Jos Aguiar
Solar Evangelist
Passionate about making solar simple and accessible for every Australian household. Jos breaks down complex energy topics into practical advice so homeowners can make confident decisions about solar, batteries, and energy independence.
Articles by Jos Aguiar(77 articles)
Best EV Electricity Plans Australia 2026: The Solar Owner\'s Guide
Compare every EV electricity plan available in Australia in 2026. Rates from 4.5c/kWh overnight. Plus the honest answer to whether you even need one if you already have solar.
16 April 2026
1KOMMA5° Battery Review Australia 2026: Heartbeat System Honest Assessment
An honest review of the 1KOMMA5° Heartbeat home energy system for Australian homeowners. Covers the AI energy management, pricing, inverter integration, and how it compares to Sungrow and Tesla.
13 April 2026
Balcony Solar Australia 2026: Plug-In Solar for Renters and Apartments
Balcony solar panels let renters and apartment residents generate their own electricity without a rooftop installation. This guide covers how plug-in solar works, what it costs, and the rules in Australia.
13 April 2026
BYD Battery Review Australia 2026: Battery-Box Premium HVS & HVM Honest Assessment
An honest review of BYD battery storage for Australian homeowners. Covers the Battery-Box Premium HVS and HVM series, LFP chemistry, modular sizing from 5.1 to 22.1kWh, and 2026 pricing.
13 April 2026
Can You Make Money from Solar in Australia? 2026 Guide
Solar earns money through bill savings, feed-in tariff revenue, VPP payments, and battery arbitrage. This guide explains each income stream, realistic return expectations, and what the tax rules say.
13 April 2026
Does Solar Increase Home Value in Australia? 2026 Guide
Research shows solar adds 3 to 4% to Australian home values on average. This guide covers what the data says, which systems add the most value, and what to document before selling.
13 April 2026
Fronius Reserva Battery Review Australia 2026: Honest Assessment
An honest review of the Fronius Reserva home battery for Australian homeowners. Covers compatibility, modular sizing, pricing, and how it compares to Sungrow and Tesla Powerwall.
13 April 2026
JA Solar Panels Review Australia 2026: DeepBlue 4.0 Pro Honest Assessment
An honest review of JA Solar panels for Australian homeowners in 2026. Covers the DeepBlue 4.0 Pro N-type range, efficiency ratings, 30-year performance warranty, Australian pricing, and how JA compares to Jinko and LONGi.
13 April 2026
Jinko Solar Panels Review Australia 2026: Tiger Neo Honest Assessment
An honest review of Jinko Solar panels for Australian homeowners in 2026. Covers the Tiger Neo N-type range, efficiency ratings, warranties, pricing, and how Jinko compares to LONGi and JA Solar.
13 April 2026
LONGi Solar Panels Review Australia 2026: Hi-MO 6 Honest Assessment
An honest review of LONGi Solar panels for Australian homeowners in 2026. Covers the Hi-MO 6 HPBC range, efficiency ratings, 30-year performance warranty, Australian pricing, and how LONGi compares to Jinko and JA Solar.
13 April 2026
Smart Meters and Solar in Australia 2026: What You Need to Know
A smart meter is required to receive feed-in tariff payments for solar in Australia. This guide explains what smart meters do, how they work with solar, who pays for one, and what to do if you do not have one yet.
13 April 2026
Solar Panels ACT 2026: Canberra Rebates, Battery Incentives & What to Know
Canberra\'s unique energy market, battery rebate scheme, Sustainable Household Scheme loans, and the honest solar financial case for ACT homeowners in 2026.
13 April 2026
Solar Panels on a Flat Roof Australia 2026: Mounting, Tilt and Output Guide
Solar works well on flat roofs when done correctly. Ballasted or penetrating mounts, tilt frames, east-west arrays, drainage considerations, and what to ask your installer. Full guide for Australian homeowners.
13 April 2026
Solar Panels for New Builds 2026: What to Specify (and What Builders Won\'t Tell You)
Getting solar on a new build is different from retrofitting. NCC 7-star energy ratings, builder package traps, what conduit to pre-install, EV rough-in, and why the timing of your solar decision matters for cost and quality.
13 April 2026
Solar Panels NT 2026: Darwin\'s Exceptional Solar Case (Zone 1, Fast Payback)
Darwin and the Northern Territory sit in Australia\'s highest STC zone, with up to 6.5 peak sun hours daily. The federal rebate is the largest in the country and payback can be under 4 years. Here\'s everything NT homeowners need to know.
