Alcoa is testing a unique concentrating solar power (CSP) parabolic trough technology at the National Renewable Energy Laboratory in Golden, Colo. The technology could be the company’s entry point into the solar power business.
The news is important for a couple of reasons. Alcoa’s technology uses aluminum instead of glass mirrors to capture solar heat. While it may not be the first company to try this, Alcoa is certainly the largest. It’s also a vote of confidence by one of the country’s largest companies on the long-term viability of CSP technology .
For Alcoa, one of the world’s major aluminum producers, developing aluminum-based mirrors makes good business sense. They have the resources and knowledge to develop new applications for the the most abundant metal in the earth’s crust. Read More »