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Ostrom, a Berlin-based digital green energy provider, raised €20M in Series B funding led by Eneco Ventures. The funds will be used to expand operations and development efforts.

PRIVATEJun 20, 2025

Amount Raised

€20 Million

Round Type

Series B

BerlinEnergyRenewable EnergySolar

Investors

SE VenturesUnion Square VenturesAdjacentÜbermorgenJ12Eneco Ventures

Description

Ostrom raised €20M in Series B funding. The round was led by Eneco Ventures, with participation from SE Ventures, Union Square Ventures, Adjacent, Übermorgen, and J12. The company will use the funds to expand operations and enhance development efforts. This new investment has brought Ostrom's total funding to over €40M.

Quick answer

Ostrom raised €20 Million in a Series B round, dated June 20, 2025. Investors: SE Ventures, Union Square Ventures, Adjacent, Übermorgen, J12 and Eneco Ventures. Ostrom is based in Berlin, Berlin, Germany.

How much did Ostrom raise?
Ostrom raised €20 Million in a Series B round on June 20, 2025.
Who invested in Ostrom?
SE Ventures, Union Square Ventures, Adjacent, Übermorgen, J12 and Eneco Ventures are named as investors in this round.
What does Ostrom do?
Ostrom is a digital green energy provider based in Berlin, Germany.
Where is Ostrom based and how big is it?
Ostrom is based in Berlin, Berlin, Germany. Fundz records about 43 employees.
Who are the decision-makers at Ostrom?
Fundz holds 1 contact at Ostrom. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Energy and Renewable Energy around the same time

Companies in the same sectors as Ostrom that raised within 45 days of this round, from Fundz verified event records.

  • Planted Solar raised $12M (Funding Round) on July 29, 2025.
  • Octopus Investments Australia Pty. Ltd raised $650M on July 29, 2025.
  • Estes Energy raised $11M (Seed) on July 23, 2025.
  • August Energy raised $15M (Funding Round) on July 17, 2025.
  • Elements Green raised $93M (Funding Round) on July 15, 2025.
  • Renewa raised $200M (Funding Round) on July 15, 2025.

Who to call at Ostrom, and when

A new round usually means Ostrom is about to hire and buy. The teams that reach out first get the meeting.

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Company Information

Company

Ostrom

Location

Berlin, Berlin, Germany

About

Ostrom is a digital green energy provider based in Berlin, Germany. The company offers control over household electricity with a flat monthly fee and electricity-at-cost. Customers can choose between two billing options: SimplyFair for predictable billing or SimplyDynamic for smart energy consumption. Ostrom's app allows users to monitor and manage their energy usage while connecting to EVs, chargers, and solar and battery storage.

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Funding Insights

What this usually means
Timeline to next round
Series B companies typically work for 15-20 months before raising new capital
Growth expectations
Series B companies are expected to scale rapidly and expand market reach

Ostrom raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 281,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.