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Government Backing vs. Rooftop Solar: Where Should Aussies Put Their Trust?

G’day, Solar-Savvy Aussies!


Thinking about where to put your trust—and perhaps your dollars—when it comes to powering your home sustainably? On one side, you've got government backing, with big bets on large-scale clean energy infrastructure. On the other, the grassroots wonder: rooftop solar systems in our own backyards. Both shine good things for Aussies—but which deserves your faith? Let’s break it down.


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1. The Big Picture: What Government Support Brings to the Table


Backing Major Infrastructure


  • The Capacity Investment Scheme (CIS) is supercharging Australia’s renewable capacity. With a 25% expansion, it's targeting up to 40 GW of new solar, wind, and storage projects by 2030—almost double the coal fleet’s size. The GuardianReuters

  • This kind of large-scale support, through underwriting investments, gives developers confidence to commit and get projects off the ground. The Daily TelegraphThe Guardian


Building the Backbone of Our Green Future


The Marinus Link project (Tasmania–Victoria interconnector) is fully funded—$3.8 billion pumping 750 MW power between states by 2030. It’s expected to cut power bills in Tasmania by $165/year and in Victoria by $78/year while creating 2,400 jobs.Herald Sun


Meanwhile, the Clean Energy Finance Corporation (CEFC) is backing innovation across the board, with $32 billion in investment power shaping energy systems, housing upgrades, and clean technologies.Wikipedia


2. Rooftop Solar: The Grassroots Power Player


A Homegrown Success Story


  • Rooftop solar is powering more of us than ever. With over 4 million installations and generating 12% of Australia’s electricity in 2024 alone—rooftop solar continues to lead the clean-energy transition.cleanenergycouncil.org.auNews.com.au


  • In South Australia, the uptake is even more impressive: 40% of households have solar, and every now and then, rooftops generate over 100% of local


Bill Savings and Untapped Potential


A UNSW study shows the potential rooftop solar could deliver $9.3 billion annually in household bill savings—especially if apartments, rentals, and social housing pull their weight.UNSW Sites


That translates to up to $1,300 saved per household each year, with sizeable carbon reductions over time.


3. So Which One Should Aussie Families Trust?

Government Backing


✔ Macro-scale strength—funding major projects that support entire grid stability and economy-wide decarbonisation. ✔ Risk-sharing model—projects backed by financial underwriting provide certainty for investors. – But: Projects can be slow to materialise, may involve foreign players, and sometimes bring community resistance.The Daily TelegraphThe Australian



✔ Immediate, tangible benefits—household-level control, reduced energy bills, and measurable emissions cuts. ✔ Rapid adoption—no planning red tape slowing down installations. – But: Access is uneven—renters, apartment dwellers, and tenants are often left behind.UNSW Sites


5. SA Energy: Your Smart Solar Ally


Here’s how SA Energy supports you in navigating both worlds:

 
 
 

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