A new iron-based aqueous flow battery shows promise for grid energy storage applications.

Results of the PR100 study outline near- and short-term strategies for Puerto Rico to achieve a renewable power grid by 2050.

Understanding the risk of compound energy droughts—times when the sun doesn’t shine and the wind doesn’t blow—will help grid planners understand where energy storage is needed most.

Input from humans helps when deciding whether to trust the recommendations or decisions of a machine-learning system.

A new flow battery design achieves long life and capacity for grid energy storage from renewable fuels.

A new sodium battery technology shows promise for helping integrate renewable energy into the electric grid. The battery uses Earth-abundant raw materials such as aluminum and sodium.

A new longer-lasting sodium-ion battery design is much more durable and reliable in lab tests. After 300 charging cycles, it retained 90 percent of its charging capacity.

New facility will accelerate energy storage innovation, increase clean energy adoption and grid resilience.

Scientists have created a battery designed for the electric grid that locks in energy for months without losing much storage capacity.

Technology designed to bolster the electric grid and store large amounts of energy from renewable sources is available for licensing.

A compound used in candles offers promise for a modern energy challenge—storing massive amounts of energy to be fed into the electric grid as the need arises.

A simple sensor system developed at PNNL can prevent dangerous battery fires.

New facility will accelerate energy storage innovation, increase clean energy adoption and grid resilience.

New facility that will accelerate energy storage innovation and make the nation’s power grid more resilient, secure and flexible has been given the green light to proceed by the U.S. Department of Energy.

Scientists have witnessed the formation of the solid-electrolyte interphase, a critical component in lithium-ion batteries.

With support from DOE’s Office of Electricity and National Grid, PNNL led a groundbreaking study to accurately assess the full value of grid energy storage investments across a wide variety of use cases.

An organic molecule used in dyes and antibiotics may be the key to less expensive, more efficient redox flow batteries.

Grid modernization, improved energy storage goals of agreement between PNNL and East Coast energy company.

PNNL will lead two new projects to advance resilient distribution systems and partner on three additional demonstrations aimed at validating new approaches and technologies to make the aging grid more resilient and secure.

PNNL chief engineer, Jeff Dagle, helps roll out National Academies report on grid resilience.