Greenlight Energy Solutions

  It is the question every homeowner asks, and it is the one most likely to get a vague answer. Bigger is not automatically better. A battery that sits half charged every night is money parked on your wall doing nothing, and an undersized one leaves you buying grid power at peak rates. The right size is the one that matches how your household actually uses electricity after the sun goes down. Here is how to work it out, what 10 kWh, 13 kWh, and 20 kWh each realistically cover, and why the changed 2026 rebate nudges most homes toward a particular size. Start with your overnight usage, not your total usage Your daily electricity use is not the number that matters. During the day, your solar panels are running the house directly. A battery only earns its keep from late afternoon through to the next morning, so the figure to find is how much power you use once solar stops producing. You can pull this from your electricity bill or your meter data. Most Australian homes use roughly 40 to...

  Rouse Hill and Kellyville are not your average Sydney suburbs when it comes to power bills. The homes out here are large, mostly newer, and packed with the things that drive electricity use: ducted air conditioning, pools, big kitchens, home offices, and increasingly an EV in the garage. Summers in the Hills District get hot, and the air con runs hard through the evening, which is exactly when grid power is most expensive. That combination makes this one of the best parts of Sydney for solar and battery. Get the setup right and you can run most of that evening load off your own stored sunshine instead of buying it back at peak rates. Here is what a well matched system looks like for a typical home in these suburbs. Why these suburbs suit solar so well A few things about Rouse Hill and Kellyville homes push the numbers in favour of a solid system. The rooftops are generous. Newer detached homes here tend to have large, unshaded roof areas, often with sections facing several direct...

  If you have been quoted on a home battery this year, chances are one of these three names came up: Sigenergy, Tesla, or Sungrow. They sit at the top of most Australian shortlists in 2026, and for good reason. All three use safe lithium iron phosphate (LFP) chemistry, all three carry a 10 year warranty, and all three work well in our climate. The catch is that they are built around very different ideas about what a battery should do, so the right pick depends far more on your home than on any “best battery” ranking. Here is a plain look at how the three stack up, and how the changed federal rebate should shape your decision. The short version Tesla Powerwall 3 is the polished, do it once option. Fixed 13.5 kWh, strong power output, excellent app, and easy to bolt onto an existing solar system. Sigenergy SigenStor is the flexible, future ready option. Modular, expandable, and the standout choice if you drive an EV or want to add one. Sungrow SBR and SBH are the value option. Mod...