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U.S. Solar Photovoltaic System and Energy Storage Cost Benchmark: Q1 2020
NREL's cost benchmark report documents installed costs for solar PV and PV-plus-storage systems as of the first quarter of 2020. It uses a bottom-up methodology that captures variation in system design, regional labor rates and soft costs. The report shows that the cost of residen...
Feldman, D. et al NLR
Dec 31, 2020
USAID Energy Storage Decision Guide for Policymakers
The purpose of this report is to arm relevant decision makers with the initial layer of information they need to understand energy storage and to make informed policy, regulatory, and investment decisions around grid-connected energy storage. While many of the case studies present...
Chernyakhovskiy, I. et al NLR
Dec 31, 2020
Solar Photovoltaics in Severe Weather: Cost Considerations for Storm Hardening PV Systems for Resilience
Solar photovoltaic (PV) power has many advantages as a resilient power source, including the ability to provide power after a natural disaster. While solar arrays often survive severe weather events, systems are occasionally compromised and left unable to provide power. For PV sy...
Elsworth, J. and Van Geet, O. NLR
May 31, 2020
Investigating Multi-Microgrid Black Start Methods Using Grid-Forming Inverters
This paper examines state-of-the-art microgrid (MG) black-start technologies with grid-forming (GFM) inverter-based resources (IBRs) and proposes black start and interconnection methods for 100% inverter-based MGs. A multiple-MG approach is proposed and compared to the existing me...
Fix, E. et al Siemens
Dec 31, 2022
Synchronization of Lienard-Type Oscillators in Heterogenous Electrical Networks
Motivated by potential applications for power-electronic converters in microgrids, we study the problem of global asymptotic synchronization of Lienard-type nonlinear oscillators in heterogenous LTI electrical networks with series R-L circuits modeling interconnections. By heterog...
Johnson, B. et al University of Minnesota
Dec 31, 2017
Community Resilience Options: A Menu for Enhancing Local Energy Resilience
This document highlights areas of potential community resilience improvements, especially those that relate to clean energy deployment for communities and municipalities. The National Renewable Energy Laboratory (NREL) defines resilience as "a system's ability to anticipate, prepa...
Kramer, A. et al NLR
Apr 30, 2023
A Hybrid Data-Driven and Model-Based Anomaly Detection Scheme for DER Operation
This paper proposes a hybrid data and model-based anomaly detection scheme to secure the operation of distributed energy resources (DERs) in distribution grids. Data-driven autoencoders are set up at the edge device level and they use local DER operational data as inputs. The abno...
Yao, Y. et al NLR
Dec 31, 2021
20 Year Daily Average Modeled Velocity and Discharge for Open water Season at Five Communities on Kuskokwim River, Alaska
This dataset from the University of Alaska Fairbanks provides modeled daily average river velocity and discharge data covering 20 years of open-water seasons for five communities along the Kuskokwim River in Alaska. The data support assessments of hydrokinetic energy potential and...
Brown, E. et al University of Alaska Fairbanks
Feb 02, 2023
Modeled Hourly Tidal Current Velocities, Directions, and Heights from May 1 September 1, 2005 at Two Points Near East Forelands and Tyonek in Cook Inlet, Alaska
Collected by the University of Alaska Fairbanks, this data set contains modeled hourly tidal current velocities, directions, and tidal heights from May through September 2005 at two locations near East Forelands and Tyonek in Cook Inlet, Alaska. The data assist in assessing tidal ...
Bond, B. et al University of Alaska Fairbanks
Feb 08, 2023
Valuing Resilience for Microgrids: Challenges, Innovative Approaches, and State Needs
A comprehensive report by NARUC and partners examines how microgrids can enhance resilience and the challenges of valuing that resilience. It clarifies that a microgrid is a group of interconnected loads and distributed energy resources that can operate connected to or islanded fr...
Rickerson, W. et al National Association of Regulatory Utility Commissioners
Jan 31, 2022
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