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Ground Source Heat Pump Parameter Survey

Jul 31, 2013
1.42 MB
Publicly accessible
The purpose of this report is to investigate the effects of various parameters in a horizontal loop geothermal heat pump system. The obtained values include the temperature distribution over the entire system as well as the exiting temperature and bulk heat rate of the fluid. The ...
Authors
Gray, E. Wright State University
geothermalground source heat pumpparameter surveyeffect of specific heateffect of thermal conductivityeffect of pipe diametereffect of pipe lengtheffect of fluid velocitysurvey results

Coupling Subsurface and Above-Surface Models for Optimizing the Design of Borefields and District Heating and Cooling Systems

Jan 31, 2022
1.45 GB
Publicly accessible
Accurate dynamic energy simulation is important for the design and sizing of district heating and cooling systems with geothermal heat exchange for seasonal energy storage. Current modeling approaches in building and district energy simulation tools typically consider heat conduct...
Authors
Hu, J. et al Lawrence Berkeley National Laboratory
geothermal bofieldenergymodelica buildings librarytoughcouplingdistrict energy systemdistrict heatingdistrict coolinggeothermalborefieldsimulationmodelmodelingoptimizationenergy storageseasonal energy storagegeothermal heat exchangeground source heat pumpgshpcodepythonmodelica

GEO3D Three-Dimensional Computer Model of a Ground Source Heat Pump System

Jun 07, 2013
525.02 kB
Publicly accessible
This file is the setup file for GEO3D, a computer program written by Jim Menart to simulate vertical wells in conjunction with a heat pump for ground source heat pump (GSHP) systems. This is a very detailed three-dimensional computer model. This program produces detailed heat tran...
Authors
Menart, J. Wright State University
geothermalground source heat pump systemscomputer programvertical geothermal wellgeo3dvertical gshp systemcomputer model3d modelheat pumpground source heat pump computer programheat pumpsgshpheattransfercodeprogram3dthree dimensional

Final Report Earth Source Heat: A Cascaded Systems Approach to DDU of Geothermal Energy on the Cornell Campus

Oct 27, 2019
4.08 MB
Publicly accessible
The purpose of this document is to describe the contents contained within Geothermal Data Repository (GDR) node of the National Geothermal Data System (NGDS) that serves as the final report for the project "Earth Source Heat: A Cascaded Systems Approach to DDU of Geothermal Energy...
Authors
Tester, J. et al Cornell University
geothermalenergycornell universitydistrict heatingdirect-use heatingappalachian basinnew york statelow-temperature geothermalreservoir simulationtechno-economic analysisuncertainty analysisexternality valuesenvironmental valueeconomic valuedirect useddulevelized cost of heatlcoheconomiceaheat pumpghptemperatureearth source heatsubsurface data

GEO2D Two-Dimensional Computer Model of a Ground Source Heat Pump System

Jun 07, 2013
23.23 MB
Publicly accessible
This file contains a zipped file that contains many files required to run GEO2D. GEO2D is a computer code for simulating ground source heat pump (GSHP) systems in two-dimensions. GEO2D performs a detailed finite difference simulation of the heat transfer occurring within the worki...
Authors
Menart, J. Wright State University
geothermalground source heat pump systemcomputer codevertical geothermal wellhorizontal geothermal wellgeo2dfinite differencecomputer modelheat pumpsgshpsoftwarematlab2dtwo dimensional

Appalachian Basin Temperature-Depth Maps and Structured Data in support of Feasibility Study of Direct District Heating for the Cornell Campus Utilizing Deep Geothermal Energy

Oct 29, 2019
229.82 MB
Publicly accessible
This dataset contains shapefiles and rasters that summarize the results of a stochastic analysis of temperatures at depth in the Appalachian Basin states of New York, Pennsylvania, and West Virginia. This analysis provides an update to the temperature-at-depth maps provided in the...
Authors
Smith, J. Cornell University
geothermalenergycornell universitylow-temperature geothermalreservoir simulationuncertainty analysisthermal datadistrict heatingdirect-use heatingdduappalachian basinnew york statetechno-economic analysislevelized cost of heat lcohexternality valuesenvironmental valuemonte carlo analysismonte carloeconomiceaheat pumpghpshapefilerastercornellgeospatial data

Subsurface Geological Information and Models in support of Feasibility Study of Direct District Heating for the Cornell Campus Utilizing Deep Geothermal Energy

