Expected ROI of domestic energy storage project in New Zealand 2026

How does energy storage affect Roi?

The cost of electricity, including peak and off-peak rates, significantly impacts the ROI. Energy storage systems can store cheaper off-peak energy for use during expensive peak periods. Subsidies, tax credits, and rebates offered by governments can enhance the financial attractiveness of ESS installations.

Why is fuel storage important in New Zealand?

The choice of fuel used for storage is critical for security, price stability and environmental impact. There is value in New Zealand having diversity for its storage solutions, as seen by the impact of the lack of gas in Winter 2024. Working with every facet of the energy industry, to help clients respond to business issues and trends.

Does New Zealand invest in battery storage projects?

Battery storage projects are on the rise overseas however New Zealand continues to lag behind internationally in terms of investment in such projects.

What is energy return on investment (EROI)?

Energy return on investment (EROI) — The ratio between the amount of energy required to extract or produce fuel and the amount of useful energy this fuel makes available to deliver other services – such as transport, heat or light. The graph below illustrates the EROI of renewable energy sources commonly used in New Zealand.

How can we improve New Zealand's energy supply?

Through the use of efficient technologies and processes, we can improve the affordability and reliability of New Zealand’s energy supply. Demand management is becoming increasingly important as our electricity demand increases and we transition toward greater use of renewable energy sources.

What factors influence the ROI of a battery energy storage system?

Several key factors influence the ROI of a BESS. In order to assess the ROI of a battery energy storage system, we need to understand that there are two types of factors to keep in mind: internal factors that we can influence within the organization/business, and external factors that are beyond our control.