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Kauai Island Utility Cooperative: The Impact of Extensive PV Penetration
This case study analyzes how extensive penetration of solar photovoltaic generation has affected the Kauai Island Utility Cooperative's distribution system. It covers impacts on voltage regulation, frequency stability, and curtailment, and describes measures the utility implemente...
Lovas, T. National Rural Electric Cooperative Association
Jun 30, 2015
Lessons Learned from Energy Commission Microgrid Projects : Best Practices from EPIC PON-14-301 Grant Recipients
Microgrid demonstration and implementation is a major focus for the California Energy Commission and has been supported by funds administered by the commission under the Electric Program Investment Charge (EPIC) program for the past 10 years. Seven EPIC-funded microgrid projects f...
Vogel, L. et al Navigant Consulting Inc.
May 31, 2024
Levelized Cost of Energy Calculator
This online calculator from NREL allows users to estimate the levelized cost of energy (LCOE) for a wide range of technologies, including solar, wind, storage, and conventional generation. Users input parameters such as capital cost, operating and maintenance cost, capacity factor...
NLR
Mar 30, 2026
Automated Transit Fleet Electrification Planning in Response to Route Dynamics, Vehicle Utilization, and Local Climate
Transit electrification is difficult, requiring the consideration of many factors including route dynamics, vehicle utilization, and local ambient temperatures. Incumbent planning tools typically rely upon static vehicle efficiency numbers which do not consider local factors speci...
Ficenec, K. et al NLR
May 31, 2021
Cambium 2024 Scenario Descriptions and Documentation
This document provides detailed descriptions of the scenarios featured in NREL's 2024 Cambium data set. It explains assumptions about technology costs, policy environments, and demand projections that shape the future electricity sector scenarios. The documentation helps users int...
Gagnon, P. et al NLR
Mar 31, 2025
Cyber Security Assessment of Distributed Energy Resources
New distributed energy resource (DER) interconnection standards require communications and interoperability to provide grid operators greater flexibility for delivering voltage and frequency support. These communication channels are designed to allow utilities, aggregators, and ot...
Carter, C. et al Sandia National Laboratories
May 31, 2017
Aligning Distributed Energy Resources Interconnection Policy and Regulation in New Orleans
This slide deck examines efforts to align distributed energy resource interconnection policies and regulatory frameworks in the City of New Orleans. It describes the existing interconnection process, identifies gaps and challenges, and details the steps taken by regulators, utilit...
Ingram, M. and Smith, A. NLR
Sep 19, 2023
Southwest Wind Power RandD Test Site Development at the National Wind Technology Center: Cooperative Research and Development Final Report, CRADA Number CRD-12-00472
Southwest Windpower, Inc. (SWWP) has been designing and distributing small wind turbines for more than 22 years and is the recognized global leader in the design, manufacturing and distribution of small wind systems (400-3000 watts). The company has been a pioneer in the developme...
Jager, D. and Huskey, A. NLR
Jul 31, 2020
Unleashing the Frequency: Multi-Megawatt Demonstration of 100% Renewable Power Systems with Decentralized Communication-Less Control Scheme
Power systems, which range in size from small microgrids to island systems to large regional grids, are typically managed by a central controller that requires complex communication methods and can be unreliable and pose cyber security risks in certain applications, especially whe...
Koralewicz, P. et al NLR
Aug 31, 2022
Introducing Small Scale Waste-to-Energy Technology in Microgrids: Cooperative Research and Development Final Report, CRADA Number CRD-17-00703
Cogent has developed an innovative, proprietary waste-to-energy (WTE) system, the HelioStorm(TM) Gasifier, capable of efficiently operating on small amounts of heterogeneous municipal solid waste feedstocks, converting them into a clean syngas that can be used to fuel an electrici...
Kramer, B. NLR
Feb 28, 2022
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