These heavy-duty units can last anywhere from 10,000 to 30,000 operational hours, providing 20 to 40 years of service life when well-maintained. . Due to long lead times, maintaining or relocating existing generators is a possible solution to the supply chain problem Review strategies for maintaining existing electrical equipment. Learn about options for standby generator relocation. Separately, the continuous runtime focuses on the immediate physical limits of the engine's design during an extended power failure, primarily concerning heat. . If you're Googling “ how long can the power storage cabinet last,” chances are you're either a tech enthusiast, a facility manager, or someone investing in renewable energy systems. Generator. . Maintaining power generation equipment is a critical task that requires a thoughtful, tailored approach to ensure reliability and efficiency. Equipment owners must collaborate with experienced technicians to design maintenance programs that address their specific operational needs.