When Tesla unveiled the utility-scale Powerpack battery in 2015, analysts and observers excitedly proclaimed the product’s low price point would revolutionize electric grid operations and business models as it set new cost benchmarks for energy storage. But despite the hype, the reception from utilities was tepid at best. This experience is not unique to Tesla. It leads to a big question: What’s stopping utilities from quickly pivoting to new energy technologies? Unlike other industries that can quickly adopt new technology, utilities and their regulators must make more cautious deliberations.