Vahid MasrourThe cost of solar panels has dropped by more than 99 percent since the 1970s, enabling widespread adoption of photovoltaic systems that convert sunlight into electricity. https://news.mit.edu/2025/surprisingly-diverse-innovations-led-to-dramatically-cheaper-solar-panels-0811 and i dare wager we're not done with the evolution of photovoltaics.
Surprisingly diverse innovations led to dramatically cheaper solar panels
A new study reveals key innovations that contributed to the rapid decline of solar energy systems, showing that many of the most significant technological advances came from outside the solar sector. This work could help businesses, researchers, and policymakers identify optimal areas for future investment.