On social media and at industry conventions, it is easy to find high-profile discussions on the technological revolution of electric grids. Experts on energy storage, distributed generation, and wireless options describe how emerging technologies are poised to transform the electricity sector. The hype is real. Energy companies are developing technologies at an increasingly rapid pace. But for all the attention on these new devices and expectations of market growth, there’s still no clear path to widespread adoption. As this series shows, several key barriers prevent technology adoption from keeping up with technology development.