13 April 2026
Solar Panels South Australia 2026: Rebates, Sizing & Why SA Has Australia\'s Best ROI
Everything SA homeowners need to know about solar in 2026. Federal STC rebate, Cheaper Home Batteries Program, SAPN export limits, REPS scheme, feed-in tariffs, and why South Australia has the fastest solar payback in the country.
13 April 2026
Solar Panels Tasmania 2026: Lower Sun Hours, Still Worth It?
Tasmania has the lowest solar irradiance of any Australian state, the smallest STC rebate, and a monopoly electricity market. Here\'s an honest look at whether solar makes financial sense in Hobart and beyond.
13 April 2026
Solar Panels Western Australia 2026: DEBS, Rebates & What Makes WA Different
Everything WA homeowners need to know about solar in 2026. Federal STC rebate, Cheaper Home Batteries Program, Distributed Energy Buyback Scheme (DEBS), Western Power export limits, and why WA\'s unique electricity market changes the solar strategy.
13 April 2026
What Size Solar Battery Do I Need? Australia 2026 Guide
How to work out the right home battery size for your solar system. Based on your nightly electricity usage, backup needs, and solar system size. Includes a quick sizing table for Australian households.
13 April 2026
What Size Solar System Do I Need? Australia 2026 Guide
How to work out the right solar system size for your home. Based on your electricity usage, roof space, and budget. Includes a quick sizing table for common Australian households.
13 April 2026
The Iran War Is Already Moving Solar Prices in Australia. Here Is How.
The Iran war started late March. The Houthis re-entered on March 28. Shipping routes are disrupted. Solar module prices are up 15 to 20% since. Here is what it means for Australian buyers.
7 April 2026
WA Solar Prices Are Going Up in April 2026. Here Is What Is Actually Happening.
China scrapped its solar export rebate on April 1. Silver is up 35%. Installer wait times are stretching. And new WA grid rules land May 1. Here is what it all means.
7 April 2026
AEMC Consumer Energy Dispatch Rule 2026: What It Means for Solar and Battery Owners
The AEMC passed a new dispatch rule for consumer energy resources starting November 2026. Here is what it means for rooftop solar, home batteries, and VPP earnings in plain English.
2 April 2026
Alpha ESS Battery Review Australia 2026: Honest Assessment
An honest review of the Alpha ESS battery for Australian homeowners. Covers the Smile T10, T5, pricing before and after the federal rebate, AC-coupling flexibility, and how it compares to Sungrow and Tesla.
2 April 2026
Battery Prices Rising in 2027 | China VAT Rebate Removal Explained
China is phasing out its VAT export rebate on batteries, with full removal expected 1 January 2027. That adds roughly 9% to battery import costs in Australia. Here is the timeline and what it means for buyers.
2 April 2026
Fox ESS Battery Review Australia 2026: EasyCube Honest Assessment
An honest review of the Fox ESS EasyCube battery for Australian homeowners. Covers pricing, modular design, high-voltage architecture, the Tsingshan supply chain advantage, and where the brand stands after just seven years.
2 April 2026
Fronius Solar Inverter Review Australia 2026: Primo, GEN24, and Symo Explained
An honest review of Fronius solar inverters for Australian homeowners. Covers the Primo, Primo GEN24 Plus, Symo GEN24 Plus, Solar.web monitoring, BYD battery pairing, pricing versus Sungrow, and who should pay the premium.
2 April 2026
GoodWe Battery and Inverter Review for Australian Homeowners (2026)
Honest review of GoodWe batteries and inverters for Australian homes. Lynx Home U series, GW-ET and GW-ES hybrid inverters, pricing after the federal rebate, warranty, and how GoodWe compares to Sungrow and Tesla.
2 April 2026
Sigenergy Battery Review: Is It Worth It for Australian Homes in 2026?
Independent Sigenergy battery review for Australian homeowners. We cover the SigenStor specs, pricing after the federal rebate, the ecosystem advantage, and honest trade-offs versus Sungrow and Tesla.
2 April 2026
Solar Battery Prices in Australia 2026: Complete Cost Guide
How much does a solar battery cost in Australia in 2026? Installed prices from $4,500 for 5kWh to $20,000+ for 20kWh. Brand-by-brand breakdown, federal rebate explained, and what actually moves the price.
