BGR Energy Systems Limited, together with its subsidiaries, manufactures and sells capital equipment for power plants, petrochemical and process industries, and refineries in India and internationally. Its Power Projects division engages in the provision of turnkey engineering, procurement, and construction services for power plants; and supply of sub and super critical steam turbines and generators, and single and multiple pressure level natural circulation heat recovery steam generators. The company's Electrical Projects division offers solutions for EHV substations; optical fiber composite ground wire, all-dielectric self-supporting, and optical line termination equipment; gas insulated switchgear substations; EHV transmission lines; plant electrical projects; and rural electrification. This division also provides power and auxiliary transformers, power evacuation systems, HT/LT/control cables, HT/LT switchgears, DC systems, and battery and battery chargers. Its Oil and Gas Equipment division offers process equipment packages and systems, pipeline equipment, compressor packaging products, and storage tanks. The company's Environmental Engineering division provides deaerators, membrane based water treatment plants, demineralization plants, effluent treatment and recycling plants, and condensate polishing units. Its Air Fin Coolers division offers process, radiator, and compressor coolers, as well as finned tubes and tube bundles. The company also provides heat exchangers; pressure vessels, reactors, and columns; waste heat recovery modules and convection coils; surface condensers and HP/LP heaters; welded finned tubes; and process equipment and boiler components. BGR Energy Systems Limited was incorporated in 1985 and is based in Chennai, India.