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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

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At least 793 records · Page 44
All sourcesNASA NTRSDOE OSTI
DOE OSTI2018

Valuing the Resilience Provided by Solar and Battery Energy Storage Systems

This paper explores the impact of valuing resilience on the economics of photovoltaics (PV) and storage systems for commercial buildings. The analysis presented here illustrates that accounting for the cost of grid power outages can change the breakeven point for PV and storage system investment, and increase the size of systems designed to deliver the greatest economic benefit over time. In other words, valuing resilience can make PV and storage systems economical in cases where they would not be otherwise. As storage costs decrease, and outages occur more frequently, PV and storage are likely to play a larger role in building design and management considerations.

14 SOLAR ENERGY↗
DOE OSTI2019

An Integrated Approach to Resilience

Fact sheet describes FEMP’s energy and water resilience program and strategic approach to resilience planning.

Federal Energy Management Program↗
DOE OSTI2019

ICE Krome Service Processing Center Resilience Assessment

The Immigration and Customs Enforcement (ICE) Krome Service Processing Center near Miami, FL secured congressional appropriations to complete projects that will enhance resilience on the site, prompting a request for NREL to provide technical assistance in determining high priority projects. After a site visit and extensive analysis with REopt, recommendations to enhance resilience focused on the reconfiguration of electrical distribution infrastructure and the installation of a solar photovoltaic parking lot canopy. These recommendations improve on an existing microgrid setup with two diesel generators, which will be made more robust with the implementation of NREL's recommendations.

29 ENERGY PLANNING, POLICY, AND ECONOMY↗
DOE OSTI2019

Holistic Energy Management Yields Cost Savings and Resilience Benefits for the U.S. Coast Guard Academy

As the U.S. Coast Guard's third largest energy consumer, the 86-year-old Coast Guard Academy in New London, Connecticut, was ripe for an energy management overhaul. That overdue overhaul was made possible by the largest utility energy service contract (UESC) in U.S. Department of Homeland Security history. Awarded in September 2017, the $72.6 million contract provided for $39 million in capital improvements and is expected to cut total energy costs by 80% - more than $2 million - each year. On-site generation of 82% of the site's electricity needs will dramatically improve site-wide resilience, and savings generated from implementation of the project will pay for all project costs. The UESC project team developed and executed an energy management project to meet several priority objectives, including implementing essential infrastructure improvements, increasing reliability, and enhancing resilience - and engaged the Federal Energy Management Program (FEMP) Utility Partnerships Program for project assistance.

29 ENERGY PLANNING, POLICY, AND ECONOMY↗
DOE OSTI2019

Fuel Diversification to Improve Transportation Resilience in Tampa Bay, FL

The poster summarizes the work to date helping Tampa Bay develop its transportation fuel resilience plan. It will be presented at the TRB resilience workshop. This is the poster version of a publication that has already been published: https://www.nrel.gov/docs/fy19osti/73743.pdf. The only difference is the addition of the last two slides on the poster.

33 ADVANCED PROPULSION SYSTEMS↗
DOE OSTI2019

Options for Resilient and Flexible Power Systems in Select South American Economies

This presentation provides highlights from the published report NREL/TP-6A50-75431, which summarizes opportunities for Argentina, Brazil, Chile and Colombia to adapt to the new forces buffeting electricity sectors around the globe to ensure reliable, affordable, sustainable and resilient power systems. Special attention is placed on the potential role for natural gas to help ensure flexible and resilient power.

29 ENERGY PLANNING, POLICY, AND ECONOMY↗
DOE OSTI2020

Options for Resilient and Flexible Power Systems in Select South American Economies

This presentation provides highlights from the published report TP-6A50-75431, which summarizes opportunities for Argentina, Brazil, Chile and Colombia to adapt to the new forces buffeting electricity sectors around the globe to ensure reliable, affordable, sustainable and resilient power systems. Special attention is placed on the potential role for natural gas to help ensure flexible and resilient power systems in those countries.

