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Geothermal Heat Pump System Technical Specifications
This FEMP document specifies technical requirements for geothermal heat pump (GHP) systems used in federal buildings. It covers system sizing, efficiency ratings, refrigerants, controls, ground loop design, installation practices, and commissioning procedures. The specifications h...
Program, M. U.S. Department of Energy
Jul 07, 2025
Community Microgrids: A Guide for Mayors and City Leaders Seeking Clean, Reliable and Locally Controlled Energy
This guide from Microgrid Knowledge assists mayors and city leaders in understanding, planning, and developing community microgrids. It explains microgrid concepts, benefits, ownership models, financing options, and policy considerations. The guide offers case studies, practical s...
Microgrid Knowledge
Dec 31, 2016
Considerations for Distributed Energy Resource Integration in Puerto Rico: Analytical Support for Interconnection and IEEE Std 1547-2018
This report documents collaborative efforts by several U.S. national laboratories to support Puerto Rico's integration of distributed energy resources (DER) into its electric grid. The multi-lab team provided technical analyses, grid modeling, and stakeholder engagement to develop...
Narang, D. et al NLR
Jan 31, 2021
MicroGrid Renewable Integration Dispatch and Sizing (MiGRIDS) Analysis of Spinning and Regulating Reserve Options for Wind in an Alaskan Diesel Microgrid
Applies the open-source MicroGrid Renewable Integration Dispatch and Sizing (MiGRIDS) Python tool to assess operating reserve strategies in a wind-diesel microgrid relevant to Alaska. Compares options to reduce diesel spinning reserve and regulating requirements, including optimiz...
VanderMeer, J. et al University of Alaska Fairbanks
Dec 31, 2022
Load Control for Frequency Response A Literature Review
As electricity grids employ greater fractions of renewable energy, which introduce additional variability and uncertainty in the net-load, balancing electrical load and generation becomes more challenging. This paper reviews the literature documenting physical simulations and real...
Anderson, B. et al NLR
Jan 31, 2022
U.S. Operating Geothermal Power Plants
This dataset contains locations of operating geothermal power plants within the United States as of the publication date. Geothermal power plant data was aggregated from SNL Financial LC, the Geothermal Energy Association (GEA), press releases and operator websites. NREL performed...
NLR
Jul 08, 2014
U.S. Developing Geothermal Plants
This dataset contains locations of geothermal power plants in development within the United States as of the publication date and includes attributes for planned capacity. Geothermal developing plant data was aggregated from SNL Financial LC, the Geothermal Energy Association (GEA...
NLR
Aug 03, 2014
U.S. Department of Energy Combined Heat and Power Database
The DOE Combined Heat and Power (CHP) Installation Database, managed by ICF and funded by the U.S. Department of Energy, is the definitive source for information on CHP systems in the United States. Established in 2002 and updated monthly, the database includes installation capaci...
U.S. DOE and ICF
Jul 14, 2025
DC Microgrid Reliability Enhancement with Adaptive Converter Thermal Management
Due to the different device selections, aging levels, and thermal dissipation performance, some converters may take additional thermal stress on switching devices than others in paralleled converter systems, which will reduce system reliability. To address this problem, this paper...
Zhu, X. et al Aalborg University
Dec 31, 2023
Solar Thermoelectricity via Advanced Latent Heat Storage: A Cost-Effective Small-Scale CSP Application
We are developing a novel concentrating solar electricity-generating technology that is both modular and dispatchable. Solar Thermoelectricity via Advanced Latent heat Storage (STEALS) uses concentrated solar flux to generate high-temperature thermal energy, which directly convert...
Glatzmaier, G. et al NLR
Jun 26, 2017
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