NuCube Energy

NuCube Energy

Private
Idaho Falls, IdahoEnergy & Sustainabilityhttps://www.nucube.energy/

Last Round

Early Funding

Feb 19, 2026

Total Funding Raised

$13M

Momentum Score

25 /100

Company Overview

NuCube Energy is a CleanTech company developing a high-temperature modular microreactor designed to provide both electricity and industrial heat.

Sector

Energy & Sustainability

Verticals

Renewable Energy, Clean Manufacturing, AI Training Infrastructure

Business Model

B2B

Customer Profile

Hardware Sales, Hardware + Subscription, Government Contracts

AI Layer

Non-AI

Keywords

nuclear microreactoradvanced nuclearhigh-temperature process heatbaseload powerSMRdata center powernuclear batterycarbon-free powerindustrial heatmodular reactoroff-grid powerTRISO fueldecarbonizationenergy storage integrationnuclear fission

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NuCube Energy Comps

Public and private peers based on sector, stage, and business model.

CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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NuCube Energy Funding Rounds

Historical fundraising activity

RoundDateAmount RaisedValuationInvestorsSources
Early FundingFeb 19, 2026
AcceleratorJul 16, 2025
SeedJul 13, 2025

Key People

Founding team and executive leadership

Cristian Rabiti

Chief Executive Officer, Co-founder

Founding Team

NuCube Energy Investors

Notable investors and investment history

InvestorRounds
Emissions Reduction Corp.Early Funding
Halliburton LabsAccelerator
Shell GameChangerSeed
Arizona Nuclear VenturesEarly Funding

NuCube Energy Filings

SEC and related filings with document metadata.

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NuCube Energy Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

HeadquartersIdaho Falls, Idaho
Employee Range8
Year Founded2023
Last FundingFeb 19, 2026

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