Jeff Dagle
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View article: Modeling Puerto Rico Grid’s Sequential Failures for Hurricanes Using Electric Grid Resilience & Assessment System (EGRASS) Tool and Dynamic Contingency Analysis Tool (DCAT)
Modeling Puerto Rico Grid’s Sequential Failures for Hurricanes Using Electric Grid Resilience & Assessment System (EGRASS) Tool and Dynamic Contingency Analysis Tool (DCAT) Open
The increasing intensity and frequency of extreme events have raised significant concerns about the electrical grid’s resilience. Numerous extreme events such as hurricanes, tornadoes, earthquakes, geomagnetic storms, high-altitude electro…
View article: A Hybrid Dynamic/Steady-State Tool With Protection Simulation for Cascading-Outage Analysis of Extreme Events in Power Systems
A Hybrid Dynamic/Steady-State Tool With Protection Simulation for Cascading-Outage Analysis of Extreme Events in Power Systems Open
Large portions of the electrical power grid are susceptible to component failures that when combined with certain other factors (extreme events), could cause cascading outages. Some of these outages can be severe enough to trigger brownout…
View article: Western Interconnection Baseline Study
Western Interconnection Baseline Study Open
The purpose of the baseline study is to evaluate the degree to which current industry planning processes meet the national 2035 decarbonization goals for the Western Interconnection. This analysis serves as a comparative baseline for the s…
View article: Puerto Rico Grid Resilience and Transitions to 100% Renewable Energy Study (PR100): Final Report
Puerto Rico Grid Resilience and Transitions to 100% Renewable Energy Study (PR100): Final Report Open
The Puerto Rico Grid Resilience and Transitions to 100% Renewable Energy Study (PR100) is a comprehensive analysis based on extensive stakeholder input of possible pathways for Puerto Rico to achieve its goal of 100% renewable energy by 20…
View article: Estudio de Resiliencia de la Red Electrica de Puerto Rico y Transiciones a Energia 100% Renovable (PR100): Informe resumido [Spanish Translation of Puerto Rico Grid Resilience and Transitions to 100% Renewable Energy Study (PR100) (Summary Report)]
Estudio de Resiliencia de la Red Electrica de Puerto Rico y Transiciones a Energia 100% Renovable (PR100): Informe resumido [Spanish Translation of Puerto Rico Grid Resilience and Transitions to 100% Renewable Energy Study (PR100) (Summary Report)] Open
The Puerto Rico Grid Resilience and Transitions to 100% Renewable Energy Study (PR100) is a comprehensive analysis based on extensive stakeholder input of possible pathways for Puerto Rico to achieve its goal of 100% renewable energy by 20…
View article: Puerto Rico Grid Resilience and Transitions to 100% Renewable Energy Study (PR100) (Summary Report)
Puerto Rico Grid Resilience and Transitions to 100% Renewable Energy Study (PR100) (Summary Report) Open
The Puerto Rico Grid Resilience and Transitions to 100% Renewable Energy Study (PR100) is a comprehensive analysis based on extensive stakeholder input of possible pathways for Puerto Rico to achieve its goal of 100% renewable energy by 20…
View article: Enhanced dynamic contingency analysis for power systems
Enhanced dynamic contingency analysis for power systems Open
The present disclosure describes systems and techniques that enhance effectiveness and efficiency of a contingency analysis tool that is used for studying the magnitude and likelihood of extreme contingencies and potential cascading events…
View article: Blackouts: Root causes and lessons [Guest editorial]
Blackouts: Root causes and lessons [Guest editorial] Open
Meets FAA Specifications!Color -Size -Shape!-International Orange Tested
View article: Electrical power distribution control methods, electrical energy demand monitoring methods, and power management devices
Electrical power distribution control methods, electrical energy demand monitoring methods, and power management devices Open
Electrical power distribution control methods, electrical energy demand monitoring methods, and power management devices are described. In one aspect, an electrical power distribution control method includes providing electrical energy fro…
View article: Risk-informed autonomous adaptive cyber controllers
Risk-informed autonomous adaptive cyber controllers Open
Technology related to risk-informed autonomous adaptive cyber controllers is disclosed. In one example of the disclosed technology, a method includes generating probabilities of a cyber-attack occurring along an attack surface of a network…
View article: Electrical appliance energy consumption control methods and electrical energy consumption systems
Electrical appliance energy consumption control methods and electrical energy consumption systems Open
Electrical appliance energy consumption control methods and electrical energy consumption systems are described. In one aspect, an electrical appliance energy consumption control method includes providing an electrical appliance coupled wi…
View article: A Risk-Based Framework for Power System Modeling to Improve Resilience to Extreme Events
A Risk-Based Framework for Power System Modeling to Improve Resilience to Extreme Events Open
The extent of the damage to Puerto Rico that resulted from Hurricane Maria in September 2017 led to outages in electricity service that persisted for months. Power system operators attempting to restore critical facilities faced challenges…
View article: Industry Requirements for Geomagnetic Disturbance Models
Industry Requirements for Geomagnetic Disturbance Models Open
This research project will address the most pressing uncertainties in modeling and measuring the electric power grid effects of geomagnetic disturbances (GMDs) and the E3 portion of nuclear electromagnetic pulse (EMP). The primary goal is …
