Articles

Panels, inverter, meter, grid - what each part does, and which decisions in that chain actually change your bill.

SAA, CEC, AS/NZS-something - here's what the alphabet soup on solar websites actually means for you, with zero industry knowledge assumed.

Bills are designed for billing, not understanding. Here are the five numbers that matter and where retailers hide them.

From a UNSW lab record to the highest rooftop-solar penetration on earth - how Australia became the world's solar test bed.

The actual physics - what happens inside a panel, in plain language, no equations.

Most solar journeys start with surrendering your phone number to get a price. We built the tool so yours can start with answers instead.

Sydney is one of the world's best major cities for rooftop solar. Here's the local picture - real yields, your network's rules, and the design details that are specifically Sydney.

Battery economics changed materially with the federal rebate. Here's how to work out whether yours stacks up - including when it doesn't.

The economics of solar inverted over the last decade. Understanding why explains most of modern system design.

Most quoted payback figures are technically true and practically useless. Here's how to read one properly.

Your old plan was chosen for your old usage. Solar changes your usage profile, and the best plan usually changes with it.

An EV roughly doubles the case for solar - if the charging and the sunshine actually line up.

The same household can be hundreds of dollars better or worse off on time-of-use, purely on when they use power.

Hot water is a quarter of many bills - and the easiest big load to point at your solar.

An EV is the biggest battery you'll ever own parked next to the second biggest. Here's the ecosystem taking shape - and what's practical today.

The cheapest kilowatt-hour is the one you move. A practical hierarchy for running a home on its own generation.

Efficiency is the only energy investment that beats solar's returns - and it makes every system you buy smaller and better.

Discounts off inflated bases, conditional rates, and plans designed to be incomparable - here's how to actually read an offer, and the two comparison sites that do the work for you.

Renters, apartment dwellers and shaded roofs - a practical playbook for lower bills and cleaner energy without panels.

Budget, rental, or strata says no battery - fine. A battery is one strategy for one problem, and most of its value can be captured other ways.

For most NSW homeowners, clearly yes - but the reasons have changed, and the honest answer includes the cases where it's no.

VPPs can shorten battery payback meaningfully. They also involve handing over some control. Here's the full picture.

Bigger isn't better - matched is better. The sizing logic our engineers actually use.

Most solar systems go dark with the grid. Here's why, and what real backup requires.

Lithium chemistry, why 'usable' beats 'nominal', what degradation really is, and what the management system is protecting you from.

Batteries make people nervous, and the honest response is information rather than reassurance. Here's what the risk actually is, what the chemistry we install does differently, and what a compliant installation is protecting you from.

What the Cheaper Home Batteries Program actually does, who qualifies, how it's applied, and why timing matters.

It isn't a rebate and it isn't a grant. Here's the certificate mechanism behind the discount on every solar quote in Australia.

The full stack in one page: solar STCs, the federal battery rebate, the NSW VPP incentive and hot-water incentives - what each is worth, how they combine, and the deadlines that are real.

A checklist for comparing quotes on substance rather than headline price - including the omissions that matter most.

Solar is electrical contracting. In NSW that's licensed work, and dealing with unlicensed operators carries real consequences for you, not just them.

Four different promises get called 'the warranty'. They cover different failures, from different parties, for different periods.

The solar market has hundreds of vendors, from licensed engineering firms to pop-up sellers. Here's what the premium actually buys, why the product alone is never enough - and where we stand on price matching.

Honest market ranges, what actually moves the number, and why any fixed price quoted before seeing your roof is a guess dressed as an answer.

A value-focused hybrid ecosystem with modular battery stacking. Where FoxESS makes sense, and what to check.

One of the world's largest inverter manufacturers, with a strong Australian presence across residential and commercial.

The Powerwall 3 integrated a solar inverter into the battery. That reshapes system design - for better and worse.

A battery-first manufacturer with a long Australian track record and flexible retrofit options.

A broad, competitively priced inverter range that rarely leads a shortlist but often deserves a place on it.

One of the world's largest panel manufacturers. What that scale means for your roof.

Consistently among the world's top panel shippers, and a staple of Australian rooftops.

One of the industry's oldest major manufacturers, with decades of field history behind its warranty.

A top-five global manufacturer that competes on manufacturing consistency rather than marketing.

The high-volume value brand. Legitimate in the right design; wrong when it's hiding a cheap system.

The Austrian manufacturer that built its Australian reputation on serviceability and support.

The company that effectively invented the modern solar inverter. Premium, proven, and unapologetic about it.

Huawei's FusionSolar technology also reaches Australia under the iStore brand. What the platform offers.

AS/NZS 5033, 4777, 5139 and 3000 govern how your system is built. Here's what each one is protecting you from.

Your supply type quietly sets the ceiling on your system - export limits, inverter choice, and battery backup design all follow from it.

Your network company, not your installer, decides how much you can export - and the rules are shifting from fixed caps to dynamic ones.

AS/NZS 5139 decides where your battery can and cannot go - and the rules rule out more locations than most people expect. Here's what they mean for a real house, before anyone quotes you.

Roof types, switchboards, timelines, and the practical realities most people only discover on the day.

What actually happens after you accept - approvals, scheduling, install day, the meter, and the moment your monitoring goes live. Timelines included, surprises removed.

How we keep installations safe and to standard, the approvals involved, and the realistic timeline from signed quote to a system you can switch on.

Mounting rails are the part of your system nobody mentions in a quote - and the difference between black and mill-finish silver is the difference between a system that disappears into your roof and one you notice from the street.

Daytime load, the 100 kW threshold, LGCs, and why commercial systems often stack up faster than residential ones.

Daytime load, upfront STCs, tax treatment and finance that cash-flows from day one - the strongest business case in Australian energy, and the 100 kW line that shapes it.

On many business bills the demand charge is a bigger number than the electricity itself - and it is calculated in a way most owners have never had explained. Here's how it works and where solar and storage actually help.

Solar fails quietly. Without monitoring, an underperforming system looks exactly like a working one until the bill arrives.

The system is on and the installer has gone. Here's what to look at in week one, what a normal seasonal dip looks like, and the few moments in the first year where paying attention actually pays.