The economic regulator of the water sector in England and Wales plays a crucial role in overseeing the financial and operational aspects of the water industry. This regulatory body ensures that the water companies are running efficiently and effectively, providing high-quality services at a fair price to consumers. They are responsible for setting the maximum prices that can be charged for water services, taking into account the need for companies to invest in infrastructure and services. This role is essential in balancing the interests of consumers, the environment, and the water companies. In addition, the regulator also monitors the performance of water companies, enforcing standards and penalties when necessary. Their overarching goal is to ensure the sustainability and affordability of water services, while promoting competition and innovation within the sector.