Frankfurt-based software firm Node Energy has successfully closed its Series B funding round, securing €15 million in new capital to expand its energy services platform. The financing round saw participation from major investors including Deep Tech & Climate Fonds (DTCF), High-Tech Gründerfonds (HTGF), Bitstone Capital, Bon Venture, and long-time backer E-Capital Entrepreneurial Partners.
With this fresh funding, Node Energy aims to enhance its Opti-Node platform—an innovative digital marketplace that connects medium-sized commercial and industrial enterprises with photovoltaic and wind plant operators through Power Purchase Agreements (PPAs).
Traditionally accessible only to energy giants such as BASF and Amazon, PPAs are now being democratized for the mid-market segment through Node Energy’s “PPA-as-a-Service” model. This software-based solution facilitates direct electricity procurement, streamlines billing processes, and offers real-time data for energy monitoring and compliance.
“By removing red tape and simplifying the green electricity supply chain, we’re turning affordable wind and solar power into a competitive advantage for the German economy,” said Matthias Karger, Founder and Managing Director of Node Energy.
According to the company, users of the platform can reduce their energy costs by 10% to 25%. Meanwhile, operators of renewable energy systems—especially older wind turbines and low-return solar assets—stand to benefit from increased revenues.
The next phase of development will focus on integrating energy storage solutions into the platform, which the company says will stabilize supply and prices, and improve the overall efficiency of renewable energy usage.
“Digitalization and storage integration are critical to ensuring a sustainable energy supply,” Karger emphasized.
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