It was then thought that the barrier preventing enterprises from investing was a lack of willingness of banks to offer loans for energy efficiency upgrades. The solution then, was to convince the banks to offer these loans. However, once the banks were convinced that energy efficiency was a promising investment opportunity, there were still no clients. Many banks have specific green credit lines in place, but struggle to find clients. The experience showed that the availability of green credit lines does not directly imply investments will be made in energy efficiency.
Enterprises generally have many competing investment opportunities, and investment decisions are usually made based on a risk return perception trade-off. Enterprises are often uncertainty that energy efficiency upgrades will deliver the savings that have been promised.