Commercial units ranging from 1.8kW to 5.6kW. While often gas-fired, they are compatible with solar-thermal inputs for off-grid power. Shopping Comparison by Vendor Solar Stirling Engine | eBay
Solar-powered Stirling engines are available in formats ranging from educational desk toys to large-scale generators. While small-scale kits are common and affordable, industrial-sized solar Stirling generators are typically specialized equipment used for off-grid electrification or concentrated solar power (CSP) research.
An all-metal model available from , designed for hands-on assembly and understanding thermodynamic principles. Industrial & Residential Generators
Large-scale units are often used for micro-cogeneration (producing both heat and power) and can achieve efficiencies higher than standard photovoltaic panels in certain conditions.
An industrial-grade alpha-gamma Stirling generator producing ~1.2 kW. It is designed as a maintenance-free "endurance runner" for various heat sources.
These are the most common Stirling engines available for purchase. They are designed for classroom demonstrations or home experimentation and typically operate using a low temperature differential (LTD).