Solar articles

Grid-tied solar shuts off automatically when the power goes out: even on a sunny day. Here's why, which systems keep working during outages, and what you need for blackout protection in Perth.

Perth buyers increasingly factor in solar when comparing homes. The evidence on solar's impact on Perth property values, and how to present your system effectively when selling.

A solar quote contains costs and specifications that are hard to compare without knowing what each item means. Here's a plain-language breakdown of the typical line items in a Perth solar quote, so you know what you're actually comparing.

Not all Perth solar quotes are equal. Here are the warning signs in quotes and sales presentations that indicate low-quality products, misleading claims, or unqualified installers.

Perth homes with rooftop solar carry live DC voltage on the roof even when the inverter is switched off. This guide explains what rapid shutdown means, how Australian standards approach fire safety for residential solar, what homeowners can do in an emergency, and what SafeDC technology offers.

Perth landlords can install solar on rental properties, and claim it as a tax deduction. Here's how the tax treatment works, what tenants gain, and what to consider before installing.

Installing solar on a roof that needs replacing in the next 5–10 years creates an expensive problem: removing and reinstalling panels to access the roof. Knowing when to re-roof first can save thousands.

North-facing is ideal, but most Perth homes can't fit all their panels there. Here's how different roof orientations affect solar generation, when east/west splits make sense, and what's genuinely worth avoiding.

Roof leaks after solar installation are one of the most common complaints Perth homeowners encounter. Here's what proper roof penetration and flashing looks like, what to check after your installation, and how to identify workmanship problems early.

Perth rooftops cover clay tiles, concrete tiles, Colorbond steel, flat roofs, and heritage fibro or asbestos cement. What works on each and what complications to expect before installation.

If your first year's solar savings fall short of the installer's estimate, there are five main reasons this happens. Some are expected and unavoidable; others indicate a system problem or a billing error that can be fixed.

A 6.6kW solar system generates roughly twice as much in December as it does in July. Here's how Perth's seasons affect your solar generation, your electricity bill, and what to do differently in each season.

Every kilowatt-hour your Perth solar system generates either replaces grid electricity you would have bought (at 33.26c/kWh) or exports to the grid under the DEBS scheme (2c/kWh off-peak, 10c/kWh during the 3pm-9pm peak window). Since most solar exports happen during the 2c off-peak window, self-consumption is usually worth 31.26c/kWh more, and still worth 23.26c/kWh more for the smaller share of exports that land in the 10c peak window. Either way, self-consumption is almost always the better outcome, but the practical question is how much you can actually shift.

The more solar you use directly (instead of exporting at 2c/kWh), the better your payback. Without a battery, you maximise self-consumption by shifting appliance loads into solar generation hours. Here's how Perth households do it.

How much of your electricity can you generate and use yourself in Perth? Here's what genuine solar self-sufficiency looks like for a Perth household: what's achievable, what it costs, and why 100% is rarely the goal.

Even a small amount of shade can significantly reduce solar output from a string inverter. Here's how to identify shading risk, what tools installers use, and whether that peppermint tree needs to come down.

A shadow covering just one panel in a Perth string inverter system can reduce the entire string's output. Understanding shading, how inverters respond, and when optimisers or microinverters help is essential for roof assessments.

Shade from trees, neighbouring buildings, and roof structures is the single biggest variable in Perth solar performance. How to assess shading before you sign a solar contract.

Even partial shade on one solar panel can reduce output from the entire string, because standard string inverter systems link every panel into one circuit. Here's how shade propagates, how to tell how much you're losing, and when power optimisers or microinverters are worth the cost.

Commercial solar for Perth small businesses (retail, office, warehouse, and hospitality) works on different economics than residential. Here's what business owners need to understand before getting quotes.

Small businesses in Perth face some of Australia's highest commercial electricity tariffs. Solar can dramatically reduce operating costs, but commercial systems have different considerations than residential. Here's what business owners need to know.

If you own a unit or apartment in a Perth strata scheme, installing solar is more complex than for a freestanding home. Here's what the rules are, what's possible, and how to approach a strata body corporate application.

Living in a Perth apartment or strata property doesn't mean you can't benefit from solar. Here's what's possible (common property solar, tariff switching, and embedded networks) and what isn't.

Solar panels in a string inverter system are wired in series. Understanding why this matters (and why one shaded panel can affect your whole string's output) helps you read your monitoring data and evaluate shading mitigations.