Oct 27, 2019
3.29 MB
Publicly accessible
This purpose of this set of entries is to group together the materials and analytical methods used in the assessment of the natural rock properties within and surrounding two potential reservoirs.
Authors
Jordan, T. et al Cornell University
geothermalenergycornell universitylow-temperature geothermalreservoir simulationuncertainty analysisdistrict heatingdirect useappalachian basinnew york statetechno-economic analysislevelized cost of heat lcohexternality valuesenvironmental valueeconomic valueddueaenvironmentenvironmentalassessmenttemperaturelcohlevelized cost of heateffective porosityheat pumpghpwell datacharacterizationshale neutron porositycornell

Community Geothermal: Soil Conductivity, Borehole Design, Energy Models, and Load Data for a Residential System Development Hinesburg, VT

Aug 30, 2024
743.47 MB
Publicly accessible
This dataset contains materials from the Coalition for Community-Supported Affordable Geothermal Energy Systems (C2SAGES) project, which evaluated the techno-economic feasibility of a community geothermal system for a residential development in Hinesburg, VT. The dataset includes ...
Authors
Jogineedi, R. et al GTI Energy
geothermalenergycommunity geothermalgeothermal sizingborehole testinggeothermal heat pumpworkforce developmentbuilding energy modelingground heat exchangergeothermal network designcommunity engagementcommgeohinesburgvermontmodelicaenergyplusonepipepythonmodelingthermal conductivity testreportenergy modelborehole designhourly energy loadssizinggeothermal loop sizingsystem designdevelopment

Cornell Ithaca Campus heat use data for a model year

Nov 13, 2019
2.07 MB
Publicly accessible
Hourly steam use data for all significant buildings from the fiscal year (FY) 2017 (1 July 2016 30 June 2017) are provided. The total annual campus heating load in FY 2017 was about 0.81 trillion Btu (283,000 MWth-hrs). The data are presented as a spreadsheet, detailing on an ho...
Authors
Beyers, S. and Gustafson, J. Cornell University
geothermalenergycornell universitydistrict heatingdirect-use heatingnew york stateenergy meteringbuilding heat demandappalachian basinlow-temperature geothermalddusteam datadirect useheat pumpghptemperatureearth source heateaenvironmentenvironmentalassessmentheatingsteam use data

Low-Temperature Geothermal Geospatial Datasets: An Example from Alaska

Feb 06, 2023
242.5 MB
Publicly accessible
This project is a component of a broader effort focused on geothermal heating and cooling (GHC) with the aim of illustrating the numerous benefits of incorporating GHC and geothermal heat exchange (GHX) into community energy planning and national decarbonization strategies. To bet...
Authors
Davalos Elizondo, E. et al National Renewable Energy Laboratory
geothermalenergylow temperaturegeothermal resourcesdatasetheat flowthermal conductivitybottom-hole temperaturegeoreportrsatheat pumpghpgeothermal heat exchangelow tempgeologygeophysicsoil and gaswellgeospatial dataghcghxgeothermal heating and coolingalaskaresearch size assessment tool

G-Function Library for Modeling Vertical Bore Ground Heat Exchanger

Jun 30, 2021
234.14 MB
Publicly accessible
This library contains g-functions (thermal response functions) for standard, regularly spaced vertical borehole ground heat exchangers. In total, it contains 34, 321 configurations. To permit interpolation, each configuration has g-functions for heights of 24, 48, 96, 192, and 384...
Authors
Spitler, J. et al Oak Ridge National Laboratory
geothermalenergyheat pumpground heat exchangerg-functionlibrarythermal response functionssimulationground heat pumpghpmodelheat exchanger

Community Resilience through Low-Temperature Geothermal Reservoir Thermal Energy Storage

Jan 29, 2022
912.28 MB
Publicly accessible
Submitted data include simulations related to underground thermal battery (UTB) simulations described in Modeling and efficiency study of large scale underground thermal battery deployment, presented at GRC, October 2021. The UTB is comprised of a tank of water, a helical heat ex...
Authors
Nico, P. et al Lawrence Berkeley National Laboratory
geothermalenergyground source heat pumpgshpheat pumpunderground thermal batteryutbthermal storagephase change materialheat exchangermodelsimulationmodelingenergy storagebatteryalternative technologyperformance modelcost reductionlow-cost alternative

