Is there a government subsidy for household energy storage?

Australia offers some of the strongest per-kWh subsidies in the world, especially when combined with Virtual Power Plant (VPP) programs.

State-by-State Rebate Programs

Virtual Power Plant Programs Many states encourage participation in VPPs, where your household energy storage is aggregated with others to support the grid. In return, you can receive bill credits or direct payments on top of the upfront rebate.

How to Apply in Australia Applications usually go through approved retailers or installers. You will need system specifications and an installation completion certificate. Processing typically takes 4–12 weeks.

Europe's incentive landscape is more fragmented, with national and regional programs varying significantly.

Germany KfW 270 offers low-interest financing for storage combined with solar. Several states (Bundesländer) provide additional grants ranging from €500 to €2,000. Eligibility often requires new installation or adding storage to existing solar.

United Kingdom Since February 2024, household electricity storage systems qualify for 0% VAT (previously 5%, and 20% before 2022). The Smart Export Guarantee also provides a minimum payment rate for electricity exported from storage to the grid.

Italy and Other EU Markets Italy's Superbonus has been reduced but still offers deductions for energy storage. Other countries like the Netherlands, Belgium, and Spain have national or regional programs. The EU Renovation Wave policy is pushing for expanded storage incentives through 2030.

Japan The METI subsidy program offers ¥60,000 per kWh for residential storage. Equipment must be on the approved list, and installation must be done by certified companies.

South Korea and Southeast Asia South Korea has combined solar + storage incentives. Thailand and Vietnam are in early stages, mostly focused on commercial projects. Singapore uses time-of-use tariffs to encourage storage rather than direct subsidies.

Buying Non-Eligible Equipment Most programs maintain approved equipment lists. Products from manufacturers not on the list are usually ineligible. Always confirm eligibility with the specific program before purchase.

Using an Unlicensed Installer Most incentives require installation by certified or accredited installers. DIY installation almost always disqualifies the claim.

Missing Deadlines or Documentation Programs have strict timelines and require complete documentation, including invoices, specification sheets, and installation certificates.

Assuming Programs Are Permanent Many incentives have funding caps and expiration dates. Programs that exist today may change or end within 12 months.

Use this simple framework

Buying direct from a household energy storage manufacturer can reduce equipment cost by 15–30% compared to retail. However, you must confirm the product qualifies for your local program.