This is an overview article for aluminum versus copper wiring used in solar pv installations.
The Copper Differential - SolarTech
Aluminum, Copper Use to Shrink in Future Wind and Solar Farms
Copper vs Aluminum, Solar Cables
Green Conflict Minerals: The fuels of conflict in the transition to a low-carbon economy
SunDrum: A Turbocharger for Solar Systems
GreenTech - Top 1000
Assessing the Solar Recycling Landscape: Part 2
Green tech to create surge in 'green metals
Renewable energy - Wikipedia
The Coming Copper Shortage: Aluminium Or Carbon Nanotubes To The Rescue?
Forecast of the U.S. Copper Demand: a Framework Based on Scenario Analysis and Stock Dynamics
Scientists discover 'magical' material that's stronger than steel
US renewable energy transition