Energy storage battery investment return calculation

How do I calculate return on investment on a battery energy storage system?

To calculate the return on investment (ROI) on a battery energy storage system, you need to consider several factors, including: Capital costs: This includes the cost of purchasing and installing the system. There are significant incentives which impact the capital costs.

Is battery storage a good investment?

The economics of battery storage is a complex and evolving field. The declining costs, combined with the potential for significant savings and favorable ROI, make battery storage an increasingly attractive option.

How has the cost of battery storage changed over the past decade?

The cost of battery storage systems has been declining significantly over the past decade. By the beginning of 2023 the price of lithium-ion batteries, which are widely used in energy storage, had fallen by about 89% since 2010.

How do government incentives and subsidies affect battery storage?

Government incentives and subsidies play a significant role in the economics of battery storage. In the United States, the investment tax credit (ITC), which offers a tax credit for solar energy systems, has been extended to include battery storage when installed in conjunction with solar panels.

Should you buy a battery storage system in Australia?

The attractiveness of a battery storage system varies depending on if you reside in Adelaide, Brisbane, Canberra, Darwin, Hobart, Melbourne, Perth or Sydney. Each city has its own significant variables including sunlight patterns, energy costs and solar system prices.

How long does a lithium-ion battery storage system last?

As per the Energy Storage Association, the average lifespan of a lithium-ion battery storage system can be around 10 to 15 years. The ROI is thus a long-term consideration, with break-even points varying greatly based on usage patterns, local energy prices, and available incentives.