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Performance estimation of resonance-enhanced dual-buoy wave energy converter using coupled time-domain simulation

This paper presents the modeling methodology and performance evaluation of the resonance-enhanced dual-buoy WEC (Wave Energy Converter) by HEM (hydrodynamic & electro-magnetic) fully-coupled-dynamics time-domain-simulation program. The numerical results are systematically compared...

Kang, H. et al Texas A&M University

Aug 31, 2020
3 Resources
0 Stars
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Greenbuilt Construction Energy Efficiency Retrofit House Demonstration Sacramento

One of the homes that was part of Sacramento Municipal Utility District's (SMUD) Energy Efficiency Retrofit Demonstration (EERD) project was a 1980's era home in Fair Oaks, California, referred to as the Greenbuilt house, as Greenbuilt Construction completed the retrofit of the h...

Sparn, B. et al Mountain Energy Partnership

Aug 27, 2018
8 Resources
0 Stars
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2014 Wind Turbine Gearbox Damage Distribution based on the NREL Gearbox Reliability Database

Despite the improvements in wind turbine gearbox design and manufacturing practices, the wind industry is still challenged by premature wind turbine gearbox failures. To help address this industry-wide challenge, a consortium called the Gearbox Reliability Collaborative (GRC) was ...

Sheng, S. National Renewable Energy Laboratory

Feb 09, 2015
1 Resources
0 Stars
In curation

Wind Turbine Gearbox Condition Monitoring Vibration Analysis Benchmarking Datasets

Wind turbine condition monitoring (CM) can potentially help the wind industry reduce turbine downtime and operation and maintenance (O&M) cost. NREL CM research has investigated various condition-monitoring techniques such as acoustic emission (AE specifically stress wave), vibrat...

Sheng, S. National Renewable Energy Laboratory

Mar 28, 2014
5 Resources
2 Stars
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Greenbelt Homes Pilot Program: Summary of Building Envelope Retrofits, Planned HVAC Equipment Upgrades, and Energy Savings

In fall 2010, Greenbelt Homes, Inc. (GHI) a 1,566-home cooperative of circa 1930-1940 homes in Greenbelt, Maryland, undertook a multiyear pilot energy efficiency retrofit project. GHI established this pilot project as a basis for decision making for the rollout of a decade-long co...

Mallay, D. et al Home Innovation Research Labs National Association of Home Builders

Jul 21, 2016
4 Resources
0 Stars
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A National Thermal Generator Performance Database

This submission contains cleaned and filtered data from the Environmental Protection Agency Clean Air Markets CAM database of thermal power plant operation and performance.

Rossol, . et al National Renewable Energy Laboratory

Dec 05, 2018
22 Resources
0 Stars
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Measured Performance of a Varied Airflow Small-Diameter Duct System

In this study, researchers with the U.S. Department of Energy's Building America team IBACOS built on research previously done in two new-construction unoccupied test houses-one in Pittsburgh, Pennsylvania (Poerschke and Stecher 2014) and one in Fresno, California (Stecher and Poe...

Poerschke, A. Ibacos Innovation

Apr 27, 2016
5 Resources
0 Stars
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Control-based optimization for tethered tidal kite

This submission includes three peer-reviewed (under review) papers from the researchers at North Carolina State University presenting control-based techniques to maximize effectiveness of a tethered tidal kite. Below are the abstracts of each file included in the submission. Cobb...

Vermillion, C. et al North Carolina State University

Mar 02, 2020
3 Resources
0 Stars
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Comfort in High-Performance Homes in a Hot-Humid Climate

TO5 2.3.2: Large-Scale Temperature Study Although space-conditioning systems are required to meet standards such as those in the Air Conditioning Contractors of America (ACCA) Manual RS (Rutkowski 1997) and the ASHRAE Standard 55 (ASHRAE 2013) comfort criteria, little is known ab...

Poerschke, A. and Beach, R. Ibacos Innovation

Apr 27, 2016
3 Resources
0 Stars
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Risk Management Plan and Risk Register for Design Low-Power Wave Energy Converter for Non-Grid Applications

Risk Registers for major subsystems completed according to the methodology described in the Risk Management Plan [DE-EE0008627 D1.2 Risk Management Plan PD v1.1 07-19-2019.pdf], also included here.

Amon, E. Columbia Power Technologies, Inc.

Jul 19, 2019
17 Resources
0 Stars
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Solar-to-Grid Public Data File for Utility-scale (UPV) and Distributed Photovoltaics (DPV) Generation, Capacity Credit, and Value for 2012-2020

Lawrence Berkeley National Laboratory (Berkeley Lab) estimates hourly project-level generation data for utility-scale solar projects and hourly county-level generation data for residential and non-residential distributed photovoltaic (PV) systems in the seven organized wholesale m...

Seel, J. et al Lawrence Berkeley National Lab

Oct 01, 2021
4 Resources
1 Stars
Publicly accessible

StingRAY WEC Risk Register

Risk Registers for major subsystems of the StingRAY WEC completed in compliance with the DOE Risk Management Framework developed by NREL.

