Sona Koya Steering Systems, the flagship company of The Sona Group, is the largest manufacturer of steering systems for the passenger car and utility vehicle market in India. They have installed solar water heater systems serviced by Aspiration Energy as the ESCO operator. This was one of their pioneering effort envisioned to replace diesel in their pressurized water heating systems. The solar system delivers 1260 KWh / day solar thermal energy, resulting in Diesel savings of 36,000 litres per year. Sona Koyo has also channeled hot water to their employees’ cafeteria.