Energy storage investment cost discount rate

Can energy storage systems be profitable?

This paper evaluates the feasibility and profitability of investing in energy storage systems through a comprehensive techno-economic analysis. Net Present Value (NPV) quantifies the economic benefits of a project by measuring the difference between the present value of future cash flows and the investment cost.

How does a discount rate affect energy investment?

The chosen discount rate can have a profound impact on investment decisions and the development of energy infrastructure. A high discount rate might lead to underinvestment in renewable energy, while a low rate could discourage investment in technologies that are currently cost-effective.

How efficient is energy storage system?

The energy storage system has a daily cycle of 2 times, a 10-year lifespan, and a state of charge between 0.1 and 1. Its charging/discharging efficiency is 95%. The investment discount rate is 6%, and the inflation rate is 3%. Fig. 1.

What is a good discount rate for a solar energy company?

For example, a solar energy company may opt for a discount rate that mirrors the WACC, which could be around 6-8% for developed markets. This rate takes into account the cost of equity and debt, balancing the expectations of shareholders with the repayment obligations to lenders.