The link between renewable energy and clean water, energy production consumes water and providing clean water consumes energy. We gather, treat, and transport water before we can use it, and each of these steps is an energy-intensive process. Despite our modern world, one in ten people still lacks access to clean water. This interconnected challenge is often referred to as the “energy-water nexus.”
Water is essential for many forms of power generation and energy extraction. These include:
- Cooling systems for electricity-generating turbines
- Refining transportation fuels
- Mining and related industrial activities
- Extracting petroleum through drilling and fracking
To ensure more people have access to clean drinking water, we must rethink how we power our lives and manage our water resources.
One promising solution is wastewater reclamation. By treating and reusing wastewater for farming and irrigation, communities with limited freshwater can protect their clean water sources from overuse and contamination. Through better effluent management and improved infrastructure, developing nations can reuse their wastewater while recovering vital nutrients and energy for agriculture.
Wastewater treatment is no longer just a scientific concept; it’s an industrial and agricultural reality, thanks to efficient, decentralized technologies. Shifting our focus to these sustainable solutions is a critical step toward a future with both clean energy and clean water for all.


