Standard silicon solar panels are notoriously inefficient, capturing only 15-20% of the sun’s energy. However, the Parabolic Stirling Dish holds the absolute world record for solar-to-grid efficiency at nearly 32%. It uses a curved mirror to focus intense heat onto a closed-loop mechanical engine that spins a generator, producing massive amounts of AC power directly. Why don’t we use it? In the 2010s, massive silicon solar monopolies and cheap overseas manufacturing artificially flooded the market. This crashed the prices of inefficient flat panels and bankrupted advanced solar-thermal startups. The grid utilities pushed for standard panels because their inefficiency guarantees you still need to buy grid power during peak times.
Credit to : OffGrid Secrets