2 April 2026
Solar Panels NSW 2026: Rebates, System Sizing, and What to Know Before You Buy
Everything NSW homeowners need to know about solar in 2026. Federal STC rebate, Cheaper Home Batteries Program, feed-in tariffs, Ausgrid and Endeavour export limits, and why high electricity prices make NSW one of the strongest solar markets in Australia.
2 April 2026
Solar Panels QLD 2026: Brisbane Solar, Rebates, Batteries, and the FiT Reality
Everything Queensland homeowners need to know about solar in 2026. Zone 2 STC rebate, Cheaper Home Batteries Program, feed-in tariff reality check, export limits, and why QLD is the best solar state in the country.
2 April 2026
Solar Panels Victoria 2026: Rebates, System Sizing, and What the Gas Ban Changes
Everything Victorian homeowners need to know about solar in 2026. Solar Homes rebate, federal STC, Cheaper Home Batteries Program, feed-in tariffs, export limits, and why the gas ban makes solar more compelling than ever.
2 April 2026
Sungrow Battery Review Australia 2026: SBR Series Honest Assessment
An honest review of the Sungrow SBR battery for Australian homeowners. Covers pricing, the 10,000-cycle warranty, modular design, inverter pairing, and where it sits in the market.
2 April 2026
Tesla Powerwall 3 Review Australia 2026: Is It Worth the Price?
An honest review of the Tesla Powerwall 3 for Australian homeowners. Specs, installed price, rebate savings, who it suits, and how it compares to cheaper alternatives.
2 April 2026
One in Three Australian Homes Has Solar | 40% Penetration Milestone
Australia has reached 4.3 million solar installations and 28.3 GW of rooftop capacity, with 40% household penetration — the highest rooftop solar adoption rate in the world. Here is how we got here and what it means for new buyers.
30 March 2026
Why Solar Panel Prices Are Rising in 2026 | China VAT Change Explained
China's VAT export rebate on solar panels expires 1 April 2026, adding 9–10% to costs in Australia. Silver is up 35%, polysilicon and glass are up too. Here is what is driving prices and what to do about it.
30 March 2026
Billions in Solar and Battery Projects Just Kicked Off Across Australia
From a $590M NSW transmission upgrade to 2,200 MWh of Victoria battery approvals, March 2026 saw a wave of solar infrastructure announcements across every state. Here is what is being built.
25 March 2026
CER Cracks Down on Battery Installs: New Photo Rules, AI Checks, and a Warning to Retailers
From 1 March 2026, the CER requires geotagged photos for every battery install. They are also warning retailers about deceptive battery sales ahead of the May tiering changes.
25 March 2026
New Solar Panels and Batteries Hitting Australia: March 2026 Product Roundup
Aiko 535-550W ABC panels, JinkoSolar Tiger Neo 3.0, Sungrow PowerKeeper for C&I, and AlphaESS subsidy-ready batteries. What just landed and when you can get it.
25 March 2026
Perovskite, Iron-Air, and Sodium-Ion: The Tech That Could Change Solar Forever
Perovskite solar cells hit 26.5% efficiency and are nearing production. Iron-air batteries store 100 hours. Sodium-ion costs 50% less than lithium. Here is where the technology is actually at.
25 March 2026
Three Solar Programs With Deadlines You Need to Know About (March 2026)
NSW SoAR apartment solar closing 30 March, QLD renters solar passing 250 applications, and the Solar Sharer offer launching July. What is available and when to act.
25 March 2026
How Much Does Solar Actually Save? The ACCC Numbers Nobody Is Talking About
ACCC data shows solar cuts electricity bills by 18%, solar + battery by 40%, and VPPs by 63%. We cross-referenced AER retailer data to find which energy plans actually deliver those savings.
28 February 2026
What Is the Clean Energy Council? CEC Approved Products and Accreditation
The Clean Energy Council (CEC) sets the standard for solar in Australia. Learn what CEC approved panels, inverters and batteries mean, how installer accreditation works, and why it matters for your rebate.
24 February 2026
Australia\'s Renewable Energy Target Explained: LRET, SRES and What It Means for You
The Renewable Energy Target (RET) is the legislation behind your solar rebate and Australia\'s shift to clean energy. Learn how the LRET and SRES work, what LGCs and STCs are, and why the scheme is winding down by 2030.
24 February 2026
What Is the SRES? How Small-Scale Technology Certificates Reduce Your Solar Cost
The Small-scale Renewable Energy Scheme (SRES) is the federal program behind your solar rebate. Learn how STCs work, how many you get, the deeming period countdown, zone ratings, and what it means for your 2026 quote.