ENERGY PLANNING, POLICY, AND ECONOMY,HYDRO ENERGY,↗
DOE OSTI2021

Energy Security and Resilience (ESR) Initiative

Central to achieving reduced carbon emissions and sustained economic recovery from the COVID pandemic is a national energy system based on low-carbon technologies and resistant to disruption from severe weather events and human attacks. NREL’s Energy Security and Resilience (ESR) Initiative applies NREL’s expertise in the design and operation of clean, highly distributed energy systems to the most pressing security and resilience challenges.

cybersecurity↗
DOE OSTI2021

Design of Resilient Electric Distribution Systems for Remote Communities: Surgical Load Management Using Smart Meters: Preprint

This paper describes a systematic process of designing resilient electric distribution systems and microgrids using smart meters for surgical load management (SLM) as part of Advanced Metering Infrastructure (AMI). The work focuses on selection approach, integration, and interoperability aspects for AMI in microgrids. SLM is proposed as a granular control methodology for serving selective critical loads across different distribution feeders in the system during extreme events. The surgical load shedding as well as load pick-up provides a robust approach for maximizing critical load served in a resource-constrained electric distribution system or a microgrid. We present the case of a 20 MW islanded microgrid in Cordova, AK, USA, which is the demonstration site for field validation of resilience enhancement technologies for the DOE-funded Grid Modernization project RADIANCE. Cordova microgrid is an islanded distribution grid that provides an environment to prove the approach, and the techniques may also be applicable to other regional distribution systems.

microgrids↗
DOE OSTI2022

Advanced Technology and a Resilient Electric Grid

Making the electric grid cleaner and more resilient will require investing in a variety of new and emerging technologies. Advanced technologies including hydrogen, small modular nuclear reactors, and energy storage will all have a role to play in modernizing the electric grid. A diverse energy supply helps to keep the lights on and protects critical infrastructure, however it will also be important to assess the potential vulnerabilities and risks that come with unfamiliar and new technologies. This webinar will feature experts on resilience planning around advanced technologies from multiple sectors and share resources for states as they seek to modernize and decarbonize their electric grid.

advanced technology↗
DOE OSTI2022

Designing the PR100 Study: Puerto Rico Grid Resilience and Transition to 100% Renewable Energy

Puerto Rico has committed to meeting its electricity needs with 100% renewable energy by 2050, along with realizing interim goals of 40% by 2025, 60% by 2040, the phaseout of coal-fired generation by 2028, and a 30% improvement in energy efficiency by 2040 as established in Act 17. [1] To meet these goals and support widespread end-use electrification, the territory must explore how renewable energy and other generation technologies can be developed with energy storage, distributed generation, distribution control, electric vehicles, and energy efficient and responsive loads in each of Puerto Rico's cities and communities. To support Puerto Rico in reaching its renewable energy goals; help ensure energy system resilience against future extreme weather events; improve energy justice; and provide inputs to LUMA Energy's walk, jog, and run approach in its coordinated planning roadmap, the U.S. Department of Energy, National Renewable Energy Laboratory, Argonne National Laboratory, Lawrence Berkeley National Laboratory, Oak Ridge National Laboratory, Pacific Northwest National Laboratory and Sandia National Laboratories propose to evaluate 100% renewable energy pathways through an integrated analysis process. This talk will present steps in designing a two-year study entitled Puerto Rico Grid Resilience and Transitions to 100% Renewable Energy (PR100). [1] U.S. Energy Information Administration (EIA). 2020. Puerto Rico Territory Energy Profile.

100% renewable energy↗
DOE OSTI2022

Resilient, Rural, and Revolutionary: Salisbury Square's Direct-Current Affordable Microgrid Community: Preprint

