Enclave Microgrid : A local section of an electric T&D network containing:
Enclave Microgrids provide:
Although both Enclave Microgrids and conventional microgrids have the capability to electrically island, Enclave Microgrids are not conventional microgrids. Unlike conventional microgrids, Enclave Microgrids are an intrinsic part of the regional electric transmission and distribution grid and have no Point of Common Coupling with the grid. Enclave Microgrids (sometimes called Secure Power Enclaves) provide electricity resilience to more facilities than can conventional microgrids and can better serve the critical infrastructure of an entire community even though various facilities may have different ownership. Enclave Microgrids can also be used in coordination with conventional microgrids to provide a layered defense against various kinds of threats.
The December 2018 National Infrastructure Advisory Committee (NIAC) report
“Surviving a Catastrophic Power Outage” recommended enclaves as a way to ensure
that communities have the ability to continue providing critical services during long-term power outages. Other studies have also shown the need for enclaves. An Enclave Microgrid using technology developed by OnGrid Options, LLC is the only method available to implement the type of enclave envisioned by the NIAC report.
NIAC is composed of senior executives from industry and state and local government who own and operate critical infrastructure. The Council was established by executive order in 2001 to advise the President on practical strategies to reduce complex risks to the designated critical infrastructure sectors.
The E-PR0 Handbook series, published by the Electric Infrastructure Security (EIS) Council, is a practical guide to the threats, both natural and manmade, that can create catastrophic "black sky" electric outages and to the measures that can protect against those threats. The first volume provides an overview of the threats, the grid protection and restoration challenges, and a "whole community" framework for addressing the threats. One significant part of the framework is the creation of community enclaves--what only Enclave Microgrids do. Subsequent volumes address individual critical infrastructure sectors. The EIS Council is an international NGO that works with utilities, critical infrastructure, academic institutions, and other organizations to address electricity security.
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