24 February 2026
10kWh Solar Battery Price Australia 2026 | Installed Costs by Brand
How much does a 10kWh solar battery cost installed in Australia? We compare prices for Tesla Powerwall, BYD, Sungrow, GoodWe, and Enphase, plus rebates that reduce the cost.
23 February 2026
Solar and Battery Package Prices in Australia 2026: Full Breakdown
Compare solar and battery package prices across Australia in 2026. System sizes from 6.6kW to 13kW with batteries, state-by-state pricing, and what affects the cost.
23 February 2026
Battery Rebate Changes May 2026: New Tiered STC Structure Explained
From 1 May 2026, battery STCs switch to a tiered structure. First 14kWh at 100%, 14-28kWh at 60%, 28-50kWh at just 15%. What it means for your wallet, with worked examples.
22 February 2026
Queensland Just Switched on 1.7 GWh of Grid Batteries. Here\'s What It Means for You.
Tarong and Swanbank mega batteries are now live in Queensland, adding 550MW and 1.1 GWh of storage to the grid. What grid-scale batteries mean for home solar and battery owners.
22 February 2026
New WA Solar & Battery Rules from May 2026: What Perth Homeowners Need to Know
From 1 May 2026, WA solar and battery systems must meet new connection rules. Two export pathways, 30kVA standard connection, Emergency Solar Management explained. Existing systems not affected.
22 February 2026
Commercial Solar Rebates in Australia: Every Incentive for Businesses in 2026
Complete guide to commercial solar rebates in Australia for 2026. Federal STCs, state-by-state incentives (NSW, VIC, QLD, SA, WA), instant asset write-off, and how LGCs work for larger systems. Updated February 2026.
16 February 2026
Instant Asset Write-Off for Solar: Can Your Business Claim It in 2026?
Find out if your business can claim the instant asset write-off for solar panels in 2026. Covers the $20,000 threshold, eligibility rules, depreciation alternatives, and worked examples for commercial solar systems.
16 February 2026
Solar Panel Depreciation Rate ATO 2026 | Claim Guide With Worked Examples
ATO solar depreciation rates: 20-year effective life under TR 2022/1. Prime cost vs diminishing value worked examples, simplified pooling rules, and common audit triggers for business solar.
16 February 2026
Best Solar Batteries in Australia 2026: Independent Comparison
We compared the top 6 home batteries available in Australia in 2026. Tesla Powerwall 3, BYD, Sungrow, Enphase, Alpha ESS, and Huawei ranked by cost per kWh, warranty, and real-world value.
15 February 2026
Adding a Battery to Your Existing Solar System: The Complete Australian Guide
Already have solar panels? Learn how to add a battery the right way. AC vs DC coupling explained, hybrid inverter options, brand comparisons, and the one mistake that costs Aussie homeowners thousands.
1 February 2026
Australian Heat Is Killing Solar Batteries. Here\u2019s How to Protect Yours
Australian garages hit 50\u00B0C+ in summer, accelerating lithium-ion battery degradation. Learn the best installation locations, which batteries have active cooling, warranty fine print on temperature, and retrofit protection strategies.
1 February 2026
Battery Arbitrage in Australia: Buy Power at Negative Prices, Sell at Peak
Australian wholesale electricity prices go negative during the day and spike 200x by evening. Here\'s how home battery owners are exploiting that gap, on standard plans and spot-price retailers like Amber Electric.
1 February 2026
Adding a Battery to Existing Solar? Don\'t Make the Two-Kitchen Mistake
Why running two separate inverters is like having two kitchens in one house. How DC coupling into one hybrid inverter saves energy, simplifies your life, and what to ask your installer.
1 February 2026
Charging Your EV with Solar: The Complete Australian Guide
How much solar do you need to charge an electric car? Learn about smart charging, excess solar diversion, best EV chargers for solar, and cost savings vs grid charging.
1 February 2026
The Evening Peak Trap: Why Cheap Daytime Solar Isn\'t Fixing Your Power Bill
Solar made daytime electricity nearly free. But gas plants still set the price every evening, and that\'s where your bill blows out. Here\'s how Australia\'s 5-minute electricity auction works and why a home battery is the fastest escape.
