A new $5 billion deal could give the Navajo Nation, one of the country’s largest Native American reservations, better access to safe drinking water. But the agreement needs Congress’ approval, and there are significant obstacles ahead. POLITICO’s Annie Snider breaks down why the deal is so important to the Navajo Nation and how Congress could upend it. Plus, the Energy Department is preparing to provide a $861.3 million loan guarantee to support the construction of solar farms and battery storage systems in Puerto Rico.    For more news on energy and the environment, subscribe to Power Switch, our free evening newsletter: https://www.politico.com/power-switch And for even deeper coverage and analysis, read our Morning Energy newsletter by subscribing to POLITICO Pro: https://subscriber.politicopro.com/newsletter-archive/morning-energy   Annie Snider covers water issues for POLITICO Pro.  Josh Siegel is an energy reporter for POLITICO.  Nirmal Mulaikal is a POLITICO audio host-producer.  Annie Rees is the managing producer for audio at POLITICO. Gloria Gonzalez is the deputy energy editor for POLITICO.  Matt Daily is the energy editor for POLITICO. Learn more about your ad choices. Visit megaphone.fm/adchoices