Case Study: 20 kW Battery with 5 kW Solar Inverter Installed in Southern River

Quick Summary
In the Southern River area, Hassan was looking for a compatible inverter-and-battery solution for his existing solar panels. He contacted us via our inquiry form and shared their energy requirements and energy plans. Our solar experts first assessed his energy requirements, then recommended a 20 kW solar battery with a 5 kW solar inverter, both compatible with his solar panels.
Solar System Details
System | Details |
System Size | 20kW |
Inverter | 5kW Growatt Inverter |
Battery | 20kW Growatt Battery |
Location | Southern River |
Installation Type | Residential |
Property Type | Single Storey |
Electricity Phase | Single Phase |
System Type | On-grid |
Estimated annual savings | $3,800 |
Workmanship warranty | 10 years |
System warranty | 10 years |
Customer Goal
Hassan wants a system that runs their home without dependence on the grid. Now he has a perfect solar system that actually meets his home's energy needs. Our customer not only wants to save money on the grid but is also concerned about the environmental impact of fossil fuel use. He was an environmentally conscious person who wanted to reduce his carbon footprint by using sustainable energy.
The Challenge
For our Hassan customers, we face a few challenges with the existing solar panels, but Hassan is very supportive and has given our team full permission to inspect them. Our team installs the inverter and battery at the customer's home and briefly explains each step. He was satisfied with our support and services.
Our Solution
The 20 kW solar battery solution helps this customer save more money on electricity bills by storing energy in the battery and using it at night, reducing dependence on the grid. The 20 kW solar battery helps you to save approx. $52,500, which depends on the customer's energy usage. As a solar installer, we install 30+ solar systems in Southern River.
Installation process
Inquiry: Hassan contacted Solar 365 through our online platform to enquire about installing a solar battery for his home. He wanted a reliable solution to reduce his electricity costs while maximizing his property's solar potential.
Solar 365 Contacted Hassan: After receiving Hassan'inquiryry, our team discussed his energy goals and gathered key property details, including his residential address, roof type, number of stories, and electricity supply. This information helped us recommend a solar system that best suited his home.
Customer Needs: Hassan was looking for a solar battery to significantly reduce his electricity bill, store excess solar energy for nighttime use, and reduce his home's dependence on the grid. He also wanted a system that offered long-term value and reliable performance.
Site Inspection: Once we understood Hassan's requirements, our team carried out a detailed site inspection and confirmed that an 18kWh Growatt battery and a 5kW solar inverter were the ideal solution for his property.
Approvals: As a Clean Energy Council (CEC)- authorized solar company, Solar 365 managed all the required paperwork on Hassan's behalf. We obtained the necessary Western Power approvals and completed the required documentation to ensure the installation complied with all applicable regulations and network requirements.
Installation: After all approvals were received, our experienced in-house installers and licensed electricians completed the installation with careful planning and attention to detail. Every component was installed safely, the equipment was neatly arranged, and the worksite was left clean and tidy after the installation.
Ongoing Support: Our commitment didn't end once the installation was finished. Solar 365 continued to provide ongoing customer support whenever Hassan needed assistance. Our team remained available to answer questions, monitor system performance, and provide prompt after-sales service whenever required.
Enjoy Your Free Solar Power: Hassan can now generate clean solar energy, reduce his electricity bills, store excess power in his Growatt battery, and export eligible surplus electricity to the grid. His new solar system provides long-term savings while supporting a more sustainable lifestyle.
System Performance
The 18.4kW solar system helps Hassan generate a significant amount of clean energy, reducing his reliance on grid electricity. Combined with the 20kWh Growatt battery, excess solar power generated during the day is stored and used at night, increasing energy independence.
The 5kW grid-connected inverter allows eligible surplus electricity to be exported to the grid, enabling Hassan to receive a solar feed-in tariff. The system is expected to save $350–$480 per month on electricity bills while reducing carbon emissions and delivering reliable, long-term energy savings.
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