Northern Territory Home and Business Battery Scheme HBBS Guide

Key Takeaways

• The Northern Territory Home and Business Battery Scheme offered substantial subsidies of $400 per kilowatt-hour up to a $12,000 cap.
• The scheme has reached its statutory $6 million funding allocation and is formally closed to new applications.
• Pending or late applications will only be assessed if additional government funding is authorized.
• Installing batteries at self-expense is permitted, but grants are strictly restricted to systems approved prior to installation.
• Regulated solar customers benefit from an export feed-in tariff of 18.66 cents per kilowatt-hour starting 1 July 2025.

Program Structure and Funding Cap Status

The Northern Territory Government launched the Home and Business Battery Scheme to accelerate residential and commercial energy storage adoption across Darwin, Alice Springs, Katherine, and regional centres:

"The Home and Business Battery Scheme (HBBS) has now reached its $6 million funding allocation and is now closed to new grants."

With high demand rapidly exhausting program finances:

"Applications that have been submitted but not yet approved, along with new applications received, will only be considered if further funding becomes available.""While applicants may still choose to proceed with battery installation at their own expense, only installations approved through a formal grant notification will be eligible for funding."

The structure and operational parameters of the NT Home and Business Battery Scheme (HBBS):

• Program Status: Total Allocation: $6 Million Funding Pool (NOW REACHED)
• Grant Terms (Homeowner & Business): $400/kWh Usable Capacity (Maximum Grant: $12,000)
• Equipment Compliance: Approved Installations Must Be Pre-Approved on CEC Battery Register
• Export Tariff: Post-July 2025 Grid Export FiT: 18.66 cents / kWh

Grant Rates, Eligibility Criteria, and Technical Standards

When active, the program provided some of the most generous storage co-contributions in Australia:

"If you're a Northern Territory (NT) homeowner, business or a not-for-profit organisation, you can apply for a grant to buy and install batteries and inverters.""As of 1 December 2024, eligible homeowners and businesses can access a grant of $400 per kilowatt hour of usable battery capacity up to a maximum grant of $12,000."

To safeguard consumers against substandard hardware, strict technical criteria applied:

• "The grant is available for battery systems that are on the Clean Energy Council’s approved battery list"
• "Some batteries may only be compatible with specific inverters. Make sure the battery you choose is compatible with your inverter."

Ownership Rules and Application Limits

The scheme established clear administrative boundaries to prevent market monopolization:

• "Homeowners that own a business can apply for both their home and business."
• "Previous grant recipients of the Home and Business Battery Scheme are not eligible to apply to the new scheme."
• "The grant is available to eligible recipients regardless of their electricity provider."
• "You can only submit one application per property and per homeowner."

Excess Solar Generation and Feed-In Tariffs

Batteries absorb daytime solar generation to power air conditioning and appliances during humid tropical evenings. When storage systems reach full capacity, excess power exports to the grid:

"From 1 July 2025, a rate of 18.66 cents per kilowatt-hour will apply to electricity exported to the grid."

This regulated export rate applies across standard retail customer tariffs, providing predictable financial returns alongside energy resilience.

Installation Safety and Extreme Climate Compliance

In the Northern Territory, battery installations must comply with AS/NZS 5139 and AS/NZS 3000. In coastal cyclone areas (Wind Region C), external battery enclosures and solar mounting systems must have structural certification under the NT Deemed to Comply Manual (DTCM). Batteries must feature high-temperature thermal management systems capable of operating safely in ambient temperatures exceeding 40°C.