About DERSA.

DER Services Australia PTY LTD was established in 2013 under the name Bede Electrical Services. Back then we were providing domestic electrical services but since Bede Electrical Services was put on pause in 2017 we have come back with a new name and a new mission.

Our mission is to deliver Operation and Maintenance excellence to the Western Australian community by expertly installing, maintaining, servicing and operating generation, storage and control system assets. We are dedicated to optimizing the value our clients derive from their investments through exceptional service, innovative solutions, and a commitment to excellence. Our goal is to build lasting relationships based on trust, reliability, and superior performance, together, with the community, in unison.

Capabilities.

At DERSA, we are committed to delivering exceptional solutions across the renewable energy and electrical industry. Our expertise spans comprehensive Operations & Maintenance (O&M) Support, ensuring reliability and efficiency for our clients' critical infrastructure. We provide After-Sales Warranty Support, offering peace of mind through responsive service and commitment to product longevity.

As a trusted partner, DERSA excels in Manufacturer Technical Support, bridging the gap between technology and practical implementation with deep industry knowledge. Our Consulting, advocacy and Advisory Services empower businesses and end users to optimize performance, reduce risks, and navigate complex energy challenges with confidence.

Additionally, we specialize in Bespoke Power System Designs, crafting tailored solutions that meet the unique demands of each project, integrating innovation and sustainability to drive superior outcomes.

With a focus on excellence, reliability, and client satisfaction, DERSA stands ready to support your power system needs with industry-leading expertise and unwavering dedication.

O&M Support.

DER Services Australia (DERSA) provides a robust suite of operations and maintenance (O&M) services tailored to enhance the performance and longevity of distributed energy resources (DERs). Our expertise spans proactive monitoring and real-time diagnostics, allowing DERSA to detect inefficiencies and optimize system output before issues arise. Through scheduled maintenance and predictive analytics, DERSA minimizes downtime and ensures assets operate at peak efficiency. Our rapid fault response service helps businesses quickly resolve technical disruptions, reducing financial losses and maintaining operational stability. Additionally, DERSA excels in asset management, ensuring compliance with industry standards while maximizing return on investment for clients. By integrating these services, DERSA enables businesses, communities and homeowners to achieve reliable, cost-effective, and sustainable energy solutions. 

Unison Energy

DER Services Australia Pty Ltd (DERSA) is a registered company committed to delivering industry-leading professional services and electrical contracting solutions under the Unison Energy brand. This dual approach allows us to specialize separately in electrical contracting while maintaining our strong foundation in consulting and advisory services.

Under Unison Energy, we provide expert residential and commercial electrical contracting, encompassing:

- Solar and Battery Maintenance & Operations – ensuring peak efficiency and longevity of energy systems.

- Solar and Battery Installations – delivering high-quality solutions tailored to both residential and commercial customer energy needs.

-Heat Pumps and EV Chargers - Smarter, more efficient installations for your home.

- General Electrical Works – offering comprehensive electrical services with precision and reliability.