For banks and lending institutions, green loans are no longer a strategic challenge—they have become an operational one. These products have already been defined, incorporated into product portfolios, and aligned with ESG objectives. The market also sends a clear signal that financing the green transition will continue to grow. Yet many financial institutions still struggle to scale the distribution of green loans to the level they expected. The issue lies neither in customer demand nor in product design itself, but in the credit decision process and in the stage at which customers recognize the added value of a green loan, such as preferential interest rates or access to subsidies. The time required to obtain these benefits is also a significant factor.
The difference between a conventional loan and a green loan becomes apparent only at the operational level. Traditional lending products rely on well-established processes, where eligibility criteria are clearly defined, risk models are mature, and lending decisions are predictable. Green loans, however, introduce an additional ESG dimension, which in many institutions still functions as an extra layer rather than an integral part of the lending process. As a result, applications require more information, investment assessments are less standardized, and credit decisions rely more heavily on individual analysis than on repeatable decision models.
This is where operational friction emerges—and it has a direct impact on sales performance. For business teams, it translates into longer processing times, greater uncertainty, and a higher risk that customers will abandon the financing process altogether. Inevitably, relationship managers and loan advisors are more inclined to recommend products that are simpler and faster to process. Green loans remain part of the product portfolio, but they gradually stop being actively promoted. In practice, this means lost revenue opportunities and a growing gap between ESG strategy and measurable business results.
Many institutions attempt to solve this challenge by expanding their existing lending processes and adding further ESG-related requirements. In reality, however, this often produces the opposite effect. The process becomes even more complex, and decision times become even longer. The real transformation lies elsewhere: simplifying the overall process while shifting its complexity from customers and advisors into the underlying technology.
In practice, this means designing a green loan as a fully-fledged, scalable lending product. The starting point is creating a fast-track credit process capable of delivering lending decisions within a timeframe comparable to that of a conventional loan. Such a process is not achieved by merely shortening individual steps; instead, it requires redesigning the overall decision logic and eliminating unnecessary decision points.
At the same time, institutions need a consistent green investment scoring methodology that replaces case-by-case assessments and translates environmental data into clear credit decisions. Without such a framework, every application remains an individual case, making large-scale deployment virtually impossible. This approach should be complemented by reducing the amount of ESG information required from customers and by developing sustainability assessment models that remain resilient despite frequent changes in regulatory requirements or subsidy programs. This can be achieved by limiting assessment models to the most critical parameters while enriching the remaining information automatically through dedicated configurators or low-code solutions.
Only then does end-to-end credit decision automation become possible. Automation removes one of the biggest sources of delays, enabling fast, consistent, and repeatable lending decisions. In this model, ESG is no longer an additional layer within the lending process; instead, it becomes an invisible component embedded into the workflow without affecting the customer experience.
The business impact is immediate. Green loans begin to function like standard lending products: they no longer prolong the application process, increase operational risk, or require additional effort from customers. Credit decisions for green financing can be made just as quickly as for conventional loans—and in many cases, even faster.
This is precisely where technology ceases to be merely a supporting tool and becomes a true competitive advantage. Not as yet another IT system, but as a new way of designing lending processes—one that accelerates credit decisions, simplifies operations, and eliminates friction. Only then can green loans finally deliver on the promise envisioned in ESG strategies: becoming scalable financial products that create measurable value for both customers and financial institutions.
We are a team of specialists working primarily on projects for the financial sector. On our blog, we share insights from real-world projects: we discuss technologies, analyze implementation approaches, and highlight what works in practice. We create content that helps better understand IT and make informed decisions — both from a business perspective and within technology teams.


