Demand for sustainable investments has been growing for years. More and more investors are looking for ways to invest their capital not only safely and profitably, but also in an environmentally responsible manner. With the Ranft Solar Bond 2025, the Ranft Group offers: A reliable partner since 1996
The Ranft Group, headquartered in Bad Mergentheim, has been operating successfully in the market for nearly three decades. Originally founded in the real estate development sector, the company now focuses clearly on renewable energy: photovoltaics, hydropower, and innovative energy storage solutions.
By the end of 2024, the group had already raised over 91 million euros in equity from more than 6,150 investors—many of whom are loyal repeat investors. Over the past few years, 34 offerings have been successfully placed, all of which were executed without any issues. The performance fulfillment rate stands at 100%, which impressively underscores the group’s reliability and stability.
With over 100 completed projects in Germany, Austria, and Italy, and a steadily growing number of employees, the Ranft Group has established itself as a major player in the renewable energy market.

The Ranft Solar 2025 Bond at a Glance
The current offering, the Ranft Solar 2025 Bond, is aimed at investors seeking a combination of stability, attractive returns, and sustainability. Key facts:
- Term: 5 years
- Interest rate: 7.0% per annum
- Interest payments: semiannually
- Issue size: 10 million euros
- Investment ratio: 92.2% (very high)
Investors’ capital is channeled into the expansion and operation of solar and energy storage projects, which are added to the Ranft Group’s own portfolio. As a result, investors not only benefit from a clearly predictable return on investment but also actively support the energy transition.
Analysis by Philipp Nerb: “Very Good” for Stability and Innovation
Philipp Nerb, Master Consultant in Finance (MFC), financial planner, and author, has been analyzing capital market products for over 20 years. In his latest analysis for finanzwelt.de, he highlights several points in particular:
- A long track record of success: The Ranft Group’s impeccable history speaks to continuity and trust.
- Innovative Storage Solutions: By integrating storage technologies and designing its own substations, the Ranft Group goes beyond traditional PV projects.
- Conservative approach: The bond is clearly structured, costs are low, and predictability is high.
- Attractive return: 7% per annum for a fixed term is considered reasonable and sound in relation to the risk.
His conclusion: The Ranft Solar 2025 Bond is a conservative core investment that stands out for its reliability, diversification, and a high degree of planning certainty.
You can read the full value analysis here:
Philipp Nerb’s analysis on finanzwelt.de
Why Invest in Renewable Energy?
The renewable energy market is one of the fastest-growing sectors worldwide. Photovoltaics and energy storage solutions play a key role in ensuring energy security and reducing dependence on fossil fuels.
Energy storage systems —specifically those capable of reliably supplying electricity over extended periods—are becoming increasingly important for the energy transition. This is where the Ranft Group demonstrates its innovative strength, consistently expanding its own PV systems with modern storage solutions. This enables not only short-term grid stability but also the ability to provide baseload power based on renewable energy sources.
Conclusion: A strong investment in the future
The Ranft Solar 2025 Bond combines what many investors are looking for today:
- Sustainability Through Investment in Renewable Energy
- Confidence inspired by the Ranft Group's long and impeccable track record
- Attractive return of 7% per year with a fixed term
Philipp Nerb's analysis underscores that this is a very well-rated investment —conservative, stable, and innovative all at once.