Fortune has been reporting on the transition to renewable energy sources for over a decade.

We’ve covered the cost and benefits of both new and existing generation sources and how these can help meet the demands of our growing energy needs.

In this article, Fortune explores the different ways that the energy companies are working to improve their generation sources.

They talk about their goals, challenges, and how they plan to solve them.

To read more about how the energy industry can reduce energy costs, read on.