Compare Solar Panel Quotes Now

Get Special Offer On 7kW Solar System

Get Special Offer On 7kW Solar System

1 Cartoon Showing 2 Solar panels

Tell Us Your Power Demand
Your Quarterly Power Bill

Cartoon beside a solar home

Fee Roof Design

By Our Experts

 

Solar cartoon seeing a solar quote

Up to 4 Different Solar Quote
Choose as you like

Cartoon show the best Solar

 Fix a Date
We are coming to Install

The Ultimate Guide to a 7kW Solar System in Australia: Price, Electricity Production, and Roof Space Requirements

As renewable energy becomes a priority for households across Australia, a 7kW solar system stands out as an ideal choice for medium to large families. In this article, we explore the price of a 7kW solar system in Australia, the amount of electricity it can produce, and the roof space required to install it.

How Much Does a 7kW Solar System Cost in Australia?

The price of a 7kW solar system in Sydney, Australia varies based on factors like the brand of solar panels and inverters, installation quality, and government incentives. On average, you can expect to pay between $3,000 and $5,000 for a fully installed system. Prices might differ slightly between states due to varying government rebates and local installer rates.

Here’s a breakdown of what influences the cost:

  1. Solar Panel Brand and Quality: Premium brands like LG and SunPower come at a higher price but offer better performance and longer warranties.
  2. Inverter Choice: High-efficiency inverters like Fronius or SMA add to the cost.
  3. Installation Complexity: Roof angle, height, and accessibility can impact installation costs.

Government Rebates: Australia’s Small-scale Renewable Energy Scheme (SRES) can significantly reduce the upfront cost.

Electricity Production of a 7kW Solar System

A 7kW solar system can produce approximately 25-30 kWh (kilowatt-hours) of electricity per day, depending on factors such as:

  1. Location: Solar output is highest in sunny regions like Queensland and Western Australia.
  2. Season: Solar panels generate more electricity during longer, sunnier days in summer.
  3. Orientation and Tilt: Panels facing north with the correct tilt angle will maximize energy production.

This output is sufficient to cover the daily electricity needs of a medium to large household, including energy-intensive appliances like air conditioners, washing machines, and refrigerators. Surplus energy can be exported to the grid, potentially earning feed-in tariffs.

Roof Space Requirements for a 7kW Solar System

Installing a 7kW solar system requires adequate roof space. On average, a system of this size needs around 35-40 square meters of roof area. This estimate is based on using 20-22 panels, each with a standard size of about 1.7m x 1m.

Key Factors to Consider for Roof Space

  • Shading: Ensure your roof is free from obstructions like trees or neighboring buildings that could cast shadows on the panels.
  • Roof Material: The installer may need to assess whether your roof material (e.g., tile, metal) supports solar panel installation.
  • Structural Integrity: Older roofs might require reinforcement before installation.

Is a 7kW Solar System Right for You?

A 7kW solar system is ideal for households with daily electricity consumption between 25-30 kWh, particularly those looking to offset their energy bills and reduce their carbon footprint. This system can also provide a cost-effective solution for businesses with moderate energy needs.

Maximizing the Benefits of a 7kW Solar System

To make the most of your solar investment, consider:

  • Battery Storage: Adding a battery like the Tesla Powerwall can help store excess energy for nighttime use.
  • Energy Monitoring: Use monitoring apps to track energy production and consumption.

Feed-In Tariffs: Research feed-in tariffs offered by your energy provider to earn credits for surplus electricity.

Final Thoughts

A 7kW solar system is a powerful and efficient choice for Australian households and businesses looking to embrace renewable energy. With competitive pricing, significant electricity production, and manageable roof space requirements, it offers an excellent balance of performance and affordability.

If you’re considering installing a 7kW solar system, consult with a certified solar installer to determine the best setup for your property. Harness the power of the sun and take a step towards a sustainable future!