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Download the 2014 Energy Systems Integration Facility Annual Report for highlights from the facility's first year of operation.

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Check out this month's issue of Energy Systems Integration News to learn what's happening in ESI at NREL and beyond.

Photo of solar panels with the words 'Redefining What's Possible for Renewable Energy: Grid Integration.'

Watch to learn how NREL research and analysis are redefining what's possible for renewable energy on the grid.

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Discover the one-of-a-kind capabilities of the Energy Systems Integration Facility.

Photo of three men and a woman in safety glasses examining a hydrolyzer.

See who is partnering with NREL at the Energy Systems Integration Facility to bring new technologies to utility scale.

Photo of three men standing in a laboratory in front of several computer screens.

Learn how NREL is collaborating with SolarCity and Hawaiian Electric to get more solar on the grid.

Photo of a man standing next to a large robot in a laboratory.

Watch how NREL is using a robot at the Energy Systems Integration Facility to test the reliability of hydrogen fueling hoses.

NREL is leading a worldwide conversation about energy systems integration and spearheading innovations that optimize our entire energy system. Energy systems integration combines energy carriers (such as electricity, thermal pathways, fuels, and water) with infrastructures (such as communications and transportation) to maximize efficiency and minimize waste. A range of technologies connect through these energy infrastructures and form systems at a variety of physical scales—from individual buildings to aggregations at campuses and fleets to distribution and regional systems that stretch across continents.

Energy systems integration research and development at NREL is concentrated in the areas of transmission, distribution, and resource assessment and forecasting. R&D of clean energy and energy efficiency technologies (and the science behind them) also play a major role in seamless interconnection and flexibility between energy carriers and infrastructures. Energy analysis plays a vital part in informing policy and investment decisions as renewable energy and energy efficiency technologies move from innovation to integration.

Critical to the success of this effort is the collaboration of a diverse set of stakeholders on an unprecedented scale to tackle big energy challenges. The Department of Energy's Energy Systems Integration Facility on the NREL campus creates new opportunities for interaction among diverse groups. Our industry partners span the globe and are represented by such organizations as Toyota, Solectria, the Electric Power Research Institute, and Advanced Energy.

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Grid Transformation Summit 2015 

April 27 - 29, 2015
New York, NY
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Grid Edge Live 2015 

June 23 - 25, 2015
San Diego, CA
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Energy Systems Integration Research Highlights - Featured research at NREL Energy Systems Integration Newsletter - The latest on ESI at NREL