General
100up Off Grid Systems
Learn More about Solar
Off Grid solar, Design, Installations and Ownership.
Based in Ballarat, Fred and the team design and install off-grid solar systems across regional Victoria.
Off-Grid Components
Off-Grid Solar System Problems: Faults, Diagnostics & Maintenance
Generators
Generator-Less Off-Grid Solar: What It Actually Means
Generator-less doesn’t mean there’s no generator. It means the off-grid solar and battery system is designed so normal life doesn’t depend on one.
System Sizing
Off-Grid Solar System Sizing Calculator
100up makes Off-Grid Solar Sizing Simple Use Instant and Simple Off-Grid Solar Sizing Calculator – its based on Aussie averages and over 10 years of Off Grid Solar Installation Experience. It’s the perfect starting point to help point you in the right direction. How to Use Our Off-Grid Solar C...
System Design
Off-Grid Solar: Our System Design Principles
We design off-grid solar systems around real household demand, Ballarat winter conditions, redundancy, and long-term property value, not just best-case weather.
Batteries
Solar batteries are taking off in Australia
If you’ve been thinking about a home battery, you’re not alone. The Clean Energy Regulator (CER) just reported another big jump in installs — and there’s a clear shift to larger, more capable systems that move the needle on bills and backup. The quick take Context: Batteries became SRES-eligible on ...
Inverters
Sigenergy Sigen Gateway = Switchboard (Certified)
The Sigenergy Sigen Gateway is certified to EN IEC 61439-2 (with -1) as a power switchgear & controlgear assembly (switchboard). AU variants (e.g. Home TP AU, C60-2 AU) are listed with Form 1 and IP54, with models suitable up to ~100 A. For Australia (off-grid solar energy & hybrids): Ideal ...
System Design
Big Mistakes in Off-Grid Solar Design: Don’t Turn a Dream Property Into a Power Nightmare
People from the cities move onto big properties with off-grid solar and often prioritise the house, fittings, shed, and garden—leaving the off-grid solar system to last. They don’t realise how quickly a dream home turns into a nightmare when the power runs out. Generators in winter? Painful in pract...
Solar Panels
LONGi’s New Lightweight Solar Panel for Rooftop Solar
LONGi has just released a new solar panel designed for buildings where weight is a concern. The new Hi-MO X10 “Light Design” panel offers high performance in a lighter format—perfect for older sheds, commercial rooftops, or anywhere structural limits have ruled out solar. Same Power, Less Weight Thi...
System Design
How Long Before the $2.3B Runs Dry?
Strong Solar Battery Uptake in the First Month of New Rebate Program The Clean Energy Regulator’s Cheaper Home Batteries Program, launched on 1 July 2025, is delivering an early surge in demand. According to the latest figures: This uptake aligns closely with your earlier estimate of about 19,000 in...
Rebates & Incentives
Eligibility Criteria for Off-Grid Battery Systems
The Cheaper Home Batteries Program, launched by the Australian Government on 1 July 2025, offers substantial rebates for battery installations—including off-grid systems. Here’s what you need to know if you’re installing an off-grid battery system and want to claim the rebate. 🔋 Is an Off-Grid Syste...
Solar Panels
New High-Efficiency Panels: A Boost for Off-Grid Systems
24.5% to 25% solar module efficiency
Pricing & Costs
Australia’s 10kW Off-Grid Solar: Pricing Insights
The price for 10kW off-grid solar systems typically falls between $25,000 and $35,000.
Pricing & Costs
10kW off grid solar system cost
10kW off-grid solar system or stand-alone solar system can cost from $25,000 to $35,000 depending on the type of off-grid solar equipment and the complexity of the installation site. Most domestic installations always fit into this price range. In some cases, the cost of a 10kW solar power system ca...
Industry & Standards
CEC Accreditation, Approved Products, and Solar Retailer Approval: What They Actually Mean
Let’s be clear from the start:When you see terms like CEC Accredited Installer, CEC Approved Product, or NET Approved Seller (previously “CEC Approved Retailer”), they may sound impressive — but none of them are indicators of quality. These labels are about basic legal compliance, not performance, n...
Climate & Location Design
Off-Grid Solar Systems Ballarat
Ballarat presents a challenge for off-grid solar power supply, especially in winter when avoiding generator use is desired. While it’s tough, it’s achievable with the right approach.
System Components
Do I Need to Upgrade Wiring When Adding a Battery to My Off-Grid Solar System?
With battery rebates and storage options improving, many off-grid homeowners in Australia are looking to add batteries to their solar systems. But one big question comes up often: If I retrofit a battery into my existing off-grid solar system, do I need to upgrade all the solar wiring to today’s sta...
Rebates & Incentives
Solar Program Efficiency: How Solar Victoria Compares Globally
Looking at these numbers, it’s no wonder the U.S. had to set up a whole agency just to chase government waste. If this trend continues, Australia might need one too. This chart compares how funds are allocated between public rebates and operating costs across different solar and energy programs: Und...
Rebates & Incentives
Global Residential Solar and Battery Incentives Including Off-Grid Systems
Across the world, governments are encouraging households to install solar panels, battery storage, and in some cases, go fully off-grid. Here’s a detailed look at current rebates, incentives, and programs you’ll find around the world in 2025. Australia Australia leads with strong national and ...
"Fred was very knowledgeable. The new technology is amazing, glad I invested and upgraded my old system."
Sandi Waterhouse
5kW Off Grid System Upgrade
"Off Grid installation. He and his team did an amazing job. Very knowledgeable man with a wealth of experience. I would definitely recommend him."
Scott Chivers
20kW Off Grid Solar EV Installation Ballarat Victoria
"Modern system that could be easily upgraded. Within a week had the system installed and running flawlessly. Two system upgrades done quickly integrating seamlessly."
Simon Jolly
3kW Sigenergy Off Grid EV Charger Solar carport
10+ Years - 100% Off Grid In Victoria
Plan yourOff GridEnergy
Get real advice from real off-grid solar design technicians. Call Fred direct on 1300 489 152 or send a text to 0400 092 621
Avaiable Vic Wide
Worse Case Winter Sizing
Generator-less Design
