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Diesel Generator Controller Evaluation via Controller-Hardware-in-the-Loop for Various Microgrid Operation Modes
This paper presents the Controller-Hardware-in-the-Loop (CHIL) evaluation of a diesel generator controller for various microgrid operation modes. The model of the diesel generator (governor, exciter, and primary control) is simulated in real time, and the secondary control is impl...
Wang, J. et al NLR
Jan 31, 2019
Battery Energy Storage System Procurement Checklist
This FEMP checklist offers project managers a structured list of considerations for procuring battery energy storage systems. It addresses system sizing, application requirements, technical specifications, vendor qualifications, safety standards, warranties, commissioning, and mai...
U.S. Department of Energy
Jul 07, 2024
On-Site Wind Energy Project Feasibility Checklist
Provided by FEMP, this checklist helps organizations evaluate whether an on-site wind energy project is viable. It covers technical considerations such as wind resource assessment, site suitability, interconnection, and equipment selection, as well as economic, environmental, and ...
Program, M. U.S. Department of Energy
Mar 21, 2023
NREL's PVWatts Calculator
PVWatts is an easy to use calculator from NREL that estimates the annual energy output and levelized cost of electricity for a grid connected photovoltaic system based on system size, location, array tilt, and basic performance assumptions. It uses National Solar Radiation Databas...
NLR
Dec 31, 2024
Igiugig’s Journey Toward Sustainability
This case study chronicles the efforts of the Igiugig Village Council, NREL, and Deerstone Consulting to transition the remote Alaska community toward sustainable energy solutions. It describes projects such as renewable microgrid installations, energy efficiency improvements, cap...
Salmon, A. et al Igiugig Village Council
Nov 30, 2022
Portal and Repository for Information on Marine Renewable Energy
Hosted on the PRIMRE platform, the Marine Energy Project Database is an OpenEI resource that compiles information on wave, tidal, and other marine energy projects worldwide. Users can browse or search for projects by technology type, location, developer, and development stage. Eac...
NREL, P. NLR
Aug 16, 2025
BioPower Atlas
NREL's BioPower Atlas is a web-based tool that visualizes the spatial distribution of biomass resources and existing infrastructure related to bioenergy production. Users can view layers showing the availability of crop residues, forest residues, animal manure, and other feedstock...
NLR
Jul 28, 2022
Regulating Voltage: Recommendations for Smart Inverters
This report from GridLab provides recommendations for regulators and utilities on leveraging the advanced capabilities of smart inverters to manage voltage on distribution networks with high penetrations of solar and other DERs. It explains how functions such as volt VAR, frequenc...
O’Connell, R. et al GridLab
Sep 11, 2019
Resource Planning Portal
Lawrence Berkeley National Laboratory's Resource Planning Portal centralizes publicly available integrated resource plans, procurement solicitations, and related planning documents from utilities and regional grid operators. Users can search by utility, state, filing year, resourc...
Laboratory, N. Lawrence Berkeley National Laboratory
Dec 31, 2025
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
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