Scientific American: "For Energy Savings, LEDs Outshine Solar Panels"

Link to Scientific American

"Homeowners looking to save electricity costs should replace all their incandescent light bulbs with LED-based lights instead of installing a small solar photovoltaic system, a report by J.P. Morgan shows. 

"Light-emitting diodes, or LEDs, will become mainstream over the next 12 months as improving technology and performance and higher subsidies lead to a rapid drop in costs, according to the report."