United States Geothermal Heat Pump Installations Database 2025

Sep 29, 2023
7.08 MB
Publicly accessible
This dataset documents U.S. geothermal heat pump (GHP) installations and was compiled as part of the 2025 Geothermal Market Report from the National Renewable Energy Laboratory (NREL). Records were sourced primarily from public drilling permits and include location information (ci...
Authors
Pauling, H. et al National Laboratory of the Rockies
geothermalheat pumpsghpinstallation databaseunited statesmarket report2025geothermal heat pumpground source heat pumpboreholedrilling permitsheating and coolingbuilding systemsprocessed datadatabaseborehole depthsystem capacitysystem configurationnumber of boreholes

GeoVision: Harnessing the Heat Beneath Our Feet Analysis Inputs and Results

Sep 30, 2019
29.51 MB
Publicly accessible
This submission includes input and results data from analysis done as part of the Geothermal Technology Office's Geothermal Vision Study (GeoVision). The submission includes data for both analysis of the electricity sector and the heating and cooling sector. For the electricity se...
Authors
Geothermal Technologies Office, U. National Renewable Energy Laboratory
geothermalenergygeovisionreeds modeldgeo modelfuture scenariosresource potentialcapacity expansionmodelingsystems analysisghpground source heat pumpgeothermal conductivitygeographic information systemgisgtcdistributed energy resourcesdersdistributed geothermal market demand modelnrelregional energy deployment systemrenewable analysiswater use analysissupply curve inputselectricity sectorair quality impactswater impacts

U.S. Geothermal Heat Pump Siting Regulation and Zoning Ordinances (2026)

Sep 21, 2026
95.6 MB
Curated
This is a collection of documented state and local ordinances governing geothermal heat pumps (GHPs), ground-source heat pumps, and related geothermal exchange wells and loop systems throughout the United States. The data were compiled using the Infrastructure Continuous Ordinance...
Authors
Pinchuk, P. et al National Laboratory of the Rockies
geothermalheatpumpexchangegeo-exchangeheatingcoolingwellclosed loopopen loophorizontal loopvertical loopordinanceregulationsetbacknoisepermittingaillmcompassinfra-compassmachine readablegeothermal heat pumpghpartificial intelligenceheating and cooling

An HPC-Based Hydrothermal Finite Element Simulator for Modeling Underground Geothermal Behavior with Example Simulations on The Treasure Island and UC Berkeley Campus

Aug 01, 2021
186.08 MB
Publicly accessible
This submission contains the source code of the Hydrothermal Finite Element Simulator used for the Treasure Island and UC Berkeley campus geothermal simulation. It contains a report that summarizes the development and validation of this Hydrothermal Finite Element Simulator, with ...
Authors
Chen, K. et al Lawrence Berkeley National Laboratory
geothermalenergyfinite elementcoupled hydrothermal modelingcommunity scaleground source heat pumpparallel computingdeal.iidistrict heating and cooling systemsubsurface heat responsetreasure islanduc berkeley campuscsimulationuc berkeleydistrict heatingdistrict coolingenergy deliverygeothermal storagegoethermal energy storageenergy storage

Community Geothermal: Planning and Design of a Heating and Cooling System in Framingham, Massachusetts

Sep 01, 2024
3.57 MB
Publicly accessible
These reports, plans, and drawings review the achievements of Home Energy Efficiency Team (HEET) and its partners to plan and design a network of interconnected ground-source heat pump systems, or geothermal network, in an area encompassing multiple environmental justice (EJ) neig...
Authors
Varela Gutierrez, I. et al Home Energy Efficiency Team (HEET)
geothermalenergyheatingcoolingcommunitydesignstakeholdercommgeoheetenvironmental justiceground source heat pumpgshpframinghammassachusettsinterconnected loopsexpansion loopmonitoringmeteringoperationsmaintenancepermittingplanreport

Lancaster County Adult Detention Facility Geothermal Well Field Configuration

Feb 24, 2009
3.39 MB
Publicly accessible
Drawing showing the configuration of 667 bore holes drilled to depth of 300 ft. for the Lancaster County Adult Detention Facility geothermal heat pump system.
Authors
Davlin, T. District Energy Corporation
geothermalground source heat pumpgeothermal heat pumpghpsite maptopographiclancaster countyadult detention facilitylincolnnebraska

Community Geothermal: Borefield Design, Thermal Conductivity, and Subsurface Modeling Data Chicago, IL

Dec 04, 2023
117.3 MB
Publicly accessible
This dataset encompasses the development of a geothermal energy system for the West Woodlawn neighborhood in Chicago, Illinois. This project is part of a broader initiative to design and deploy geothermal heating and cooling systems at a community scale. The dataset includes therm...
Authors
Baser, T. et al Saint Louis University
geothermalenergysustainablecommunity scalethermal conductivitynumerical modelingashraeefficient designchicagocommgeocommunity geothermalborefieldheating and coolingmodelingthermal conductivity testthermal loadsbuilding loadscomsolprocessed databorehole sizing

