Megawatt Journal
Insights & guides
Practical notes on solar, battery storage and smart energy — written by the team that designs and installs the systems.
How to size a home battery without overspending
Bigger is not always better. The right battery capacity comes from your evening routine, your tariff, and what you want during an outage — not from a
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Blackout backup, explained simply
What actually happens in the half-second after the street goes dark — and why the quality of your inverter decides whether you notice at all.
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LiFePO₄: the chemistry behind a safer battery
Cobalt-free lithium iron phosphate has become the default for home storage. Here is what the chemistry actually buys you.
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N-type TOPCon vs back-contact: choosing your panel
Two premium panel architectures dominate Australian roofs right now. They solve the same problem from opposite directions — here is how to pick.
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What Brisbane sun does for your solar year
Brisbane clocks some of the best solar weather in the country. A season-by-season look at what your roof actually harvests.
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Charging an EV with your own sunshine
The cheapest kilometre you will ever drive is the one your roof paid for. How to pair solar, storage and an EV charger sensibly.
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