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Articles & Publications

September 23, 2015

Investments in solar photovoltaics and wind turbines are soaring as costs fall and governments and companies seek to reduce greenhouse-gas emissions. But fluctuating power from the wind and sun threatens to destabilize electricity grids. As more intermittent sources are connected, the power surges and crashes. This increases variability in voltage, in power and in the frequency of alternating current.

September 9, 2015

ABSTRACT: A variety of inherently robust energy storage technologies hold the promise to increase the range and decrease the cost of electric vehicles (EVs). These technologies help diversify approaches to EV energy storage, complementing current focus on high specific energy lithium-ion batteries.

August 18, 2015

ABSTRACT: Photovoltaic (PV) solar energy systems are being deployed at an accelerating rate to supply low-carbon electricity worldwide.

May 18, 2015

Abstract: Wide bandgap power semiconductor devices offer enormous energy efficiency gains in a wide range of potential applications. However, today, they remain too costly relative to Si devices to gain ubiquitous adoption in many higher power applications. In 2014, ARPA-E launched a new research program entitled SWITCHES, that seeks to enable the development of high voltage (1200 V+), high current (100 A) single die power semiconductor devices that, upon ultimately reaching scale, have the potential to reach functional cost parity ($/A) with silicon power transistors while also offering breakthrough relative circuit performance (low losses, high switching frequencies, and high temperature operation).

January 15, 2015

Executive Summary: The main objective of this study is to quantify the entitlement for system benefits attainable by pervasive application of flexible energy resources in scenarios with extra-high penetration of renewable energy.

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