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June 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.
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
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
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
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.
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.
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.
NREL Research Pushes Perovskites Closer to Market
NREL has played a significant role in the increased efficiency of perovskite solar cells.
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.
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