10kW Solar System with Battery Price in Australia: Cost, Benefits & Savings

Introduction

As electricity prices continue to rise, more Australian homeowners and businesses are turning to solar energy solutions. A 10kW solar system with battery storage offers a powerful way to generate and store renewable energy, reducing reliance on the grid and cutting electricity bills. But how much does a 10kW solar system with battery cost in Australia? This guide explores the pricing, benefits, and key factors to consider before making the switch.

How Much Does a 10kW Solar System with Battery Cost in Australia?

The cost of a 10kW solar system with battery storage in Australia varies based on several factors, including the quality of solar panels, the type of inverter, the battery capacity, and installation fees.

Here’s a general pricing breakdown:

• 10kW Solar System Only: $9,000 — $15,000
• 10kW Solar System with Battery Storage: $18,000 — $30,000

Factors Affecting the Price:

1. Solar Panel Brand & Efficiency — Premium brands like SunPower or LG cost more than budget options.
2. Battery Storage Capacity — A 10kWh battery costs around $8,000 — $12,000, while a 13.5kWh Tesla Powerwall is around $13,000 — $16,000.
3. Inverter Type — Hybrid inverters cost more than standard ones.
4. Installation Costs — Prices may vary based on the installer, location, and complexity of the job.
5. Government Rebates & Incentives — The Small-scale Renewable Energy Scheme (SRES) reduces upfront costs through STCs (Small-scale Technology Certificates).

Is a 10kW Solar System with Battery Right for You?

A 10kW solar system with battery storage is ideal for households with high energy consumption or small businesses aiming for energy independence. Here’s what you need to consider:

1. Energy Consumption

A 10kW solar system generates around 35–45kWh per day, depending on sunlight conditions. This is suitable for homes using 30–40kWh per day, typically with large appliances like air conditioners, pool pumps, and electric vehicles.

2. Battery Storage Needs

Adding a 10kWh — 13.5kWh battery allows you to store excess solar energy for night-time use. If your goal is full off-grid living, you may require multiple batteries.

3. Roof Space

A 10kW system requires about 50–60m² of roof space for 24–28 solar panels (depending on panel efficiency).

4. Feed-in Tariffs vs. Self-Consumption

• If you don’t have a battery, excess solar energy is exported to the grid at feed-in tariff rates (around 5–12 cents per kWh).
• With a battery, you store and use excess power, reducing grid reliance and saving more.

Benefits of a 10kW Solar System with Battery

1. Significant Savings on Electricity Bills

With solar and battery storage, you can cut your electricity bills by up to 80–90%.

Example Savings Breakdown:

• Average Daily Usage: 40kWh
• Solar Power Generated: 40kWh
• Battery Storage for Night Use: 10–13.5kWh
• Grid Usage: Minimal to none
• Annual Savings: $2,500 — $4,000 (varies by state & energy rates)

2. Energy Independence & Backup Power

• With battery storage, you reduce dependence on the grid.
• Some batteries provide backup power during blackouts.

3. Reduce Carbon Footprint

A 10kW solar system offsets around 15–18 tonnes of CO2 annually, making a significant impact on sustainability.

4. Increased Property Value

Homes with solar and battery storage sell faster and at higher prices, as buyers value lower energy costs.

Best Solar Battery Options for a 10kW System in Australia

1. Tesla Powerwall 2 (13.5kWh) — $13,000 — $16,000
2. LG Chem RESU 10 (9.8kWh) — $8,000 — $10,000
3. Sungrow SBR (9.6kWh — 25.6kWh) — $8,000 — $12,000
4. BYD Battery Box Premium (10.2kWh — 22.1kWh) — $8,500 — $11,500

Government Rebates & Incentives for Solar and Battery in Australia

The Australian Government offers incentives to reduce the cost of solar and battery storage:

• Small-scale Renewable Energy Scheme (SRES) — Provides STCs (Small-scale Technology Certificates) that reduce upfront costs.
• State-Specific Battery Rebates:
• Victoria: Solar Battery Rebate (up to $3,500)
• South Australia: Home Battery Scheme (up to $2,000 rebate)
• New South Wales: Interest-free battery loans under the Empowering Homes Program

ROI & Payback Period for a 10kW Solar System with Battery

The payback period depends on factors like system cost, energy savings, and incentives. Generally:

• Without Battery: 3–5 years
• With Battery: 7–10 years

However, with rising electricity rates, a battery can become profitable faster.

Choosing the Right Solar Installer in Australia

To get the best 10kW solar system with battery price in Australia, consider these factors:

• Accreditation — Choose a CEC-accredited solar installer.
• Reputation — Check customer reviews & testimonials.
• Warranty — Look for at least 25 years on panels, 10 years on batteries & inverters.
• After-Sales Support — Ensure ongoing monitoring & maintenance options.

Conclusion: Is a 10kW Solar System with Battery Worth It?

A 10kW solar system with battery storage is a smart investment for Australian homeowners and businesses looking to cut energy costs, gain energy independence, and reduce carbon emissions. While the upfront cost can be high, rebates, feed-in tariffs, and long-term savings make it a financially sound decision.

Get a Quote Today!

If you’re considering a 10kW solar system with battery storage, get multiple quotes from reputable solar installers to compare pricing and incentives available in your area.

Related Post: 10kW Solar Battery Price Sydney — The Best Energy Solution