The technology to interconnect buildings with a dedicated direct-current (DC) power distribution network is in place today; what is missing is a turnkey approach to designing a DC microgrid - and the business models allowing such systems to be deployed, owned, and operated at scale. To close this gap, the Salisbury Square Development Team, comprising clean-energy experts, has engineered a resilient community DC microgrid for an affordable housing community in Randolph, Vermont. Ten single-family, occupant-owned residences and 12 multifamily rental units will share locally generated and stored solar energy via a DC power distribution bus capable of operating during extended grid outages. With a DC power distribution network in place, each home will be equipped with high-efficiency DC lighting and appliances, operating alongside alternating current (AC) appliances, even during an islanded mode of operation. To obtain a comprehensive understanding of what is possible and achievable, the Team collaborated with the local utility, regulatory agencies, a national laboratory, energy-as-service providers, and vendors. The collaborators evaluated microgrid typologies, business models, and energy modeling, and analyzed electrification and resilience. Further, the Team applied the URBANoptTM (Urban Renewable Building and Neighborhood optimization, NREL 2022) software development kit (SDK) to Salisbury Square's single-family and multifamily buildings to validate workflows and identify needs for advanced capability. This paper addresses the barriers to entry, scalability, and impact on residents and system ownership. It also examines the analysis that informed the design and engineering of the DC microgrid and the opportunities to streamline the process.

DER↗
DOE OSTI2022

Resilience with Renewables

This presentation is intended for the DOE Better Buildings Sustainable Corrections Infrastructure Partnership (SCIP) program webinar series. It will explain the INL Resilience Framework, discuss how to apply it for building managers, and give examples of the ways batteries can aid in resilience by walking through a case study conducted for Iowa Lakes Electric Cooperative.

17 WIND ENERGY↗
DOE OSTI2022

Resilience Application: MIRACL Advisory Board Meeting 2022

The resilience web application was developed to automate the planning process developed in the INL Resilience Framework for Electric Energy Delivery Systems. In this presentation, a description of the architecture, functionality, and use of the web application is shown.

17 WIND ENERGY↗
DOE OSTI2024

Building Resilience with Distributed Wind

Distributed wind has several properties that can increase resilience of local electric systems. One of the biggest benefits distributed wind provides is the ability to provide power locally without importing fuel and in areas where solar resources are not adequate. In this way, it can be used to offset fossil fuel consumption and support local backup power needs in the case of a wider grid outage. This fact sheet provides an overview of this and other ways that distributed wind supports resilience.

17 WIND ENERGY↗
DOE OSTI2024

Minneapolis American Indian Center Solar + Battery Resilience Hub

To meet south Minneapolis, Minnesota's clean energy goals, the community exploring opportunities to transition Minneapolis American Indian Center (MAIC) into a resilience hub to provide critical community services during power outages, including shelter and warmth or cooling, continued food distribution services, and more. The National Renewable Energy Laboratory, through the U.S. Department of Energy's Communities LEAP (Local Energy Action Program) pilot, worked with MAIC to quantify the costs and benefits of installing stand-alone solar photovoltaics (PV) and PV paired with battery systems to reduce energy costs, avoid emissions, and improve resilience.

BESS↗
DOE OSTI2025

Graph-Theoretic Approaches to Quantifying Power System Resiliency

Although gaining growing importance, the subject of power system resiliency still lacks a commonly acknowledged metric. As a contribution to solving this complication, in this paper we leverage the concepts of spanning trees and Fiedler value from graph theory to propose two topology-based indices for quantifying the resiliency of power systems. The proposed indices require least information and may be applied to any other flow network, such as water or gas pipeline networks.

24 POWER TRANSMISSION AND DISTRIBUTION↗
DOE OSTI2025

Evaluating Hydropower Plants for Wildfire Resilient Microgrids

The increasing occurrence and severity of wildfires in recent years is severely impacting critical infrastructures, including the power grid, compromising the quality of life and provision of essential services, including electricity. The western parts of the United States, more specifically Washington, Oregon, and California, which are prone to large wildfires, are also rich in hydropower resources. Hydropower resources located close to communities vulnerable to wildfire can be utilized to develop wildfire-resilient microgrids to support critical needs of those communities. Therefore, this paper develops a framework to characterize hydropower plants and evaluate their feasibility to operate in microgrids during wildfire-related outages. In the proposed framework, hydropower plants are characterized using various plant and site attributes and evaluated in terms of capability and performance indicative metrics. A case study is carried out evaluating the Hills Creek hydropower plant located in a wildfire-prone region of Oregon for wildfire-resilient microgrid. The results of steady-state and dynamic simulations show that the hydropower plant is capable of providing the essential microgrid services and powering nearby communities during extended wildfire-related outages.

29 - ENERGY PLANNING, POLICY AND ECONOMY↗