About Us

Southern Energy and Mining Services (SEMS) is a dynamic and innovative company delivering high-quality, cost-effective electrical and air conditioning solutions across regional Western Australia. Serving Holt Rock, Varley, Mount Madden, Lake King, West River, Jacup, Ravensthorpe, Hopetoun, Jerdacuttup, and Munglinup, SEMS is committed to raising the standard in industrial, commercial, domestic, and agricultural services.

With many years of hands-on industry experience, Director Dan leads a team of dedicated professionals who share a commitment to safety, reliability, and outstanding service. SEMS was founded on the belief that strong client relationships, quality workmanship, and tailored solutions are the foundation of long-term success — for both our business and yours.

We take pride in delivering outcomes that exceed expectations, combining technical expertise with a deep understanding of local industries to provide smarter, more efficient, and sustainable systems.