A
Critical Energy
Jun 2026Participated
$22 MSeed
GA Drilling
Mar 2026Participated
$44 MOther Equity
GA Drilling
Apr 2024Participated
$15 MOther Equity
Hephae Energy Technology
Jul 2026Led
$18 MSeries A
Critical Energy
Jun 2026Participated
$22 MSeed
GA Drilling
Mar 2026Participated
$44 MOther Equity
GA Drilling
Apr 2024Participated
$15 MOther Equity
4
Items
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Insights

Time horizon

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Deal Distribution

Underground Ventures: 4 funding rounds are recorded in the selected participation categories.All available history.
Underground Ventures: 4 funding rounds are recorded in the selected participation categories. All available history
Round typeLed dealsParticipated deals
Seed01
Series A10
Other Equity02

Monthly Deal Activity

Underground Ventures: 4 deals are recorded across 31 months.All available history.
Underground Ventures: 4 deals are recorded across 31 months. All available history
MonthDeals
Apr '241
May '240
Jun '240
Jul '240
Aug '240
Sep '240
Oct '240
Nov '240
Dec '240
Jan '250
Feb '250
Mar '250
Apr '250
May '250
Jun '250
Jul '250
Aug '250
Sep '250
Oct '250
Nov '250
Dec '250
Jan '260
Feb '260
Mar '261
Apr '260
May '260
Jun '261
Jul '261
Aug '260
Sep '260
Oct '260

Sector Breakdown

Underground Ventures: Clean Energy & Sustainability is the largest displayed sector by deal count (4 deals).All available history.

A deal can appear in multiple sectors, so sector totals may overlap. Capital represents disclosed total round sizes, not fund cheque sizes.

Underground Ventures: Clean Energy & Sustainability is the largest displayed sector by deal count (4 deals). All available history
SectorDeals
Clean Energy & Sustainability4

Deal Size Distribution

Underground Ventures: 4 rounds have a disclosed size in the displayed size bands.All available history.

Undisclosed round sizes are excluded. Capital represents total round sizes, not fund cheque sizes.

Underground Ventures: 4 rounds have a disclosed size in the displayed size bands. All available history
Round size band (USD)Deals
<$5M0
$5M-$10M0
$10M-$25M3
$25M-$50M1
$50M-$100M0
$100M-$250M0
$250M-$500M0
$500M-$1B0
$1B+0

Deals By Geography

Underground Ventures: Europe has the largest recorded deal count among the displayed regions (2 deals).All available history.

Top 2 of 2 regions; European countries are grouped as Europe.

Underground Ventures: Europe has the largest recorded deal count among the displayed regions (2 deals). All available history
RegionDeals
Europe2
United States2
Underground Ventures: 19 co-investors are shown, with alfa8 sharing 2 recorded deals.All available history.

Co-Investors

Bubble size = shared deals

Click a bubble to open that fund in a new tab.

Shows up to 20 co-investors ranked by shared deals. Deals may be shared with multiple funds, so rows overlap. Capital is total round size, not fund cheque size.

Underground Ventures: 19 co-investors are shown, with alfa8 sharing 2 recorded deals. All available history
Co-investorShared deals
alfa82
Nabors Industries2
Susquehanna Sustainable Investments2
Baruch Future Ventures1
Centaurus Capital1
Elemental Impact1
Exa Ventures1
Future Ventures1
Grantham Foundation1
Humba Ventures1
MaC Venture Capital1
Neulogy Ventures1
New System Ventures1
Scribble Ventures1
Silicon Valley Bank1
Susa Ventures1
TomEnterprise Private1
True North Institute1
Upfront Ventures1

Investment Strategy

Underground Ventures: Led accounts for 25% and participating for 75% of round participation.All available history.
Underground Ventures: Led accounts for 25% and participating for 75% of round participation. All available history
CategoryDeals (count)Share (%)
Led125%
Participating375%
Underground Ventures: Single-lead accounts for 0% and co-led for 100% of lead dynamics.All available history.
Underground Ventures: Single-lead accounts for 0% and co-led for 100% of lead dynamics. All available history
CategoryDeals (count)Share (%)
Single-lead00%
Co-led1100%

Team

Torsten Kolind

Founder in byFounders Collective