View article: Trial Implementation of the High-Impact, Low-Frequency Power Grid Event Risk Framework to Support Informed Decision-Making
Trial Implementation of the High-Impact, Low-Frequency Power Grid Event Risk Framework to Support Informed Decision-Making Open
In 2015, Pacific Northwest National Laboratory (PNNL) developed a multi-hazard risk-assessment framework for modeling high-impact, low-frequency (HILF) power grid events to support risk-informed decisions for power grid management and emer…
View article: Methodology to Calibrate Fragility Curves Using Limited Real-World Data
Methodology to Calibrate Fragility Curves Using Limited Real-World Data Open
With increasing human dependence on electricity and increasing energy demand, electrical infrastructure has emerged to be one of the most critical services. On the other hand, climate-change driven extreme events progressively increase in …
View article: Methodology to Calibrate Fragility Curves Using Limited Real-World Data
Methodology to Calibrate Fragility Curves Using Limited Real-World Data Open
With increasing human dependence on electricity and increasing energy demand, electrical infrastructure has emerged to be one of the most critical services. On the other hand, climate-change driven extreme events progressively increase in …
View article: Electric Grid Blackstart: Trends, Challenges, and Opportunities
Electric Grid Blackstart: Trends, Challenges, and Opportunities Open
This report studies the expected future state of the grid and recommends actions that can be taken to increase grid resiliency, improve system modeling, perform more extensive studies, enhance training activities, and perform industry outr…
View article: Introduction to the Minitrack on Resilient Networks
Introduction to the Minitrack on Resilient Networks Open
This minitrack focuses on enhancing the reliability of future electric power infrastructure.Advanced technologies will require sophisticated methods for understanding how they can be incorporated into increasingly complex and dynamic infra…
View article: Transmission Innovation Symposium: Modernizing the U.S. Electrical Grid
Transmission Innovation Symposium: Modernizing the U.S. Electrical Grid Open
The foundation of the United States Department of Energy (DOE) Transmission Reliability research program was established 20 years ago by a series of commissioned white papers. Those white papers described the dramatic institutional and reg…
View article: Electric Grid Blackstart: Trends, Challenges, and Opportunities
Electric Grid Blackstart: Trends, Challenges, and Opportunities Open
This report studies the expected future state of the grid and recommends actions that can be taken to increase grid resiliency, improve system modeling, perform more extensive studies, enhance training activities and perform industry outre…
View article: Energy Sector Position, Navigation, and Time Cybersecurity Profile
Energy Sector Position, Navigation, and Time Cybersecurity Profile Open
The Pacific Northwest National Laboratory has developed this positioning, navigation, and timing (PNT) profile for the Energy Sector at the request of the U.S. Department of Energy. The Department of Energy is the sector-specific agency fo…
View article: Introduction to the Minitrack on Resilient Networks
Introduction to the Minitrack on Resilient Networks Open
This minitrack focuses on enhancing the reliability, security, and resilience of future electric power infrastructure.Advanced technologies will require sophisticated methods for understanding how they can be incorporated into increasingly…
View article: Risk-Based Dynamic Contingency Analysis Applied to Puerto Rico Electric Infrastructure
Risk-Based Dynamic Contingency Analysis Applied to Puerto Rico Electric Infrastructure Open
The U.S. Department of Energy’s (DOE) Office of Electricity and Office of Energy Efficiency & Renewable Energy have funded DOE National Laboratories to perform modeling, analysis, and high-level design of resilience-enhancement options for…
View article: A Study of the Impact of Reduced Inertia in Power Systems
A Study of the Impact of Reduced Inertia in Power Systems Open
Inertia in power systems plays an important role in maintaining the stability and reliability of the system by counteracting changes in frequency. However, the traditional sources of synchronous generation are being displaced by renewable …
View article: Introduction to the Minitrack on Resilient Networks
Introduction to the Minitrack on Resilient Networks Open
This minitrack focuses on enhancing the reliability of future electric power infrastructure.Advanced technologies will require sophisticated methods for understanding how they can be incorporated into increasingly complex and dynamic infra…
View article: Introduction to the Minitrack on Resilient Networks
Introduction to the Minitrack on Resilient Networks Open
This minitrack focuses on enhancing the reliability of future electric power infrastructure.Advanced technologies will require sophisticated methods for understanding how they can be incorporated into increasingly complex and dynamic infra…
View article: Introduction to the Minitrack on Resilient Networks
Introduction to the Minitrack on Resilient Networks Open
This minitrack focuses on enhancing the resilience of future electric power infrastructure.Resilience includes but is not limited to reliability and security, it also includes aspects of graceful degradation and rapid restoration.Advanced …
View article: Trial Implementation of a Multihazard Risk Assessment Framework for High-Impact Low-Frequency Power Grid Events
Trial Implementation of a Multihazard Risk Assessment Framework for High-Impact Low-Frequency Power Grid Events Open
The Pacific Northwest National Laboratory developed a risk framework for modeling high-impact, low-frequency power grid events to support risk-informed decisions. In this paper, we briefly recap the framework and demonstrate its implementa…