Started in 2021 Southern Power Source is professionally managed organization involved in the supply of solar panels, on grid inverters and DC cables in Tamil Nadu, Kerala and Karnataka. We have our Office in Chennai and have warehouses in Chennai, Madurai, Coimbatore, Bangalore, Cochin, Calicut and. Southern Power currently owns more than 3,050 megawatts of solar generating capacity at 30 facilities operating or under development in California, Georgia, Nevada, New Mexico, North Carolina, Texas and Wyoming. Why Install Home Solar Panels? By generating your own home solar power you'll save money every month on your energy bill.