Portable solar generators offer a green solution for powering up during electrical outages or off-grid excursions. Find out how today’s top models fared in our hands-on tests.

Both provide electricity during an outage—the choice comes down to convenience, price, and powerA portable generator (left) ...

It supports 200-amp electrical service, providing the backup circuits ... they usually stand the test of time. Consumer-grade, portable generators can run anywhere from 1,000-3,000 hours, sometimes ...

Learn how breakthroughs in energy efficiency are saving millions, reducing waste, and making sustainable engineering scalable worldwide.