Lowercarbon Capital

Activity from announced rounds

All recorded activity

Lowercarbon Capital is the investment firm whose official materials identify Antora and Emerald AI.

Recorded funding activity

Antora stores electricity as industrial heat. Emerald coordinates computing demand with grid conditions, while Rune deploys modular GPU clusters at renewable-energy sites. These companies address different links between energy supply and computing demand.

Sources
Rounds participated in
10
Confirmed lead rounds
0
7 roles undisclosed
New companies
10
First participation on record · 0 follow-on
Funding in participating rounds
$2.6B
10 disclosed · full round size, not this investor’s share

By stage

Series A4
Series B2
Series C+2
Undisclosed2

By primary sector

Climate tech6
Mobility2
Fintech1
Hardware1

By country

United States7
2
India1

Rounds

10 in all activity
Rune

A modular clean-compute platform that deploys GPU clusters at renewable-energy sites without building a conventional data center.

$40MSeries A
Participant
Emerald AI

Emerald AI coordinates data center power demand so computing workloads can respond flexibly to grid conditions.

$150MSeries A
Participant
Antora Energy

Antora Energy makes thermal batteries that store electricity as heat in carbon blocks and deliver continuous energy to industrial facilities and other large users.

$550MSeries C
Participant
Senra Systems

Software-driven manufacturing company modernizing wire harness production

$65MSeries B
Role not disclosed
Oratomic

Builds quantum computers using lasers to hold individual atoms in place

$300MSeries A
Role not disclosed
Panthalassa

Deploys autonomous wave-powered floating nodes that perform AI inference computing offshore

$140MSeries B
Role not disclosed
Arc Boat Company

Arc Boat Company builds electric recreational boats and propulsion systems for commercial vessels.

$50MSeries C
Role not disclosed
Zeno

Develops electric motorbikes and an app-controlled battery-swapping network

$25MSeries A+Debt
Role not disclosed
Avalanche Energy

Develops modular compact fusion machines for clean energy applications

$29MSeries A
Role not disclosed
Cloover

Cloover combines installer software, customer financing and energy services for residential solar, heat pumps and home electrification.

$1.2BSeries A+Debt
Role not disclosed