Funding and M&A Roundup: OpenSolar Raises $20 Million Equity Funding

OpusFlow raises $4.5 million in an oversubscribed funding round

October 8, 2025

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From: Mercom Capital Group

OpenSolar, a solar software platform, raised $20 million in equity funding from Titanium Ventures, Google, 2150 Sustainability Fund, and other investors. Leveraging Google’s Solar API data, the company’s platform serves as a solar operating system for installers. The new funding will enable further investment in its AI-driven technology solutions and support the expansion of its global coverage.

OpusFlow, a software platform for renewable energy installers, has raised €3.8 million (~$4.5 million) in growth capital from lead investor Move Energy, alongside Rise PropTech and existing investor Peak. The oversubscribed funding round follows a previous €1.7 million (~$2 million) investment led by Peak in July 2024, bringing the total raised capital to €5.5 million (~$6.5 million). The newly raised capital will enable OpusFlow to deepen its presence in its existing markets, the Netherlands, Belgium, Germany, Spain, and the U.K., while also supporting further international expansion.

Bowman Consulting Group, an engineering services and project management firm, announced it has acquired the assets of engineering firm Sierra Overhead Analytics and its technology affiliate ORCaS. The two companies are under common control.  The acquisition was financed through a combination of cash, seller notes, and a convertible note and is expected to generate an initial net service billing run rate of approximately $2.2 million, with immediate accretion to earnings.

Solar module manufacturer Alpex Solar has raised ₹2.6 billion (~$29.27 million) through a preferential issue of 2.15 million equity shares and warrants. The funds will be utilized to support the company’s plans to transform Alpex into an integrated solar cell and module manufacturer. The preferential issue attracted participation from private investors and funds, with a few already having exposure to renewable energy projects. Alpex plans to triple its solar module capacity to 3.6 GW by the end of the financial year 2027, from 1.2 GW.

The board of directors and the shareholders of Ola Electric Technologies, a wholly owned subsidiary of Ola Electric Mobility, have approved a proposal to raise ₹8.77 billion (~$98.92 million) by issuing up to 877.64 million shares to Ola Cell Technologies, another subsidiary. The non-cumulative and non-participating optionally convertible redeemable preference shares will have a face value of ₹10 (~$0.11) each and will be issued in one or more tranches through private placement.

For reports and trackers on funding and M&A transactions in solar, energy storage, and smart grid sectors, click here.

Read last week’s funding roundup.

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