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Eight services, one contract

All services, in detail

The record

Aerial view of the solar array on the roof of a high-rise at Sydney Olympic Park.

Measured, not claimed.

Three recent jobs across NSW, with the generation, saving and payback figures published in full.

See the projects

Why nobody can quote you an exact figure

An open commercial metering panel showing terminated cabling and three current transformers clamped around the incoming cables.

The NSW commercial battery incentive is delivered through certificates, and certificates carry a market price. An exact dollar figure in a proposal is a claim, not a forecast.

The incentive is a certificate, not an amount

If a supplier has given you an exact rebate figure for a commercial battery in NSW, they have guessed. Not lied, necessarily. Guessed. Understanding why is the difference between reading a proposal and being sold one.

The NSW commercial battery incentives are not fixed dollar amounts. The value is delivered through Peak Reduction Certificates1, created by the project and sold into a market. That market has a price, and the price moves.

So the number that was true when a proposal was written is not necessarily the number on the day the system is installed. Nothing has to go wrong for that to happen. It is how the mechanism works.

Reported indicative values sit around 30 to 40 per cent of the cost of the battery where it is installed with new or additional solar 2. NSW publishes a Certificate Estimator3 for project level figures, and that is the right starting point for a specific site.

The evidence that the value genuinely moves

In November 2025, the 2026/27 scheme target was cut to 0.5 per cent, down from 7.5 per cent4.

Nothing about the incentives themselves was amended. No rule was rewritten. The target moved, the certificate market responded, and the value of a project changed.

That is not an argument against proceeding. It is an argument for knowing what your project's value actually depends on.

What a defensible proposal looks like

Five things. A proposal that has them is one you can take to a board.

A range, not a single number, with the certificate price assumption stated in writing. The Certificate Estimator output for your site, dated. The activity named, with the eligibility test shown rather than asserted. The solar ratio demonstrated against the actual proposed array, where it applies. And a statement of what would have to change if any eligibility test is not met as designed.

The question worth asking

Ask whoever quoted you what certificate price they assumed.

A supplier who has thought about it will answer immediately, because the assumption is written into their model. One who has not will change the subject.

Either way you will have learnt something useful about the quote, and about who you are dealing with.

Citations

  1. 01
    Peak Demand Reduction Scheme NSW Climate and Energy Action · primary The scheme the three battery activities sit under, and what it exists to do. energy.nsw.gov.au
  2. 02
    Batteries for businesses incentive NSW Climate and Energy Action · primary The business and industrial activities, their exclusions and conditions, and the indicative values and worked examples quoted. energy.nsw.gov.au
  3. 03
    Safeguard Certificate Estimator NSW Climate and Energy Action · primary Project level certificate figures for a specific site. energy.nsw.gov.au
  4. 04
    “Shockwaves through the market”: NSW slashes peak demand reduction target amid home battery rebate fallout RenewEconomy · 3 November 2025 · secondary The cut of the 2026/27 scheme target to 0.5 per cent from 7.5 per cent, and the market response to it. reneweconomy.com.au

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