Optima Energia SA de CV provides energy and water solutions to hotels and other larger clients in Mexico. The company offers energy savings services that include assessment, technical design, implementation, maintenance, and project financing. It focuses on various fields, such as air conditioning, waste heat recovery, lighting, seawater cooling, reverse osmosis, desolation, potable treatment and water recovery, electricity consumption optimization, water pre-heating, and electricity generation. The company was formerly known as Celsol S.A. de C.V. The company is based in Santa Catarina.