Solar Power Is Getting Cheaper--But How Do We Overcome Its Limits?

The price of silicon-based solar cells has been falling off a cliff for years now. In 1977, each watt of capacity for a silicon solar panel would cost you around $76. By 1987, that had dropped to $10. In 2017, according to EnergyTrend, it was $0.22. This has been reflected in falling prices for the […]