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Test of a 250 kVA Battery-Inverter System Micro-Grid: Cooperative Research and Development Final Report, CRADA Number CRD-11-460
Portland General Electric (PGE) is installing a 5-megawatt (MW) lithium-ion-based battery-inverter system (BIS) in Salem, Oregon, as part of the Pacific Northwest Smart Grid Demonstration Project. NREL will assist PGE in testing a 250-kilovolt-ampere (kVA) portion of the BIS in or...
Kramer, W. et al NLR
Nov 30, 2013
Energy-Water Microgrid Opportunity Analysis at the University of Arizona's Biosphere 2 Facility
Microgrids provide reliable and cost-effective energy services in a variety of conditions and locations. There has been minimal effort invested in developing energy-water microgrids that demonstrate the feasibility and leverage synergies of operating renewable energy and water sys...
Daw, J. et al NLR
Apr 30, 2018
Blockchain-Enabled Cyber-Secure Microgrid Control Using Consensus Algorithm
This paper proposes a distributed control method based on a consensus algorithm for distributed energy resources (DERs) using blockchain as a secure communication medium for cyber resilience. Each DER communicates with a local blockchain server that is maintained by the distribute...
Mahmud, R. and Seo, G. NLR
Dec 31, 2020
A Novel Resilience-Oriented Cellular Grid Formation Approach for Distribution Systems with Behind-the-Meter Distributed Energy Resources
This paper presents a resilience-oriented cellular grid formation approach to achieve scalable and reconfigurable community microgrid operations for distribution systems with behind-the-meter distributed energy resources. A set of interconnected solar photovoltaics, energy storage...
Kumar, U. and Ding, F. NLR
Dec 31, 2022
ESIC Energy Storage Commissioning Guide
This report updates the previously published Energy Storage Integration Council (ESIC) Energy Storage Commissioning Guide 2018. In order to align with the rapidly changing energy storage technology space, these guidelines were refined to address how commissioning can be most effic...
Electric Power Research Institute
Dec 31, 2022
Networked Microgrids for Improved Resilient Operation: A Case Study in Adjuntas Puerto Rico
This paper presents a case study of a network microgrid orchestrator designed to allow coordinated operation of microgrids. Through Control Hardware in the Loop (CHIL), the proposed microgrid orchestrator was validated using, as case study two community-owned microgrids in Adjunta...
Ferrari, M. et al Oak Ridger National Laboratory
Oct 31, 2023
Unleash Values From Grid-Edge Flexibility
Summarizes control strategies, coordination frameworks, and value streams enabled by grid edge assets. Highlights practical experience, gaps in visibility and interoperability, and opportunities to scale flexibility services across distribution systems.
Ding, F. et al NLR
Jan 01, 2022
PRAS: Probabilistic Resource Adequacy Suite
PRAS is a modeling suite developed by NREL that performs probabilistic resource adequacy assessments for power systems. It incorporates weather variability, generator outages, and demand uncertainty to estimate metrics such as loss of load expectation (LOLE). Users can explore how...
NLR
Apr 20, 2025
Probabilistic Resource Adequacy Suite (PRAS) v0.6 Model Documentation
This manual provides technical documentation for version 0.6 of the Probabilistic Resource Adequacy Suite (PRAS). It describes the suite's modeling approach, input requirements, calculation methods, and output interpretation. The documentation guides users through installation, co...
Stephen, G. NLR
Apr 30, 2021
DERMS Online: A New Voltage Sensitivity-Enabled Feedback Optimization Framework
Demonstrates a perturb and observe voltage sensitivity method to reformulate nonlinear control into tractable LP problems for real-time operation. Evaluates performance and discusses deployment considerations for distribution systems with high DER penetration.
Yao, Y. et al NLR
Jan 01, 2022
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