Solar articles

North-facing is the best orientation for Perth solar, but plenty of homes have their usable roof facing south. Here is the real output penalty, when a south-facing array is still worth it, and when to choose another option.

Perth's heat makes a quality split system essential. With solar, your cooling costs can drop significantly if you choose the right unit. Here's how the main brands compare on efficiency, reliability, and solar compatibility.

The STC rebate cuts your solar quote by roughly $1,700 to $4,000 or more, but most Perth households don't understand how it's calculated, why it varies between quotes, or how fast it shrinks before the scheme ends in 2030. Here's how it actually works.

Individual apartment owners can't always put panels on their own roof. But a strata body corporate can install solar on common area roofs to reduce shared electricity costs. Here's how it works.

The Sungrow SG-RS is the solar-only string inverter, the non-hybrid sibling of the SH battery range. Here is who it suits in Perth, how it compares to GoodWe and Fronius, and how to choose without paying for battery features you will not use.

Synergy doesn't run a tiered 'A2' tariff for big households. Here's what high-usage Perth homes are actually billed on the A1 flat rate, and how solar changes the numbers.

Synergy bills Perth households every two months. With solar and DEBS, the bill structure changes significantly. Here's how the billing cycle works, what each line item means, and how to verify your charges are correct.

A Perth household with a well-sized solar system and low electricity usage can export enough to push their Synergy bill into credit, generating more in DEBS payments than they owe in usage charges. Here's what happens to that credit and how Synergy handles it.

Powerwall 2 is no longer sold in Australia and Powerwall 3 replaced it, but the Powerwall 3 is NOT eligible for the WA Battery Scheme rebate. This guide explains the technical differences for existing Powerwall 2 owners and for anyone reading a Powerwall 3 quote.

Perth homes with three-phase power need a three-phase inverter for larger solar and battery systems. This guide compares the main three-phase hybrid options: Sungrow SH RT, Fronius Symo GEN24 Plus, and SolarEdge three-phase, and explains when three-phase matters.

Most Perth homes are single-phase, and that no longer holds solar inverters to 5kW. Three-phase suits homes with big loads: here's when upgrading makes sense for solar, EV charging, and batteries.

About 20% of Perth homes have three-phase power. Solar works differently on three-phase properties: here's what changes, when it's worth having, and what inverter options are available.

Perth solar quotes often describe panels as 'tier 1' as a quality marker. But 'tier 1' is a financing classification that says nothing about panel quality, reliability, or performance. Here's what the term actually means.

Most Perth homes have pitched tile or metal roofs that don't require tilt frames. But flat roofs, low-pitch colorbond roofs, and some orientations benefit from raised mounting. Here's when tilt frames make sense and what to expect.

TOPCon (n-type) panels degrade a little slower and run a little cooler than PERC (p-type) panels, which both help in Perth's heat. The gap is real but smaller than the marketing suggests. Here's what it means for your quote.

DEBS credits don't appear automatically: they depend on your smart meter being installed and Synergy activating the tariff. Here's how to check your credits are correct and what to do if something looks wrong.

Western Australia's solar export payment has fallen from 40 cents per kWh in 2010 to 2 cents per kWh in 2026. Understanding why it happened, and why it isn't coming back, helps Perth households size solar and battery correctly.

North-facing panels generate the most energy in Perth, but west-facing panels generate it when it's worth more. Here's how to decide between north, west, and east-west splits.

Many Perth suburbs are restricted to 1.5kW of solar export. Here's why export limits exist, how to find the limit for your address, what it means for system sizing, and how zero-export and export-limited systems work.

After your solar panels are installed and switched on, you're not yet earning DEBS export credits. The Western Power Network Connection Notice (NCN) process triggers smart meter installation and DEBS activation. Here's what to expect and the typical timeline.

Installing solar in Perth requires Western Power grid connection approval before your system can be commissioned. This guide explains what happens between signing a solar contract and system activation, typical approval timelines, and common reasons for delays.

After you accept a solar quote, there's a 6-14 week process before your system is fully connected and earning credits. Here's who does what, typical timelines, and what to chase if yours is running late.

Perth electricity customers often confuse Western Power and Synergy: they're separate companies with separate roles. Understanding which one does what is essential when dealing with solar connections, export limits, and billing queries.

Perth's winter brings shorter days and lower sun angles, reducing solar generation by 40–50% compared to summer peaks. This guide explains what a Perth solar system produces in winter, why the drop happens, how Midday Saver tariff interacts with winter solar, and how to plan for the low-output months.