Stationary Generator Market Size, Share & Industry Analysis, By Fuel Type (Diesel, Gas, and Others), By Power Rating (Below 75kVA, 75-375kVA, 375-750kVA, and Above 750kVA), By Application (Continuous Load, Peak Load, and Standby Load), By End-User (Mining, Oil & Gas, Construction, Residential, Marine, Manufacturing, Pharmaceuticals, Commercial, Telecom, Electric Utility, Data Centers, and Others), and Regional Forecast, 2026-2034