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10kW Solar and Battery System



A 10kW solar and battery system is an ideal solution for Australian households and small businesses with high energy consumption. This system size offers substantial energy production, leading to significant savings on electricity bills and increased energy independence.

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Energy Production and Savings for a 10kW Solar System

In Australia, a 10kW solar system can produce approximately 40 to 50 kilowatt-hours (kWh) of electricity per day, depending on factors like location, panel orientation, and sunlight availability.

This equates to around 14,600 to 18,250 kWh annually, which can cover a significant portion of a typical household’s or small business’s energy needs, leading to substantial savings on electricity bills.

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System Components for a 10kW Solar System

A typical 10kW solar and battery system includes:

Solar Panels: Approximately 27 to 28 panels, depending on individual panel wattage, installed to capture sunlight and convert it into electricity.

Inverter: A device that transforms the direct current (DC) produced by the panels into alternating current (AC) for household or business use.

Battery Storage: An appropriately sized battery, such as a 28 kWh capacity, allows storage of excess solar energy for use during nighttime or peak demand periods.

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Benefits of a 10kW Solar and Battery System

Cost Savings: By generating your own electricity, you can significantly reduce or even eliminate your electricity bills.

Energy Independence: With battery storage, you can utilise stored energy during peak times or outages, reducing reliance on the grid.

Environmental Impact: Lower your carbon footprint by using clean, renewable energy, contributing to a more sustainable future.

Government Incentives: Take advantage of available rebates and incentives to offset installation costs, enhancing the return on investment.

A modern home with a blue roof featuring multiple solar panel arrays across various roof sections, surrounded by trees and greenery.

Considerations for a 10kW System

Roof Space: A 10kW system requires sufficient roof space to accommodate the solar panels.

Energy Consumption: Assess your household’s or business’s energy usage to ensure a 10kW system aligns with your requirements.

Battery Compatibility: Pairing your system with an appropriately sized battery can maximize self-consumption and savings.

Better with a Battery: Take Control of Your Energy Future

In the past, batteries were a “nice-to-have” addition to solar systems. But today, they’re an absolute game-changer. With rising energy prices and growing uncertainty in the energy market, adding a battery to your solar system makes more sense than ever.



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Energy Independence

Don’t just generate energy—take full control of how and when you use it. With battery storage, you can store excess solar energy during the day and use it later—at night or during cloudy periods. Instead of exporting unused energy, you keep it for when it matters, giving you greater independence and control over your power.

Sungrow battery installed on the exterior wall of a modern home beside a landscaped backyard

Protection Against Rising Costs

Electricity prices are rising, and with growing volatility in the energy market, battery storage offers long-term protection against future costs. By using your stored solar energy during peak times—when grid power is most expensive—you can reduce your reliance on energy providers and avoid the impact of sharp price increases.

A Sungrow solar battery mounted on the exterior wall of a modern home at sunset.

Maximise Savings

Without a battery, excess solar energy is often sent back to the grid for a low feed-in tariff. But with a battery, you can store that energy and use it later, increasing your self-consumption and reducing how much electricity you need to buy. That means greater savings, improved energy efficiency, and better long-term value from your solar system.

A modern suburban home at night, fully lit during a blackout, with neighbouring houses in darkness.

Power When You Need It

Battery storage provides more than just savings—it offers reliable backup power when you need it most. Whether it’s during evening peak usage, unexpected outages, or grid disruptions, a battery can keep your home running. From lighting and refrigeration to essential appliances, battery storage adds a layer of security and peace of mind to your solar setup.

Why Solar Power Beats Solar Hot Water

When it comes to making the most of your roof space, traditional solar hot water systems fall short. While they only heat water, modern solar systems do much more—powering your home, charging a battery, and even exporting excess electricity to the grid for added savings.



Full Roof Utilisation

A solar hot water system uses your roof for just one task — heating water. A solar power system, however, powers your home, charges your battery, and heats your water. It maximises your roof’s value and gives you energy for more than just hot showers.

Greater Energy Efficiency

Solar hot water works for one thing. A full solar system works smarter — powering your home, heating your water, and storing energy. Add a timer switch and your panels can heat water when it’s cheapest to run, while still powering appliances throughout the day.

More Savings, More Versatility

A solar hot water system saves you money on heating, but that’s where it stops. A full solar system powers everything — reducing your total energy bill. Generate power, use it more efficiently, and save across your whole household, not just in the bathroom.

Battery Compatibility

With a solar system and battery, you can store energy to use at night or during outages — increasing your independence. Unlike a hot water system, solar plus battery gives you flexible, round-the-clock energy use, and puts more control in your hands.

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Is a 10kW System Right for You?

A 10kW solar and battery system is ideal for households or small businesses with high energy consumption, sufficient roof space, and a desire to achieve greater energy independence.

To determine if this system size meets your needs, consult with our energy experts for a personalised assessment. Contact us today to explore how a 10kW solar and battery system can benefit your home or business.

Call 1300 133 556 or email solarsales@nectr.com.au for a free consultation.