Powerthru

Livonia, United States Founded: 1998 • Age: 28 yrs Acquired By Psi-Online
Provider of flywheel energy storage systems

About Powerthru

Powerthru is an Energy & Utilities company based in Livonia (United States) founded in 1998, and was acquired by Psi-Online in November 2010. Provider of flywheel energy storage systems. Powerthru has raised $79.09 million across 11 funding rounds from investors including DTE Energy, MVV Energie and Loudwater Investment Partners. The company has 127 employees. Its focus areas include Energy Tech, Energy Storage Tech, Energy Storage System and Flywheel. Its competitors include Ambri, Quidnet Energy and Revterra; 3 of its 3 listed competitors have raised funding.

Company details

Powerthru was founded in 1998 and is based in Livonia, United States. Advanced flywheel energy storage systems are developed, manufactured, and marketed by the company within the energy storage sector. These systems support ride-through power, voltage stabilization, and power recycling for commercial uninterruptible power supply applications. An alternative to lead-acid batteries is offered, focusing on low-maintenance and environmental considerations for non-residential uses.

  • Headquarters Livonia, United States
  • Employees 127
  • Stage Acquired
  • Sectors
    Energy & Utilities
  • Email
    β€’β€’β€’β€’β€’β€’β€’β€’
  • Website power-thru.com
  • Social LinkedIn X
  • Acquired by Psi-Online (Nov 2010)
Key Metrics
  • Total Equity Funding
    $79.09M (USD)

    in 11 rounds

  • Latest Funding Round
    $2M (USD), Debt – Conventional

    Jun 2009

  • Investors
    DTE Energy

    & 7 more

  • Employee Count
    127
  • Acquired by
    Psi-Online

    (Nov 2010)

Funding Insights of Powerthru

Powerthru has successfully raised a total of $79.09M across 11 strategic funding rounds. The most recent funding activity was a Debt – Conventional round of $2 million completed in June 2009. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding $79.09M
  • Total Rounds 11
  • Last Round Debt – Conventional β€” $2M
  • First Round $10M

    (Jul 2002)

  • Investors Count 7

Latest 10 of 11 funding rounds of Powerthru with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.

DateAmountTransaction NameValuationLead InvestorsInvestors
Jun 2009$2MDebt – Conventional––
–
Sep 2008$22MSeries E––
–
Aug 2008$1.5MSeries E––
–
Sep 2007$14MSeries D––
Aug 2007$4.2MSeries D––
–
Dec 2006$9.56MSeries D––
–
Aug 2006$2.14MDebt – Conventional––
–
Mar 2005$17.83MSeries C––
Oct 2004$400,000Debt – Conventional––
–
May 2004$2.15MDebt – Conventional––
–
Valuation history

8 investors in total: 8 institutional.

Investors in Powerthru

Powerthru has secured backing from 8 investors, including institutional and venture fund investors. Prominent investors backing the company include DTE Energy, MVV Energie and Loudwater Investment Partners.

All
Venture Fund
Institutional
InvestorDescriptionFounded YearDomainLocation
Venture capital is offered by Nth Power for energy innovation.
nthpower.comSan Francisco, United States
rusticcanyon.com
angelswithattitude.net
loudwaterpartners.com
Diversified energy company
1996dteenergy.comUnited States
Provides hosting services with infrastructure and support for online applications and businesses.
2001accera.deMannheim, Germany
Distributor of electricity & natural gas
1993mvv.deMannheim, Germany
Innovative solutions are provided for land, sea, air, and space applications by Phillips Service Industries.
psi-online.comPlymouth, United States
Premium access

Investor details for Powerthru

The complete investor list, round-by-round participation and investor portfolios require an active premium plan.

  • Complete investor list
  • Round participation
  • Investor portfolios
  • Co-investor network

Verified entity values are shown only after access is granted.

Timeline of Powerthru

4 dated milestones of Powerthru across 12 years, from founding to its latest funding, stage changes and deals.

  1. Founded Powerthru is founded.
  2. Funding First funding round of $10.0M.
  3. Funding Latest funding round, Debt – Conventional, of $2.0M.
  4. Exit Acquired by Psi-Online.

Competitors of Powerthru

Powerthru has 3 listed competitors in our database, 3 of them funded. They include Ambri, Quidnet Energy and Revterra.

Company NameDomainFoundedHQ LocationTotal fundingEmployeesDescription
ambri.com2010Marlborough, United States$222.43M141
Liquid metal batteries are provided for long-duration energy storage.
quidnetenergy.com2015Houston, United States$29.04M
Provider of pumped hydro based energy storage system
revterra.io2018Houston, United States$6M6
Flywheel energy storage systems are developed for grid applications.
Premium access

Detailed competitors of Powerthru

The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.

  • Full competitor set
  • Operating metrics
  • Benchmarks
  • Competitive positioning

Verified entity values are shown only after access is granted.

Web traffic of Powerthru

The website of Powerthru (power-thru.com) receives about 1.3K visits a month.

  • Monthly visits
    1.3K

    ▲ 8.6% vs previous month

Similar websites

Websites whose visitors overlap most with Powerthru. Affinity shows how closely the audiences match.

WebsiteDomainAudience affinityMonthly visitsGlobal rankProfile
facebook.com
100%
12.1B#3View details
twitter.com
100%
View details
workspace-technology.com
workspace-technology.com
84%
#12,609,575–
vyconenergy.com
46%
1.3K#12,678,302View details

Top companies in Energy Storage Systems

3 companies that operate in the same segment as Powerthru (Energy Storage Systems) in United States, ranked by their profile score on The Company Check.

CompanyDescriptionFoundedLocationTotal fundingRevenueEmployees
Electric buses and charging systems are manufactured for fleets.
2004Burlingame, California, United StatesUSD 857.79 MUSD 309.36 M418
Silicon-based solar PV modules are manufactured for diverse applications.
1985San Jose, California, United StatesUSD 171.73 MUSD 300 M600
Iron-air energy storage systems are developed for renewable energy projects.
2009Somerville, Massachusetts, United StatesUSD 2 B902
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Frequently Asked Questions about Powerthru

Powerthru was founded in 1998 and raised its 1st funding round 4 years after it was founded.

Powerthru is headquartered in Livonia, United States. It is registered at Livonia, Michigan, United States.

Powerthru is a funded company, having raised a total of $79.09M across 11 funding rounds to date. The company's 1st funding round was a Debt – Conventional of $2.15M, raised on Jul 2002.

Powerthru has 127 employees.

Powerthru was founded in 1998 and is based in Livonia, United States. Advanced flywheel energy storage systems are developed, manufactured, and marketed by the company within the energy storage sector. These systems support ride-through power, voltage stabilization, and power recycling for commercial uninterruptible power supply applications. An alternative to lead-acid batteries is offered, focusing on low-maintenance and environmental considerations for non-residential uses.

Powerthru's top competitors include Ambri, Quidnet Energy and Revterra.

Powerthru has 8 investors. Key investors include DTE Energy, MVV Energie, Loudwater Investment Partners, Nth Power, and Rustic Canyon Partners.

Yes. Powerthru was acquired by Psi-Online in November 2010.

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