This is a guest post from AEE affiliate member Navigant. To learn more about Navigant, click here. To learn more about membership in AEE, click here.
Storage has long been relegated a trend to watch in the next 10 years – but not a trend of today. Until recently, it was considered too immature (in terms of technology) and too expensive (in terms of capital investment) to be a serious contender in the utility space. Over the past two years, however, a slew of megawatt-scale storage plants started coming online to compete in PJM’s fast-response frequency regulation market. This market development has had two positive consequences for storage: It has helped lower lithium-ion battery pricing, and it has piqued the interest of developers. As a result, storage is now.