The article examines how professionals in Germany and Switzerland value renewable energy projects. They found that both systematic and unsystematic risks are important in valuing these investments, with political and market risks being key factors. Discounted cash flow (DCF) valuation is commonly used, with adjustments made for risks. The internal rate of return (IRR) method is popular, despite potential drawbacks compared to net present value (NPV). Market participants often use a simplified valuation approach that may not consider the right discount rate. Weighted average cost of capital (WACC) is commonly used for defining hurdle rates, even though it may not be the best approach.