Outside of Rotterdam, Netherlands, is a floating, sun-tracking solar park. It was designed in a collaboration between a company called Floating Solar, a Dutch company creating innovative renewable solar systems, and Evides Waterbedrijf, a company that supplies drinking water to more than 2 million consumers and companies in the Netherlands. “We see it as our social responsibility to contribute to our national sustainability goals and to the Dutch energy transition,” said Dirk Mathijssen, program manager. Unlike land-based solar panels that are mounted on a stationary surface, here, thanks to solar-sensors embedded in the platform and a series of anchor cables and winches, the entire rig rotates, allowing the solar panels to track the sun’s movements across the sky. In addition to saving scarce land resources for other purposes, the water-based solar system yields 20-30 percent more energy than land-based systems.