Rhinefrank, K. Columbia Power Technologies, Inc.

Feb 24, 2017
18 Resources
0 Stars
Publicly accessible

Solar-to-Grid Public Data File for Utility-scale (UPV) and Distributed Photovoltaics (DPV) Generation, Capacity Credit, and Value

Seel, J. et al Lawrence Berkeley National Lab

Sep 30, 2020
5 Resources
0 Stars
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UNH TDP Concurrent Measurements of Inflow, Power Performance, and Loads for a Grid-Synchronized Vertical Axis Cross-Flow Turbine Operating in a Tidal Estuary

This data was collected between October 12 and December 15 of 2021 at the University of New Hampshire (UNH) and Atlantic Marine Energy Center (AMEC) turbine deployment platform (TDP). This data set includes over 29 days of grid connected turbine operation during this 65 day time f...

Wosnik, M. et al National Renewable Energy Laboratory

Dec 21, 2021
30 Resources
0 Stars
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Form EIA-861, "Annual Electric Power Industry Report."

This is an electric utility data file that includes such information as peak load, generation, electric purchases, sales, revenues, customer counts and demand-side management programs, green pricing and net metering programs, and distributed generation capacity. The data sou...

Aabakken, J. and Laboratory, N. National Renewable Energy Laboratory

Nov 25, 2014
4 Resources
0 Stars
In curation

Unified Field Study 7 (UFS-7)

The Unified Field Studies (UFS), established by the Algae Testbed Public-Private Partnership (ATP3), produced data on the effect of environmental and process conditions on algal growth rates and algal composition. The goal of the seventh Unified Field Study (UFS-7), performed June...

Wolfrum, E. et al National Renewable Energy Laboratory

Oct 20, 2017
18 Resources
0 Stars
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StingRAY Updated WEC Risk Registers

Updated Risk Registers for major subsystems of the StingRAY WEC completed according to the methodology described in compliance with the DOE Risk Management Framework developed by NREL.

Rhinefrank, K. and Ondusko, M. Columbia Power Technologies, Inc.

Jun 27, 2018
17 Resources
0 Stars
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Commercial and Residential Hourly Load Profiles for all TMY3 Locations in the United States

Note: This dataset has been superseded by the dataset found at "End-Use Load Profiles for the U.S. Building Stock" (submission 4520; linked in the submission resources), which is a comprehensive and validated representation of hourly load profiles in the U.S. commercial and reside...

Ong, S. and Clark, N. National Renewable Energy Laboratory

Nov 25, 2014
22 Resources
1 Stars
Publicly accessible

Geothermal Case Studies on OpenEI

This submission contains links to Geothermal Areas on OpenEI that were completed as part of an effort to gather clean, unbiased information on which to build geothermal drilling prospects. The specific areas that were part of this focused effort, or *case studies*, are linked ind...

Young, K. National Renewable Energy Laboratory

Sep 30, 2014
19 Resources
0 Stars
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Geothermal Mineral Alterations in Brady and Desert Peak

Results of the analysis of HyMap's spectra against know hydrothermally altered minerals in the Brady-Desert Peak Geothermal Areas. This is the post-processing results and final analysis results of applying target detection algorithms and then fusing the results.

Moraga, J. Colorado School of Mines

May 15, 2021
22 Resources
0 Stars
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2019 Geothermal Market Report Fact Sheet

The 2020 U.S. Geothermal Power Production and District Heating Market Report is being developed by the National Renewable Energy Laboratory and Geothermal Rising, previously Geothermal Resources Council (GRC), with support from the Geothermal Technologies Office of the U.S. Depart...

Robins, J. et al National Renewable Energy Laboratory

Oct 01, 2020
1 Resources
0 Stars
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Geothermal Development and the Use of Categorical Exclusions Under NEPA

This study focuses primarily on the Categorial Exclusions (CX) process and its applicability to geothermal exploration. In this paper, we: Provide generalized background information on CXs, including previous NEPA reports addressing CXs, the process for developing CXs, and the ro...

Young, K. and Levine, A. National Renewable Energy Laboratory

Sep 30, 2014
4 Resources
0 Stars
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Economic Impact of Permitting Timelines on Produced Geothermal Power

Despite having a large geothermal power potential in the United States, only a small fraction has been developed for power generation. Various barriers, including technical, financial, and regulatory permit delays, are attributed to lower contribution of geothermal energy in the n...

Neupane, G. and Adhikari, B. Idaho National Laboratory

Feb 15, 2022
3 Resources
0 Stars
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2D Seismic Reflection Survey Crump Geyser Geothermal Prospect Warner Valley, Oregon

2D Seismic Reflection Survey from Crump Geyser Geothermal Prospect in Warner Valley, Oregon

Smith, N. and Company, N. National Renewable Energy Laboratory

Jun 10, 2015
4 Resources
0 Stars
In curation

US Geothermal Electricity and Heat Market Analysis and Report

The power production data from FY19 is provided for U.S. geothermal power plants. The spreadsheet includes the plant name and type, nameplate capacity, summer capacity, winter capacity, and net generation for each power plant.