100Up Off Grid Solar Logo Orange Wordmark
3-bedrooms
4-Person

Comfortable Family Living 3-Bedroom Off-Grid Kit

Designed for the whole family, every day of the year, including July.

100Up DesignedOff Grid Solar

Built around real family demand — three bedrooms, full occupancy, and the load that comes with it.

Systems designed for a Ballarat winter

Sized for real-world conditions

Recommendations based your property

Advice based on your family, home and the way you live

Off-grid Redundancy experience

Technical experience that goes beyond standard solar installs

Inverter & Batteries

The core of your off-grid system 
Storage, control, and resilience.

Solar Array

Panel layout and solar yield planning — sized for regional Victorian conditions.

Expansion + Accessories

EV charging, monitoring, backup integration, and future system growth.
Inverter Architecture

Growing Families Often Benefit From Energy Systems Designed to Expand Later

Family energy demand usually grows steadily as routines, occupancy, and appliance loads increase.
Sigenergy and Deye are both capable off-grid systems. The difference is how they're built and what that means long-term. 100up designs for both. We'll help you match the right system to how you actually live, and what makes sense for your budget now.

DEYE

A strong option for families with stable long-term usage expectations. System resilience and performance rely heavily on thoughtful configuration matched carefully to household behaviour.
100up's regional design experience means Deye systems perform as intended in Victorian conditions
Capable and reliable when correctly sized and configured for your site and usage
Right choice for homes with stable, predictable energy needs

SIGENERGY

Better suited to growing households expecting higher future demand, EV charging, or staged expansion. Independent battery modules improve flexibility and maintain operation during servicing events.
Modular by design.  Expand capacity or add EV charging without replacing components
Each unit operates independently, so a fault never takes down the whole system
Higher equipment cost, lower lifetime complexity
Solar Array Options

Growing Families Need Solar Systems That Can Handle Change Without Redesign

Family growth usually increases energy demand faster than most households initially expect.
Hover to see more

Jinko

High-output panels that perform best on roofs with clear, unobstructed sun exposure.

Aiko

Back-contact cell design that maintains more consistent output when part of the panel is shaded by trees, antennas, or nearby structures.
Expansion Options

Future Energy Needs Start With Smarter System Planning Today

Thinking about EV charging in a few years? We can design your system now to handle it, so you're not retrofitting later.
We'll help you plan for:
Solar Array Expansion
Electric Vehicle Charging
Capacity to run your home off grid on battery or your car in emergencies
Improving Redundancy 

Not sure which 3 Bedroom system is right for you?

That's exactly what we're here for. Tell us about your home, your site, and how you live - we'll recommend the system that fits.

Get in touch for your off grid solar consulation

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Suggested System Configuration

100Up Typically Recommends the following for a 3 Bedroom home in Regional Victoria
Occupancy Target
3
-4 People
Home
3 Bedrooms
Daily Demand Target
25kWh/day est
Inverter
16kW
Battery
31kWh
SOLAR Arrary
15kW
Modern off-grid home with rooftop solar array, battery storage and EV chargerModern off-grid home operating at night with solar, battery storage and EV charging

How We Design Your Growing Family Home

Three-bedroom homes often grow into their power requirements. Children get older, appliances multiply, and what feels sufficient today can quickly become restrictive. That’s why we design beyond immediate needs.

Understand Your Situation

We consider likely occupancy over the life of the property, not just the number of people living there today.
1

Design for Your Needs

Battery storage and solar production are matched to winter conditions, where system design is genuinely tested.
2

Match to the Right System

Battery storage and solar production are matched to winter conditions, where system design is genuinely tested.
3

Quote & Install Plan

You'll receive a detailed system design, installation plan, and a clear path from approval through to completion.
4
OFF GRID SOLAR FAQ's

YourOff Grid Questions Answered

Start with a phone call - if you have more questions about your Bedroom home

Yes — where the vehicle and charger support bidirectional (vehicle-to-home) operation.

A V2H charger lets the car battery feed the home during extended cloud, peak evening cooking load, or when the home bank is low — then recharge from solar when production returns.

Not every EV or charger supports this yet. Check vehicle spec and charger compatibility before assuming V2H.

On large 5-bed properties with events or extended family, an EV adds a meaningful second storage reserve beyond the home battery bank — worth planning into system design as the technology becomes more common.

