Revamping and repowering are two terms that inevitably come up when it comes time to retrofit a renewable energy power plant. Both concepts have made their way into the spotlight in recent years, and the European Union has even included them in several of its renovation plans to promote the upgrading of renewable energy installations in member states.

  Renewable energies are one of the most attractive and strategic sectors when it comes to diversifying an investment portfolio. And in terms of preferences, some investment markets, like the Spanish ...