Procurement Options for Low Temperature Geothermal Technologies at Federal Facilities

Sep 30, 2023
Size unavailable
Publicly accessible
Included here are access links to a report on procurement options for low temperature geothermal technologies at federal facilities from Pacific Northwest National Laboratory. Federal agencies are moving towards more efficient and resilient facilities by increasingly implementing...
Authors
Heiland, M. et al Pacific Northwest National Laboratory
geothermalenergyfederal facilitiesprocurementgeothermal heat pumpsbuildingslow temperature geothermalghptechnical reportheating and coolingdistrict heatingenergy saving performance contractsespchvac

End Use Load Profile (EULP) of US Building Sector resulting from mass GHP retrofits

Apr 15, 2023
239.96 MB
Publicly accessible
This collection of datasets describes the change (difference) in hourly energy consumption of the U.S. residential and commercial building stock while replacing existing HVAC systems with ground source heat pumps for all the balancing areas in the US, for all buildings eligible fo...
Authors
Liu, X. et al Oak Ridge National Laboratory
geothermalenergyeulpbuildingresidentialcommercialnationwideheat pumpghpend use load profiletechnicalassessmentlong-termprocessed data

Community Geothermal: Community Thermal Energy Network Report and Design Drawings Carbondale, CO

Sep 30, 2024
16.44 MB
Publicly accessible
This dataset provides an overview of the design, development, and technical specifications of for a community-scale geothermal heating and cooling system in Carbondale, Colorado. This thermal energy network (TEN) within the town's Three-Two Zero Energy District (32ZED) is part of ...
Authors
Fox-Rubin, J. Clean Energy Economy for the Region (CLEER)
geothermalenergycommgeocase studydesign drawingsretrofitthermal energy networkten32zedtechnical reportcommunity engagementambient temperature loopborefieldhigh temperature loopmechanicalelectricaldesignsspecificationsatlhtlpumpsheat pumpsblueprintscarbondalecolorado

Ground Source Heat Pump Screening Tool and Related Resources

Dec 30, 2024
12.86 MB
Publicly accessible
This archive contains both a link to Oak Ridge National Laboratory's Ground Source Heat Pump (GSHP) Screening Tool and related resources documenting its development, technical features, and applications. The web-based screening tool is a techno-economic analysis resource designed ...
Authors
Liu, X. and Anand, J. Oak Ridge National Laboratory
geothermalenergyground source heat pumpgshpoak ridge national laboratoryornltechno-economicanalysisteafeasibilityclimate zoneshvacsystem designweb-basedpublicationsgshp performanceeconomic viabilityground heat exchangerdesignheat pumpgeothermal heat pumpclosed-loopscreening tool

Community Geothermal: Final Thermal Conductivity Test Report and Data Logs Carbondale, CO

Oct 20, 2023
1.71 MB
Publicly accessible
Provided here are a final thermal conductivity test report, a drilling log, and a heat rejection log from Carbondale, CO. Also attached is a report made before drilling, which contains predictions on the hydrogeologic conditions of the drill site. The forty-eight (48.9) hour in-si...
Authors
Ewbank, G. et al Clean Energy Economy for the Region (CLEER)
geothermalcarbondalecoloradothermal conductivitytestin-situcommunity geothermalgeothermal heat exchangerghexdrill logheat of rejectiondeep earth temperaturehydrogeologytechnical reportboreholehdpe loopborehole resistancethermal diffusivitygshpcommgeo

Hourly Electrical Load, Cooling Load, and Ground Heat Exchanger Performance Profiles for College Buildings in Puerto Rico

Sep 08, 2026
1.56 MB
Publicly accessible
This dataset provides the numerical source data underlying selected figures in an associated study of cooling system performance for college buildings at the University of Puerto Rico at Rio Piedras. The data include modeled cooling demand, ground heat exchanger temperatures and t...
Authors
Oh, H. et al National Laboratory of the Rockies
geothermalenergyheating and coolingcooling loadsload profilepuerto ricogeothermal heat exchangeropen-loop heat exchangerground heat exchangercold utesgeotessutraenergyplusmodeled databuilding coolingcooling loadchiller performancecopcoefficient of performanceelectricity consumptioncooling towerwater consumptionbuilding energy modelingsimulation dataprocessed data
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