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Span.IO, Inc.

Span.IO, Inc.

Private
San Francisco, CaliforniaEnergy & Sustainabilityhttps://www.span.io/

Last Round

Strategic

Mar 9, 2026

Est. Valuation

$600M

Total Funding Raised

$479.7M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Span.IO, Inc. is an energy and sustainability company that develops and manufactures smart electrical panels and home energy management products to facilitate residential electrification.

Sector

Energy & Sustainability

Verticals

Energy Management, Smart Grid, Edge Computing, EV Charging, Smart Buildings

Business Model

B2C

Customer Profile

Hardware Sales, Usage-Based SaaS

AI Layer

Infrastructure

Keywords

smart electrical panelhome energy managementdistributed computeedge computingdistributed data centerEV charging integrationcircuit-level monitoringresidential electrificationsmart gridai infrastructuredecentralized computeenergy load managementhardware-enabled softwareenergy techdistributed infrastructure

Historical Pricing

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Caplight Momentum Score

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Span.IO, Inc. Comps

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

Span.IO, Inc. comps — public and private peers by 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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Span.IO, Inc. Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
StrategicMar 9, 2026
Series CJan 15, 2026
Series B ExtensionApr 24, 2023
Series BMar 22, 2022
Series A ExtensionJan 26, 2021
Series A
May 12, 2020

Key People

Founding team and executive leadership

Arch Rao

Founder CEO

Founding Team

Douglas Booms

Chief Operating Officer

Executive Team

Span.IO, Inc. Investors

Notable investors and investment history

Span.IO, Inc. investors
InvestorRounds
Wells Fargo Strategic CapitalSeries A Extension, Seed, Series A
Capricorn Investment GroupSeries A Extension, Series B Extension, Series A
Munich Re VenturesSeries B Extension, Series A Extension
SV AngelSeed
Wireframe VenturesSeries A Extension, Series A, Seed
Craft VenturesSeed
Qualcomm VenturesSeries B Extension

Market signals

Structured signals derived from secondary market and firmographic data.

  • Apr 15, 2026

    Partnered with Nvidia to co-develop AI data centers for residential use.

  • Apr 13, 2026

    Launched XFRA, a distributed data center solution for compute capacity.

Span.IO, Inc. Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Span.IO, Inc. Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Span.IO, Inc.'s valuation, stock price, and market status.

Firmographic Details

HeadquartersSan Francisco, California
Employee Range392
Year Founded2018
Last FundingMar 9, 2026

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