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June 2018

June 18, 2018

REopt Lite's Application Programming Interface Boosts Solar+Storage Analysis Flexibility

NREL released an API for REopt(TM) Lite, enabling streamlined integration with other tools inside and outside NREL and allowing building owners and researchers to evaluate the economics of grid-connected solar PV and battery storage at multiple commercial sites. The API opens opportunities for research collaboration and broader market impact, driving solar and storage deployment.

June 12, 2018

Enhanced Resilience Features Help REopt Lite Users Size Solar+Storage Systems to Support Critical Building Loads

NREL's REopt Lite web tool now offers enhanced resilience analysis capabilities that allow building owners and energy managers to size PV and storage systems to meet a specified outage duration and compare the sizing and costs of a resilient system with a system sized to maximize savings.

May 2018

May 29, 2018

News Release: NREL Researchers Measure Impact of Eclipse on Electrical Grid

A recent analysis from the National Renewable Energy Laboratory (NREL) found that, during last summer's total eclipse, solar energy output in the West dropped by about 5.9 gigawatts (GW).

April 2018

April 25, 2018

Low- and Moderate-Income Residences Can Help Modernize the U.S. Electric Grid

Pairing solar photovoltaics with rooftops of low and moderate-income housing represents an opportunity to help modernize the U.S. electric grid and improve energy affordability in low-income communities

April 24, 2018

NREL Researchers Create New Materials With Unusual Properties

Few scientists reference Kurt Vonnegut in their academic journals, but researchers at the Energy Department's National Renewable Energy Laboratory (NREL) found the parallels between his work and theirs compelling. Both invoke polymorphism--the ability of a material to adopt multiple crystal structures.

April 20, 2018

NREL and Hawaiian Electric Navigate Uncharted Waters of Energy Transformation (Part 2)

NREL and the Hawaiian Electric Companies are evaluating energy trends and simulating future grid scenarios to ensure stability--and their findings could help other islands, and even mainland states, apply similar solutions.

April 20, 2018

NREL and Hawaiian Electric Navigate Uncharted Waters of Energy Transformation (Part 1)

NREL helped the Hawaiian Electric Companies respond to new stability challenges associated with the rapid addition of solar power and other renewables to Hawaii's six isolated island grids.

April 12, 2018

NREL Research Pushes Perovskites Closer to Market

NREL has played a significant role in the increased efficiency of perovskite solar cells.

April 10, 2018

News Release: New Solar PV Tool Accurately Calculates Degradation Rates, Saving Money and Guiding Business Decisions

A new software package developed by the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) and industry partners SunPower and kWh Analytics is making the measurement of PV system expected lifetime performance more reliable, consistent, and accurate.

April 9, 2018

New Analysis Finds Synergistic Relationship Between High PV Penetration and Energy Storage Deployment

Adding higher penetrations of solar photovoltaics (PV) to the electric power grid could increase the potential for energy storage to meet peak demand, according to new analysis from the U.S. Department of Energy's National Renewable Energy Laboratory (NREL).


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Last Updated May 5, 2025