This presentation is focused on pricing Energy Storage as a Service (ESaaS) for Transmission Congestion Relief (TCR). We present the case of a merchant storage facility that competes in an electricity market to trade energy and ancillary services on a day-to-day basis. It also has the opportunity to provide a firm TCR service to a regional network operator under a long-term contract. We model the opportunity costs associated with the TCR service and use it in a hybrid cost-value customized pricing technique to determine a risk-constrained optimal price for ESaaS for TCR. Given the long-term nature of the commitment to provide the TCR service, we use the Conditional Value at Risk (CVaR) metric to mitigate the long-term financial risks faced by the facility. The proposed pricing strategy enables the storage owner to estimate the additional financial gains and associated risks that would likely result from adding the new service to its operation.

This presentation will address the research question: “How can we determine the optimal locations for energy storage for proper integration into the electricity system?” I have developed a conceptual framework for decision-making that caters to utilities for it considers the impacts of the energy storage placement on the grid, and the electric circuit capacity constraints. Additionally, I have built a prototype of Geographic Decision Support.

Datacenters, EV fast-charging stations, and other electricity customers that have volatile loads are adopting behind-the-meter energy storage to reduce electricity costs and maximize revenue generation. These volatile loads are best managed with high-power batteries that may cycle several times daily. This presentation introduces the Prussian blue battery, which offers uniquely high power and long cycle life, and describes the results of recent deployments of this technology for behind-the-meter applications.

With recent large-scale ESS battery fires, there is a renewed emphasis on the safety of lithium-ion. The muRata FORTELION minimizes these safety concerns and delivers a life expectancy of more than 15 years. These benefits are achieved with the FORTELION cathode, an olivine-type, and iron phosphate chemistry that is extremely stable in nature. This presentation will give an overview of FORTELION, including calendar life, cycle life, and UL9540A test results at the cell and module level.

Among other flow batteries, zinc-based aqueous flow batteries (ZBAFB) have the advantages of 1) smaller amount of electrolyte, and 2) elimination of ion-exchange membrane by using complexing agents to phase-separate charged species (Br2 or I2). However, existing complexing agents are unsatisfactory, which leads to severe self-discharge. Moreover, flow batteries generally have low volumetric power density, limiting their wide applications. In this talk, I will show our recent efforts on enhancing the performance of ZBAFB by designing novel complexing agents and innovating the cell structures.

Aqueous-soluble organic and organometallic compounds are potentially attractive candidates as energy carriers for redox flow batteries (RFBs), in part because their production does not necessarily rely on the use of scarce or expensive components.  Anthraquinone-based negolytes and ferri/ferrocyanide posolytes have exhibited acceptable performance in experimental RFBs and can be synthesized from abundant raw materials, but large scale production and economic issues have received comparatively little attention.  Process options plus cost and price estimates for large-scale manufacturing of two representatives of this class of materials, sodium ferrocyanide and 2,6-anthraquinone disulfonate, will be presented.  Comparison with price targets set by the U.S. Department of Energy for stationary electricity storage and cost reduction strategies for these and related active materials will be discussed.

Flow batteries are generally recognized as the most technically mature alternative to lithium ion for grid storage. This presentation explores: storage applications where flow is well suited, flow system characteristics, and flow's levelized cost of energy.

Michael will be available to take your questions from his live tutorial given earlier in the day. A recording of the tutorial is scheduled to be available for on demand viewing by 10:00am on July 30, 2020 and the original live broadcast will take place at 7:30am - All Times Eastern Daylight (UTC-04:00)

The secondary-use of batteries can reduce the total cost of ownership of EVs and improve the utilization of natural resources. Secondary-use can range from OEM replacement packs to stationary energy storage. This presentation covers the need for batteries designed for secondary-use, methods for determining remaining capacity (characterization), and applications for secondary use. The presentation addresses battery design and strategies that can materially reduce the cost of secondary-use batteries.

In dependence on the application-specific ambient and operating conditions, but also in dependence on the quality of the used lithium-ion battery cells and the system design, aging mechanisms have a significant influence on the safety and reliability as well as on the performance of the battery storage. Thereby, capacity fade and increase of inner resistance of battery cells, as well as corresponding increase of cooling demand, must be considered. This presentation will provide current results of market available battery storage gained in the laboratory and the field.