Sonnen

Wildpoldsried, Germany Founded: 2010 • Age: 16 yrs Acquired By Atrato Onsite Energy
Provider of solar integrated power storage system
Request Access

About Sonnen

Sonnen is a company based in Wildpoldsried (Germany) founded in 2010 by Torsten Stiefenhofer was acquired by Atrato Onsite Energy in October 2022.. Sonnen has raised $168.42 million across 7 funding rounds from investors including Shell, eCapital and Envision Group. Sonnen has completed 1 acquisition, including Webatt Energy. Sonnen offers products and services including sonnenBatterie and Smart Energy Solutions. Sonnen operates in a competitive market with competitors including NeoVolta, Marstek Energy, Cellcronic, KUKO and Lynx Battery, among others.

  • Headquarter Wildpoldsried, Germany
  • Founders Torsten Stiefenhofer
  • Sectors
    Energy & Utilities
  • Phone
    *********
  • Website
    *********
  • Social
    *********
  • Legal Name Sonnen Gmbh
Operational Areas
Energy & Utilities → Energy Storage & Efficiency
Key Metrics
  • Annual Revenue
    $132.91 M (USD)
    41
    as on Dec 31, 2021
  • Net Profit
    $-6.11 M (USD)
    -198
    as on Dec 31, 2021
  • EBITDA
    $-6.11 M (USD)
    -198
    as on Dec 31, 2021
  • Total Equity Funding
    $168.42 M (USD)

    in 7 rounds

  • Latest Funding Round
    $28.5 M (USD), Debt – Conventional

    Jan 17, 2019

  • Investors
    Shell

    & 10 more

  • Employee Count
    Employee Count
  • Investments & Acquisitions
  • Acquired by
    Atrato Onsite Energy

    & 1 more

    (Oct 06, 2022)

Upgrade to premium

Unlock complete access to The Company Check

Get unrestricted viewing across everything we track — from companies and brands to investors, funding rounds, acquisitions, financials, and more.

Upgrade to Premium No viewing limits. Your plan controls exports and screening usage.
Included in your Premium account
  • Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
  • Full access to every database India & global coverage, advanced filters and rich profile details
  • Always-on access from your team account Single premium plan for everything you see on the portal

Products & Services of Sonnen

Sonnen offers a comprehensive portfolio of products and services, including sonnenBatterie and Smart Energy Solutions. The company's diverse product and service offerings are designed to meet the evolving needs of its customers, address market demands, and provide comprehensive solutions that drive value creation and customer satisfaction across various segments and use cases.

Primary

Intelligent battery system for storing renewable energy at home.

Hardware and contracts for efficient sustainable energy use.

Funding Insights of Sonnen

Sonnen has successfully raised a total of $168.42M across 7 strategic funding rounds. The most recent funding activity was a Debt – Conventional round of $28.5 million completed in January 2019. 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
  • Total Rounds 7
  • Last Round Debt – Conventional — $28.5M
  • First Round

    (31 Jan 2013)

  • Investors Count 10
Date Amount Transaction Name Valuation Lead Investors Investors
Jan, 2019 Amount Debt – Conventional - Sonnen Valuation

investors

May, 2018 Amount Series C - Sonnen Valuation Shell
Oct, 2016 Amount Series C - Sonnen Valuation

investors

Date Amount Transaction Name Valuation Lead Investors Investors
Jul, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Jan, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Investors in Sonnen

Sonnen has secured backing from 11 investors, including venture fund, institutional, and angel investors. Prominent investors backing the company include Shell, eCapital and Envision Group. This diverse investor base provides strategic capital, industry expertise, and valuable network connections that support the company's growth initiatives, market expansion, and long-term value creation.

All
Venture Fund
Institutional
Angel
Investor Description Founded Year Domain Location
Finance and advisory services for infrastructure projects are provided.
Founded Year Domain Location
Venture capital investments are directed toward Germany and the US.
Founded Year Domain Location
Investments are directed toward early-stage energy system companies.
Founded Year Domain Location
Investor Description Founded Year Domain Location
Single family office of Amitabh Bachchan, founder of Amitabh Bachchan Corporation or AB CORP
Founded Year Domain Location
Startup ecosystems are ignited through strategic investments by Signite Partners.
Founded Year Domain Location
Venture capital is directed toward companies in multiple sectors.
Founded Year Domain Location
Venture capital is invested in cybersecurity, fintech, and AI startups.
Founded Year Domain Location

Investments & Acquisitions by Sonnen

Sonnen has strategically engaged in corporate development activities, having acquired 1 company. Notable acquisitions include Webatt Energy. These strategic investments and acquisitions demonstrate the company's commitment to growth through portfolio expansion, market consolidation, technology integration, and strategic partnerships that enhance competitive positioning and drive long-term value creation.

