Ansaldo Energia, is a supplier of power plant equipment and related services. The company provides turnkey power plants, components such as gas and steam turbines, generators and microturbines. Its service offerings include engineering, procurement and construction of thermoelectric power plants, maintenance, repair, auto-tuning, and spare parts services on existing plants, built by itself or other original equipment manufacturers (OEMs). 

Ansaldo Energia also operates in the construction and dismantling of nuclear plants and the treatment of radioactive waste from existing plants. The company has operations in the Middle East, Asia, Europe, and North America.