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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
Resilient Node Cluster Analysis Tool (ReNCAT)
The Resilient Node Cluster Analysis Tool (ReNCAT) is an optimization‑based desktop application developed by Sandia National Laboratories to support community‑scale resilience planning. ReNCAT combines distribution system topology, critical‑infrastructure locations (such as h...
Sandia National Laboratories
Dec 31, 2025
HYDRA
HYDRA (Hydropower Resource Assessment Tool) developed by NREL analyzes stream gauge data, topography, and land use to identify locations where new run-of-river or conduit hydropower projects might be feasible. The tool evaluates technical potential by estimating head, flow, and th...
NLR
Mar 30, 2026
Cybersecurity of DER Systems: Cybersecurity Training for State Commissions
NARUC regularly hosts multi-day cybersecurity training events for commissioners and their staff to gain knowledge of IT/OT technologies, understand the spectrum of state and federal approaches to cybersecurity, and explore cybersecurity cost recovery challenges and innovative solu...
Miller, J. and Saleem, D. U.S. Department of Energy
Jan 25, 2022
Cybersecurity Baselines for Electric Distribution Systems and DER
Defines baseline controls electric distribution utilities and DER operators should adopt and provides interim guidance for asset scoping and prioritization. Intended as a common starting point for regulators and utilities to align risk management programs.
U.S. Department of Energy, N.
Jan 31, 2024
HEM: Holistic Electricity Model
HEM is a holistic electricity system model developed by NREL that integrates multiple modules to simulate generation, transmission, distribution, and market operations. It allows researchers to evaluate the impacts of policy changes, technology costs, and system constraints on gri...
NLR
Apr 20, 2025
ResStock Analysis Tool
The ResStock Analysis Tool developed by NREL models energy consumption and retrofit opportunities across the U.S. residential building stock. It uses statistical sampling, building physics, and utility data to simulate performance for millions of representative homes. Users can ev...
NLR
Jun 22, 2025
Community Solar Scenario Tool
The Community Solar Scenario Tool (CSST) developed by NREL allows users to model different community solar program designs and assess their impacts on subscribers and utility finances. It calculates bill savings, project revenues, and costs under various subscription structures, i...
NLR
Aug 23, 2025
Engage Energy Modeling Tool
Engage is an interactive web-based tool from NREL that enables communities to model different energy scenarios and explore pathways toward renewable energy and emissions reduction goals. Users can simulate the effects of energy efficiency, renewable generation, storage, and transp...
NLR
Mar 18, 2025
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