Forbes contributors publish independent expert analyses and insights. I write about green energy tech that will change your life. Have you ever noticed power lines sagging lower on a hot summer day?

Look closely at a solar panel, and you'll see a series of thin metallic lines running across the surface. They're not there to look nice -- they have a specific purpose. Those lines are called the ...

The two grid operators providing power to the Midwestern U.S. are proposing to build $1.7 billion worth of new transmission lines to bridge the “seam” between their networks. The move could unlock ...