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100up Off Grid Systems
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Off Grid solar, Design, Installations and Ownership.
Based in Ballarat, Fred and the team design and install off-grid solar systems across regional Victoria.
Batteries
Brands & Manufacturers
Climate & Location Design
Energy Management
Generators
Industry & Standards
Inverters
Monitoring & Maintenance
Pricing & Costs
Property Value
Rebates & Incentives
Redundancy & Reliability
ROI & Financial Modelling
Scalability & Upgrades
Solar Efficiency & Data
Solar Panels
System Components
System Design
System Mounting & Installation
System Sizing
General
Generator-Less Off-Grid Solar: What It Actually Means

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...

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 ...

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...

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

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 ...

Energy Management
Smarter Off-Grid Solar for Australia: Why Partial Battery Backup Makes the Most Sense
Thinking about ditching the power companies for good?Going off-grid with solar is a brilliant move — but only if you set it up smart. The best way these days? Partial battery backup.Saves you a bucketload of cash, keeps you running almost all the time, and leaves room to grow later if you need. Let’...

Rebates & Incentives
Off-Grid Solar Battery Rebate? Yep – Under Labor’s New Plan, You’re Finally Included
If you’re running an off-grid solar setup, you’ve probably missed out on just about every battery rebate program that’s ever come out. State schemes like the one in SA or VIC? Grid-only. Virtual Power Plants? Can’t join ‘em. But that’s about to change. The Australian Labor Party has announced a fede...

Brands & Manufacturers
Who’s Behind the World’s Lithium Batteries?
Ever wondered who actually makes the lithium batteries that power your solar setup, EV or storage system? Here’s a quick look at the biggest players in the battery world right now — especially the ones making waves in off-grid systems across Australia. 🇨🇳 China’s Battery Giants China dominates this ...

Rebates & Incentives
Labor’s 2025 Battery Rebate: What We Know So Far (And What’s Still Unclear)
As of now, the Cheaper Home Batteries Program does not explicitly state whether off-grid systems are eligible for the rebate. The program is designed to reduce the cost of installing home battery systems by 30%, starting from 1 July 2025, contingent upon Labor’s re-election in the upcoming fed...

Brands & Manufacturers
Off-Grid Solar in the EU: Key Players, Products & Trends (2023–2025)
Off-grid solar systems – those capable of operating independently from the public grid – are gaining traction across Europe as homeowners and businesses seek energy independence and backup power resilience. High energy prices and occasional grid instability have spurred interest in solar-plus-batter...

Brands & Manufacturers
Off-Grid Solar Inverter and Battery Brands in Europe
Introduction Off-grid solar energy systems – those not connected to the utility grid – rely on inverters and batteries to supply continuous power. In Europe, where grid access is widespread, fully off-grid installations are relatively niche (often limited to remote sites, alpine cabins, islands, or ...
10+ Years - 100% Off Grid In Victoria
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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
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Generator-less Design



