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18kW Solar and Battery System
An 18kW solar and battery system is a robust solution tailored for large Australian households or businesses with substantial energy demands. This system size offers significant energy production, leading to considerable savings on electricity bills and enhanced energy independence.
Energy Production and Savings for a 18kW Solar System
In Australia, an 18kW solar system can produce approximately 72 kilowatt-hours (kWh) of electricity per day, depending on factors such as location, panel orientation, and sunlight availability.
This equates to around 26,280 kWh annually, which can cover a substantial portion of a large household’s or business’s energy needs, leading to significant savings on electricity bills.
System Components for a 18kW Solar System
A typical 18kW solar and battery system includes:
Solar Panels: The number of panels required depends on their individual wattage. For instance, using 400W panels would necessitate approximately 45 panels to achieve 18kW.
Inverter: A device that converts the direct current (DC) produced by the panels into alternating current (AC) for household or business use.
Battery Storage: An appropriately sized battery allows storage of excess solar energy for use during nighttime or peak demand periods, enhancing energy independence and savings.
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Benefits of an 18kW 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.
Considerations for an 18kW System
Roof Space: An 18kW system requires sufficient roof space to accommodate the solar panels.
Energy Consumption: Assess your household’s or business’s energy usage to ensure an 18kW system aligns with your requirements.
Battery Compatibility: Pairing your system with an appropriately sized battery can maximise 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.
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.
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.
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.
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.
Is an 18kW System Right for You?
An 18kW solar and battery system is ideal for large households or 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 an 18kW solar and battery system can benefit your home or business.
Call 1300 133 556 or email solarsales@nectr.com.au for a free consultation.