Cheaper Home Batteries Program - Installations - program expansion

Question

In relation to the program expansion to $7.2 billion in December 2025: 1. What was the government's revised average subsidy or cost per battery unit (and per usable kilowatt-hour) in December 2025 when the program was re-costed at over $7.2 billion? 2. What is the lifetime cost of the program - can you confirm that it is $8.5 billion as indicated by officials during Senate Estimates? 3. What was the actual average subsidy or cost per battery paid by the government during between December 2025 and July 2026? 4. What was the variance (in both dollar value and percentage) between the estimated cost per battery and the actual cost paid between December 2025 and July 2026? 5. How many total eligible battery systems were installed under the program between December 2025 and July 2026? 6. Across the entire lifespan of the program (from July 2025 to July 2026) what is the total cumulative expenditure and the overall average cost per battery installation to the government?

Answer

Please see the attached answer.

Documents

• Question with answer (PDF) (opens in a new tab)
• SQ26-000722.pdf (opens in a new tab)