A readily accessible source of standby power, these devices are engine-driven electrical generators that utilize compression ignition to burn fuel oil. Sold through a large retail chain specializing in home improvement and construction products, they represent a consumer-level solution for electricity generation in situations where grid power is unavailable or unreliable. These units vary in power output, portability, and features, allowing consumers to select a model appropriate for their specific needs, from residential backup to powering tools on a job site.
The utility of such a power solution lies in its ability to provide essential electricity during power outages caused by weather events, grid failures, or planned maintenance. Providing immediate relief, they ensure the continued operation of critical appliances, heating/cooling systems, and medical equipment. Historically, their adoption has grown with increasing frequency and severity of power disruptions, making accessible and reliable power options a practical necessity for both homeowners and businesses.