Sierra’s success in the electrical sector hinges on the Company’s specialized expertise, innovative solutions, and dedicated team of in-house electrical engineers. Electricity powers the world as we know it today. It is not only an enabler for industrial and economic development, but also plays an integral role in social development. Committed to National development, Sierra is a partner in the government’s electrification efforts, and is also gearing toward the growing demand for renewable energy that is fueling a clean energy transition; in turn contributing to a more sustainable future for all. Our team has proven expertise in undertaking High, Medium, and Low voltage Aerial and Underground cabling work for transmission and distribution networks ranging from 11 kV up to 220 kV. The company also carries out electrical and mechanical installation, testing and commissioning of equipment for both indoor and outdoor GIS and AIS grid substations.