This grill is fueled by natural gas. EdgeStar built-in grills are designed to be the centerpiece of any outdoor entertaining space. Their heavy-duty stainless steel construction is both beautiful and highly functional. Performance, durability, and style were at the forefront when designing the GRL420IBBNG. Constructed of high-grade stainless steel, this grill is built to look great for many years. This grill features an astonishing 89,000 BTU's and huge 628 sq. in. cooking surface. Ceramic briquette flame tamers ensure the heat is evenly dispersed throughout the grill creating an optimal cooking environment. Two heavy-duty cast stainless steel H-shaped burners, and one infrared burner provide unprecedented grilling versatility. Also, includes a 14,000 BTU rotisserie burner, and a rotisserie kit with everything needed for a great grilling experience. A large 223 sq. in. warming rack provides more than enough room for anything you need to pull off the grill early. All EdgeStar grills feature durable piezo ignition systems. A built-in analog thermometer makes it easy to monitor temperatures inside the grill. Intense interal halogen bulbs provide ample light across the grill surface for low light grilling situations, and beautiful blue LED lights illuminate the stainless steel control knobs. W x 24 in. D x 25-5/8 in. H.