Investments
Company Name Description Domain Location Founded Year Amount
Bionic investment advisor platform
2016
Fine Asian gourmet food is offered by an internet-first restaurant.
2016
Physical e-commerce kiosks are deployed for rural purchases in Indonesia.
2014
Fine Asian gourmet food is offered by an internet-first restaurant.
2016
Acquisitions
Company Name Description Domain Location Founded Year Amount
Solar power plant monitoring solutions are provided for residential use.
2017
Company Name Description Domain Location Founded Year Amount
OVO is recognized as a smart digital payment application.
2017
Bionic investment advisor platform
2016
Physical e-commerce kiosks are deployed for rural purchases in Indonesia.
2014
Physical e-commerce kiosks are deployed for rural purchases in Indonesia.
2014

Financial Statements - Sonnen

Tata Steel revenue growth over time
Tata Steel profit and loss trends over time
Date Amount Transaction Name Valuation Lead Investors Investors
Jul, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Jan, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Sonnen Comparisons

Employees
+
Add Comparison
Available on Premium

Competitors of Sonnen

Sonnen operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as NeoVolta, Marstek Energy, Cellcronic, KUKO and Lynx Battery, among others. This competitive environment drives innovation, market differentiation, and strategic positioning as companies strive to capture market share and deliver value to their customers. Understanding the competitive dynamics is crucial for assessing market positioning, identifying growth opportunities, and navigating the challenges inherent in a competitive marketplace.

Company Name Domain Founded year HQ Location Description
domain founded_year HQ Location
Solar-based energy storage systems are manufactured for home use.
domain founded_year HQ Location
Provides energy storage systems and solar products for homes.
domain founded_year HQ Location
Provides comprehensive solutions for energy storage systems.
domain founded_year HQ Location
Offers smart home batteries and dynamic energy contracts for optimized energy storage and trading.
domain founded_year HQ Location
Specializes in lithium iron phosphate energy storage solutions.
Company Name Domain Founded year HQ Location Description
domain founded_year HQ Location
Multiple services are booked via an app-based platform.
domain founded_year HQ Location
On-demand services are booked through an app-based platform.
domain founded_year HQ Location
App based platform offering on demand delivery and ride-hailing services
domain founded_year HQ Location
Operates an on-demand hyperlocal delivery app for food and groceries.

Frequently Asked Questions about Sonnen

When was Sonnen founded?

Sonnen was founded in 2010 and raised its 1st funding round 3 years after it was founded.

Where is Sonnen located?

Sonnen is headquartered in Wildpoldsried, Germany. It is registered at Wildpoldsried, Bavaria, Germany.

Is Sonnen a funded company?

Sonnen is a funded company, having raised a total of $168.42M across 7 funding rounds to date. The company's 1st funding round was a Series C of $85M, raised on Jan 31, 2013.

What is the annual revenue of Sonnen?

Annual revenue of Sonnen is $132.91M as on Dec 31, 2021.

What does Sonnen do?

Sonnen was founded in 2010 in Wildpoldsried, Germany, as a provider of solar-integrated energy storage solutions in the renewable energy sector. Systems for residential and commercial applications are offered, including eco, hybrid, and pro series that integrate with fuel cells and wind turbines, featuring built-in inverters. Energy consumption is monitored and controlled via a mobile application. Additional offerings include solar water heaters, power backup systems, and e-vehicle charging solutions.

Who are the top competitors of Sonnen?

Sonnen's top competitors include NeoVolta, Marstek Energy and Cellcronic.

What products or services does Sonnen offer?

Sonnen offers sonnenBatterie and Smart Energy Solutions.

How many acquisitions has Sonnen made?

Sonnen has made 1 acquisition, including Webatt Energy.

Who are Sonnen's investors?

Sonnen has 11 investors. Key investors include Shell, eCapital, Envision Group, General Electric, and European Investment Bank.

Explore millions of companies — effortlessly

Access structured, verified intelligence on 7M+ companies across industries, sectors, and global markets. From early-stage startups to large enterprises, discover ownership, leadership, funding, financials, acquisitions, and market signals — all in one powerful platform.

Free account with essential features Instant access to company reports Enterprise solutions available