1 February 2026
Feed-in Tariffs Are Dead. Here\'s What Smart Solar Owners Do Instead
Australian feed-in tariffs collapsed from 60c/kWh to 2-7c/kWh. Self-consumption now saves 5-10x more than exporting. Learn the strategies smart solar owners use in 2026: batteries, VPPs, load shifting, and more.
1 February 2026
14 GW of Grid Batteries Are Coming. Here\'s What That Means for Your Home Battery
Australia is building 14 GW of grid-scale batteries. Will they kill home battery ROI? We break down the data, the arbitrage window, and why buying now still makes sense.
1 February 2026
Heat Pump vs Solar Diverter: The Best Way to Heat Water with Solar
Heat pump or solar diverter? Compare costs ($3,000-$5,000 vs $800-$1,500), efficiency, rebates, noise and real-world results for Australian homes. Find out which option cuts your hot water bills the most.
1 February 2026
How to Choose the Right Solar Panels for Your Home
A complete Australian guide to choosing solar panels. Compare monocrystalline vs polycrystalline, understand efficiency ratings, warranties, and learn what to look for when comparing quotes.
1 February 2026
Microinverters vs String Inverters: Which Is Right for Your Roof?
An honest Australian comparison of microinverters vs string inverters. Covers Enphase vs Fronius, shading myths, hybrid inverters, costs, warranties, and when each type makes sense for your roof.
1 February 2026
Negative Electricity Prices in Australia, Explained (And How Your Battery Can Cash In)
Negative wholesale electricity prices don\'t mean free power. Here\'s what actually happens when spot prices go below zero, why coal plants pay to stay on, and how a home battery lets you profit from the chaos.
1 February 2026
QLD 44c Solar Bonus Scheme Ending July 2028 | What to Do Now
Queensland\'s 44c Solar Bonus Scheme expires July 1, 2028. Here\'s exactly what happens to your feed-in tariff, whether a battery makes sense, and how to avoid losing your 44c rate early.
1 February 2026
Are Solar Batteries Worth It in 2026? We Ran the Numbers
Honest breakdown of whether a home battery makes financial sense in Australia. Real payback calculations, the federal Cheaper Home Batteries rebate, VPP earnings, and when batteries DON\'T make sense.
1 February 2026
Solar Panel Bird Proofing Australia | $350–$700 to Save Thousands
Birds nesting under your solar panels? Droppings cut output by up to 30%, void warranties, and cost thousands in repairs. Here\'s exactly how to stop them, and what it should cost.
1 February 2026
Solar EV Charging: Daytime Solar vs Off-Peak Night Rates
Should you charge your EV during the day with solar or at night on off-peak rates? Real data shows daytime solar charging saves 3-5x more. Self-consumption maths, smart charger tips, and the ultimate solar + EV + battery combo for Australian households.
1 February 2026
How to Size Your Solar System for EV Charging
How much extra solar do you need to charge an EV? The maths: 8 kWh/day charging demand, 2-3 kW extra panels, system size recommendations from 6.6 kW to 13 kW+, smart chargers, export limits, and the solar + battery + EV combo explained for Australian households.
1 February 2026
Solar Sharer Starts July 2026. Here\'s Why Solar Owners Should Ignore It.
The government\'s Solar Sharer Offer gives 3 hours of free electricity. But if you already have solar panels, you\'re generating free power during that exact window. Here\'s why it might not help you.
1 February 2026
Solar Rebate Ending 2031: STC Phase-Out Schedule Year by Year
The federal solar rebate (STCs) drops every year and ends in 2031. See year-by-year rebate values for a 6.6kW system, deeming period schedule, state rebates still available, and whether to act now or wait.
1 February 2026
VPP vs Feed-in Tariff: Why Your Battery Earns 5x More Than Exporting
Virtual Power Plants pay 15-25c/kWh during grid events vs 3-8c from standard feed-in tariffs. Compare VPP earnings vs FIT rates, see real numbers, and decide which is better for your solar battery.
1 February 2026
When to Add a Battery to Your Existing Solar (And How Not to Stuff It Up)
Already have solar panels? Here\'s when it makes sense to add a battery, how AC vs DC coupling works, the ecosystem trap to avoid, and what retrofitting actually costs in Australia.
1 February 2026
Why Your Power Bill Is Still High Even Though Solar Made Electricity Dirt Cheap
Daytime wholesale electricity is nearly free in Australia thanks to solar. So why is your bill still climbing? Here\'s how the NEM actually works, who profits, and what you can do about it.
1 February 2026