Commercial Solar & Battery Rebate Calculator
Estimate your STC solar rebate and your NSW BESS1–BESS5 battery incentive in one place — just like our residential calculator, switch tabs to see either estimate.
Estimates only — see full disclaimer belowChoose your rebate type
Solar panels earn STCs. Batteries earn a PDRS battery incentive (BESS1–BESS5). Most commercial jobs claim both — flick between tabs to estimate each.
What this looks like on real business roofs
Shopfront / office — 15kW
Light industrial unit — 30kW
Warehouse / factory roof — 100kW
Which BESS activity applies to you?
New home / small business battery
New battery with existing or new rooftop solar, controllable by a demand response aggregator.
Existing battery joins a VPP
Already-installed battery signs a demand response contract for ongoing 3-year terms.
Apartment building battery
Class 2 buildings with 4+ dwellings, shared between residents.
Small & medium business battery
Non-residential, non-data-centre premises. Higher rate with matching new solar.
Commercial & industrial battery
Larger C&I sites (excl. data centres). Capped at first 10,000 kWh usable.
Solar STC disclaimer
This calculator provides an indicative estimate only, using the same Small-scale Renewable Energy Scheme (SRES) formula as our residential calculator. STC market prices fluctuate daily, zone ratings depend on your exact postcode, and the deeming period steps down each year to the scheme's scheduled end in 2030. Commercial systems above 100kW are not eligible for STCs and instead generate Large-scale Generation Certificates (LGCs) under a different scheme. Final certificate count is confirmed by your accredited installer at time of installation.
Battery BESS1–5 disclaimer
This calculator provides an indicative estimate only. BESS1 and BESS2 commenced under the NSW Peak Demand Reduction Scheme on 1 July 2026; BESS3, BESS4 and BESS5 commenced 1 September 2026. Coefficients, network loss factors, capacity bands and minimum co-payments are compiled from the NSW PDRS Rule and published industry guidance and may be updated by the Scheme Administrator (IPART) at any time — always confirm final figures with your accredited installer before signing a contract. PRC market prices fluctuate daily and are not guaranteed.
Solar STCs and a battery's PDRS incentive sit under different schemes and can often be claimed on the same project, subject to eligibility rules confirmed at quote stage. Last reviewed September 2026.
Commercial rebate FAQs
No — the Small-scale Technology Certificate scheme doesn't distinguish between a home and a business. Any grid-connected system up to 100kW is eligible using the same formula. What usually differs for commercial sites is the system size.
Five separate activities under the NSW Peak Demand Reduction Scheme, split by site type: BESS1 new home/small business, BESS2 existing battery joining a VPP, BESS3 apartment buildings, BESS4 small & medium business, BESS5 larger commercial & industrial. Each has its own capacity band, rate and minimum co-payment.
BESS1 requires existing or new solar. BESS3, BESS4 and BESS5 earn a higher rate paired with new solar within 90 days, but can still qualify at a lower rate without it. BESS2 doesn't require solar at all.
In most cases yes — they sit under separate schemes and are commonly claimed on the same project. That's why this calculator keeps both on one page: run the Solar tab for your panels, then the Battery tab for your BESS activity.
You don't receive a cheque. PSC Energy calculates your eligible STCs, assigns them to us as part of the sale, and applies the value as an upfront discount straight off your invoice.
A tradeable certificate created for every unit of peak electricity demand a battery can shift, usually surrendered upfront to the installer for a discount off the system price. PRC prices move with the market, so the dollar value shown here is an estimate.
Get your exact commercial price
We'll confirm your final system design, real STC and BESS entitlement, and the discounted price in one written quote — no guesswork.
Get a Free Quote or call 02 4711 4312
