Category Energy Guides

Solar System Buyer’s Guide

Modern residential solar panel installation on rooftop with blue sky

Editor’s Note: This guide was originally published in 2016 and has been thoroughly rewritten for 2026 with current pricing, updated equipment recommendations, and the latest incentive information. All product picks reflect hands-on testing and reader feedback. If you have been…

4 Best Solar Phone Chargers [2026]

Solar phone chargers and portable solar panels for charging devices outdoors

Disclosure: This guide contains affiliate links. AESV may earn a commission from qualifying purchases made through these links, at no extra cost to you. This supports our independent research and honest recommendations. Editor’s Note: This guide has been completely rewritten…

Best Thin Film Solar Panels (2026)

Branded thin-film solar panel layers diagram showing protective glass, transparent conductive layer, semiconductor absorber, back contact, and substrate or backsheet

Thin-film solar panels represent a fundamentally different approach to converting sunlight into electricity. Instead of rigid silicon wafers, thin-film panels use layers of semiconductor material just a few micrometers thick — roughly 1/100th the thickness of a human hair —…