The Mainspring Linear Generator delivers high-efficiency power with unmatched flexibility, including the ability to switch dynamically between fuels including natural gas, propane, hydrogen, ammonia, and biogas, and to quickly track any load with its full dispatchability. Whether deployed as a single unit or as a grid-scale array, the technology is easy to permit and interconnect in any jurisdiction, allowing for broad impact across a wide range of use cases on both sides of the meter.