Yes. Every 100UP system is sized for maximum occupancy — not just who’s living there today.

The 100UP Way: 5 kWh for the house, plus 5 kWh per person by bedroom capacity. A 4-bedroom install is engineered for up to eight people — heating, hot water, cooking, appliances running together.

That covers family visits, Airbnb guests, changing household size, and resale — a buyer isn’t inheriting a system that only worked for two people.

Full house, full load — that’s the scenario we design for.

If you might add an EV, more appliances, more people, or heavier heating/cooling in the next 3–5 years, plan expansion now — retrofitting an undersized platform costs more than sizing the infrastructure correctly upfront.

Prevention approach:

  • Modular inverter/battery platform (e.g. Sigenergy) that accepts add-on modules
  • Oversized solar array for future load
  • Battery sized for today, expandable tomorrow

Simpler only makes sense when usage is genuinely stable — no family change, no EV, no new heavy loads. Most households grow energy demand over time.

100UP’s default: plan for expansion. Lower cost now, fewer expensive regrets later.

Yes. Modern off-grid systems need little attention when the property is vacant. Solar keeps the battery topped up; the BMS balances cells — no manual wake-up routine.

Before you travel, check remote monitoring: state of charge, recent production, any alerts. You arrive knowing power is ready.

Unlike some legacy setups, there’s no awkward cold-start — depending on configuration, the system is already live or one switch away.

That’s why weekender and short-stay properties suit off-grid well — the system works between visits without babysitting.

Split solar from storage in the sizing decision.

  1. Oversize the solar array now — panels are relatively cheap; fill available roof and ground space
  2. Install a lean battery bank — size for current occupancy plus a modest buffer; batteries are the expensive layer
  3. Choose a modular platform — add battery modules later without replacing inverter infrastructure

Example: a 3-bed property might launch with 15 kW solar, 54 kWh storage, and 16 kW inverter capacity — then add battery modules when occupancy rises or EV charging lands. Solar and inverter headroom are already there.

You buy flexibility now without paying for kWh you don’t need yet.

100up Off Grid Solar Installed 

Regional Victorian Home Owners 100% Off Grid with properties just like yours
Target Property Profile

Energy Independence Optimision

Family home energy infrastrucure designed and built for the long term
3
-4 People
- 3-bedrooms
OccupanCY Target
~25kWh per day
Daily Demand Target
Full Occupancy Design for Long-Term Performance
We size for maximum bedroom capacity, not current usage, so your system supports future owners, growing families, and stronger resale value.
Redundancy Where Reliability Demands It
For larger or higher-risk properties, we can design dual or triple inverter redundancy to reduce single points of failure and keep critical loads running if one unit goes down.
Worst-Case Winter Solar Sizing 
We oversize arrays for dark Ballarat winter weeks, capturing enough energy in short sun windows to recover batteries fast.
Battery Autonomy for Consecutive Low-Sun Days
Every system includes roughly two days of battery reserve, so poor weather doesn’t force lifestyle cutbacks or generator dependence.
Target Profile

Energy Independence & Protection

Built to handle real-world energy demand with confidence. The is designed for reliable, long-term off-grid performance
100% OFF GRID
PRICE RANGE
$
48,400
to
56,400
after rebate
Pricing Subject to Site Inspection, Roof & Ground SURVEY
We Desgin, Supply & Install
A family home runs hard. If you need a system that handles real daily demand without compromise. Not too small, Never over-engineered, this is it.
100up will help you plan and pick the best system to match your needs - give us a call
Expand and Upgrade Ready
Remote Monitoring & Support
Complete System Documentation
Proven Components & Accredited Installers
Off‑grid systems designed by 100UP and installed by SAA‑accredited electricians using CEC‑approved products.
Modern off-grid home with rooftop solar array, battery storage and EV charger
10+ Years Precision Installation

Power your3 Bedroom off-grid,for every season.

Not sure what system fits your property?
Talk to us about your usage and energy plans.
Call us direct on 1300 489 152 or send a text to 0400 092 621 — real advice from real off-grid solar installers.
Local Ballarat Team ●  Active Installs  Across Victoria ● 30 Second Instant Match
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Off-grid solar systems designed for reliable, long-term energy independence.
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Supporting Ballarat and regional Victoria with reliable off-grid systems.
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