Bigger Solar Rebates for Businesses: What the New Changes Mean

A 250kW solar system on a commercial roof is about to get roughly $68,000 cheaper to install. An 850kW system could see closer to $230,000 knocked off. That’s the practical effect of a change to the Small-scale Renewable Energy Scheme (SRES) announced by Energy Minister Chris Bowen on 4 August 2026, and if your business runs anything from a mid-sized warehouse to a large distribution centre, it’s worth understanding before it takes effect in October.

What’s Changing in the 2026 SRES Commercial Solar Rebate 

The SRES is the scheme behind the upfront certificate discount that makes solar affordable from day one, rather than something businesses claim back over years. Right now, it only applies to systems up to 100 kilowatts, so anything larger has to go through the Large-scale Renewable Energy Target instead, a completely different mechanism that doesn’t offer anywhere near the same immediate saving.

From 1 October 2026, subject to the change completing the usual regulatory process, that cap lifts to 1 megawatt. In practical terms:

There’s a second part of the announcement worth knowing about too. Bowen has asked the Australian Energy Market Commission to review how long distribution networks can currently sit on commercial connection approvals – often months. If that review leads to change, it could ease what’s actually been the bigger bottleneck for a lot of these projects: not financing, not hardware, but waiting on the network operator.

Does the New Business Solar Rebate Affect Homeowners? 

Nothing changes for residential solar here. Standard home system pricing and the existing rebate stay the same for now, and the Cheaper Home Batteries Program continues running for households wanting to add storage. But if you’re a homeowner who also runs a business, or you know someone who does, this is worth passing along. For a lot of commercial and industrial energy users, the finance on solar simply hasn’t stacked up until now; this is the first real structural shift in years.

Is Your Business Eligible?

The expanded rebate is aimed at commercial, industrial, and agricultural sites with rooftop capacity somewhere between roughly 100kW and 1MW – think warehouses, factories, cold storage facilities, and larger farm sheds. If your site currently sits in that range and hasn’t gone solar because the numbers never quite worked, this is the change that’s likely to shift that calculation.

Also Read: Why Older Solar Systems Need an Upgrade: Signs Your Solar System Is Outdated

How to Prepare for the New Business Solar Rebate Before October 2026 

If your site has realistic rooftop capacity somewhere in the 150kW–1MW range, the smart move is getting a proper site assessment done now, not waiting until the cap officially lifts. Network approval queues tend to build quickly once a scheme like this goes live, and businesses that get their paperwork moving early are the ones who avoid sitting behind everyone else who read the same headline in October.

Every roof, meter, and energy profile is different, so the only way to know your actual numbers is a real quote for your site. Sunburn Solar can run that assessment and map out what the expanded cap could be worth for your business specifically.

This article is based on Minister Bowen’s 4 August 2026 announcement. Final details are subject to the SRES amendment passing the usual regulatory process, and we’ll update this post once the rules are locked in.