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PREESAT: Puerto Rico Energy Efficiency Scenario Analysis Tool
The Puerto Rico Energy Efficiency Scenario Analysis Tool (PREESAT) developed by NREL allows policymakers and stakeholders to model the impacts of energy efficiency measures on Puerto Rico's energy consumption and economic development. Users can explore scenarios for different sect...
NLR
Mar 18, 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
Wind Supply Curves
NREL's wind supply curve tool compiles high resolution wind resource data and transmission information to produce supply curves that show the relationship between wind resource quality, capacity, and cost. The interactive map and downloadable dataset help analysts and developers i...
NLR
Mar 25, 2025
An Updated Review of the Solar PV Installation Workforce Literature
NREL literature review synthesizing research on the U.S. PV installation workforce, including job trends, skills and training needs, productivity and safety practices, and barriers to entry and advancement. The review assesses evidence on wages, job quality, and diversity and high...
Gadzanku, S. et al NLR
Mar 31, 2023
Managing and Mitigating Solar PV Corrosion
This document, developed by NARUC and the National Association of State Energy Officials (NASEO), advises state energy offices and public utility commissions on the role of clean energy microgrids. It discusses policy considerations, regulatory frameworks, funding mechanisms, and ...
Program, M. U.S. Department of Energy
Dec 31, 2025
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
U.S. Department of Energy Microgrid Installation Databases
Established in 2018 and maintained by ICF for the U.S. Department of Energy, the Microgrid Installation Database is the most comprehensive inventory of microgrids in the United States. The online tool catalogs microgrid projects by location, capacity, technology composition, opera...
U.S. DOE and ICF
Jul 14, 2025
Detailed Summary Maps
DSIRE's Detailed Summary Maps provide high-level overviews of energy policies and incentives across all U.S. states and territories. The maps categorize policies such as renewable portfolio standards, net-metering rules, interconnection standards, and energy efficiency resource st...
NC State University, N.
Dec 31, 2025
Solar Supply Curves
Like the wind supply curves, NREL's solar supply curve dataset integrates high resolution solar resource data, land-use constraints, and cost assumptions to estimate the potential capacity and levelized cost of solar photovoltaic development across the United States. The interacti...
NLR
Jan 06, 2025
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
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