The range of benefits energy storage can provide to the electricity system are widely known among those in industry and well documented in the literature. Among these are storage’s abilities to help integrate wind and solar energy, improve grid reliability, and increase the economic efficiency of the electricity system. Despite the benefits, there has not yet been widespread deployment of energy storage. This is due to two main factors. First, there currently are not markets set up to allow storage owners to earn revenue for many of the services they provide. Second, storage technologies have historically been more expensive than alternative resources that can provide comparable services. However, both of these barriers have been easing recently. Continue reading »