Solestial

Solestial

Private
Tempe, ArizonaFrontier & Industrial Techhttps://solestial.com

Last Round

Grant

Jul 16, 2025

Total Funding Raised

$28.2M

Momentum Score

25 /100

Company Overview

Solestial is an aerospace company that develops and manufactures radiation-hardened silicon photovoltaics for space.

Sector

Frontier & Industrial Tech

Verticals

Space Technology, Semiconductors, Renewable Energy, Defense Tech

Business Model

B2B

Customer Profile

Hardware Sales, Government Contracts, Services & Consulting

AI Layer

Non-AI

Keywords

space solar powerradiation-hardened solar cellssilicon solar cellsflexible solar modulessolar blanketssatellite solar panelsrad-hard solar cellsself-curing solar cellsNewSpacespace-grade solarsatellite power systemssolar arrayscommercial spaceultrathin solar cellssatellite constellationsautomated manufacturingspace infrastructureSBIRSmall Business Innovation Research

Historical Pricing

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Caplight Momentum Score

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Solestial 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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Solestial Funding Rounds

Historical fundraising activity

RoundDateAmount RaisedValuationInvestorsSources
GrantJul 16, 2025
Series AMay 15, 2025
SeedOct 12, 2022

Key People

Founding team and executive leadership

Mikhail Reginevich

Co-Founder, CTO, Co-Founder, Chief Engineer, Tooling And R D

Founding Team

Stan Herasimenka

CEO

Executive Team

Nicolas Miltgen

CFO

Executive Team

Solestial Investors

Notable investors and investment history

InvestorRounds
General Purpose Venture CapitalSeries A
Zeon VenturesSeries A
AE VENTURESSeries A
TechstarsSeries A
Crosscut VenturesSeries A
Industrious VenturesSeries A, Seed
Airbus VenturesSeries A, Seed

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jan 21, 2026

    Acquired additional solar manufacturing equipment from Meyer Burger.

  • Jul 16, 2025

    $1.2M grant received.

Solestial Filings

SEC and related filings with document metadata.

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Solestial Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Solestial's valuation, stock price, and market status.

Firmographic Details

HeadquartersTempe, Arizona
Employee Range56
Year Founded2013
Last FundingJul 16, 2025

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