Learning Center

Read the quote before you sign it.

Renewables and electrical work has the widest honest quote spread of any trade, because the cheap number leaves off the load calc, the cable sizing and the compliance. These guides put that back in the conversation. No sign-up, no sales pitch, just what to ask.

01 7 min read

What a solar quote should include

A real solar quote shows the load calc, the consumption analysis, the named panels and inverter, the cable sizing, the STC figure and the itemised warranties. If the cheap quote is missing those, that is where the savings, and the trouble, are coming from.

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01/06 8 min read

How much does solar and battery cost?

A 6.6kW system, a 10kW system, a battery retrofit: the indicative Hunter ranges, and why payback depends on your daytime usage and tariff, not the sticker price. Sizing to the bill is what makes a system pay back, and we show the working.

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06 6 min read

Solar rebates and STCs explained

STCs are the federal solar incentive, applied as a point-of-sale discount, and there are separate Federal and NSW battery incentives. What they are worth, how they should appear on your quote (as a figure, not a vague discount), and the VPP trade-off.

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03 7 min read

Do I need a battery, and will it run in a blackout?

Backup and blackout protection are not the same thing. A battery only powers your home in an outage if it has a backup gateway. How to size to your evening load, which circuits stay live, and how the new rebates change the payback.

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04 6 min read

Will my switchboard take an EV charger?

The first question a good EV installer answers, before quoting. Phase, spare ways, main switch rating and RCD protection decide whether your board can carry a charger or needs an upgrade first, and why a missing load check leads to nuisance tripping or an unsafe install.

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04 6 min read

7kW vs 22kW: which EV charger do you need?

Single phase gives you 7kW, which fully charges most EVs overnight. 22kW needs three-phase supply and suits two-car homes, workplaces and fleets. The real difference, what a supply upgrade costs, and when load management and OCPP matter.

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08 5 min read

Test and tag: how often you actually need it

Test and tag frequency is set by the environment, not a single rule. AS/NZS 3760 gives different intervals for an office, a kitchen, a workshop and a construction site. How to set the right frequency for your site so you are covered without over-paying.

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05 6 min read

What triggers a switchboard upgrade?

Ceramic fuses, no RCDs, a full board, or fault levels that no longer suit the supply. The signs a board needs upgrading, why solar, battery and EV work so often starts here, and how an honest quote costs it as a line instead of a mid-job surprise.

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02 6 min read

Why one certifying electrician matters

On a project, one certifying electrician owns the compliance from design to handover, so the Certificates of Compliance line up and nothing falls between subbies. What you get at handover (as-builts, CoC, O&M manuals) and why it makes the certifier sign-off painless.

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07 7 min read

How to spot a cheap energy quote

The villain is not the door-knocker, it is the quote with one number and nothing behind it: no load calc, a system sized to the rebate, no switchboard check, no CoC. The red flags in order, plus the five-minute routine to verify a renewables or electrical quote before you sign.

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