We are more powerful together At Tandem Energy, we take a holistic approach to energy management, providing integrated, realistic, and innovative solutions to help our clients reduce energy costs now and in the future. Improving our clients' bottom line through energy efficient and sustainable practices is our key focus and passion. By incorporating education and behavioural change into your workplace, we can help you empower your workforce to achieve significant and lasting change. Tandem Energy is a privately-owned South Australian energy solutions business, servicing clients in SA and across the country