North American Electric Reliability Corporation

The North American Electric Reliability Corporation (NERC) is a not-for-profit international organization responsible for helping maintain the reliability and security of the interconnected bulk power system serving the United States, Canada, and part of Mexico. Its present institutional form was created in 2006, following the transformation of the earlier North American Electric Reliability Council into the organization now known as the Electric Reliability Organization (ERO) for the United States. The predecessor body was established by the electric utility industry in 1968 after a series of concerns about the adequacy and coordination of long-distance power transmission. Its name changed from National Electric Reliability Council to North American Electric Reliability Council in 1981 to reflect the participation of Canadian utilities and the organization’s continental scope. The name changed from Council to Corporation in 2007. NERC’s central role is not to sell electricity or operate the transmission grid directly. Instead, it develops reliability standards, coordinates their implementation through regional entities, monitors compliance, evaluates the adequacy of generation and transmission resources, and provides technical education and operator training. In the United States, its authority rests on the Electric Reliability Organization framework established by the Energy Policy Act of 2005 and implemented through certification by the Federal Energy Regulatory Commission (FERC). NERC also submits standards and related materials to Canadian provincial and federal authorities whose jurisdictions participate in the continental reliability framework. The organization covers the major interconnected power systems of the contiguous United States and Canada, together with the portion of Mexico associated with the Baja California system. Its regional structure includes the Midwest Reliability Organization, Northeast Power Coordinating Council, ReliabilityFirst, SERC Reliability Corporation, Texas Reliability Entity, and Western Electricity Coordinating Council. These regional entities support compliance monitoring and reliability coordination across different parts of the continent. The geographic system includes the Eastern, Western, Texas, and Quebec interconnections, which are electrically interconnected in varying ways but have distinct operating characteristics. NERC’s responsibilities expanded significantly after the August 2003 Northeast blackout, when approximately 50 million people in the northeastern and Midwestern United States and Ontario lost power. The subsequent United States–Canada investigation highlighted the need for mandatory, enforceable reliability requirements rather than relying solely on voluntary industry cooperation. NERC therefore moved from its historical voluntary model toward a formal standards and compliance regime. Its standards address matters such as system operations, resource and transmission adequacy, emergency preparedness, cybersecurity, physical security, and protection of critical infrastructure. Some standards require sufficient generating resources so that customer disconnections caused by inadequate generation occur less frequently than once in ten years. Security information sharing is another major part of NERC’s work. In 2000, it established the Electricity Sector Information Sharing and Analysis Center, now called the Electricity Information Sharing and Analysis Center (E-ISAC). The E-ISAC provides threat intelligence and collaboration services to bulk-power-system owners and operators, including cyber and physical security information. Its programs include the Cybersecurity Risk Information Sharing Program, which supports analysis of incident data and patterns that could affect the grid. NERC maintains an organizational separation between E-ISAC security-information activities and its compliance and enforcement functions. NERC also investigates major disturbances and publishes analyses intended to reduce the likelihood and consequences of future events. Its present mission centers on reducing risks to the reliability and security of the North American bulk power system.

NERC’s institutional history begins in the North American electric utility industry’s effort to coordinate reliability after the rapid expansion of interconnected transmission networks. The original organization was created on June 1, 1968, as the National Electric Reliability Council. It was a voluntary industry body rather than a government regulator, and its purpose was to promote reliable and adequate operation of the bulk power systems serving North America. The council developed coordination practices and reliability principles for utilities whose systems increasingly depended on one another across regional boundaries. In 1981, the organization adopted the name North American Electric Reliability Council. The change from National to North American recognized the participation of Canadian utilities and the broader geographic reach of its work. Over time, NERC’s activities expanded beyond general coordination to include regional reliability planning, operating guidance, system assessments, disturbance analysis, and operator education. Six regional reliability organizations eventually became central components of the continental framework: the Midwest Reliability Organization, Northeast Power Coordinating Council, ReliabilityFirst, SERC Reliability Corporation, Texas Reliability Entity, and Western Electricity Coordinating Council. A major turning point came with the August 2003 Northeast blackout. The outage affected approximately 50 million people in parts of the northeastern and Midwestern United States and Ontario, making it the largest blackout then experienced in North America. A joint United States–Canada task force investigated the event and identified weaknesses in situational awareness, vegetation management, coordination, and adherence to reliability practices. The blackout reinforced the limitations of a system based principally on voluntary compliance and helped produce a stronger legal framework for mandatory reliability requirements. The U.S. Energy Policy Act of 2005 authorized the creation of an Electric Reliability Organization. This framework gave the Federal Energy Regulatory Commission authority to certify a national organization capable of developing and enforcing mandatory reliability standards for the U.S. bulk power system. NERC applied for the designation in April 2006 and was certified by FERC in July 2006. On March 28, 2006, the successor organization that became the present North American Electric Reliability Corporation was formed. NERC filed an initial package of mandatory reliability standards with FERC and also submitted related materials to Canadian authorities in participating provinces and at the federal level. In 2007, the name formally changed from North American Electric Reliability Council to North American Electric Reliability Corporation. NERC’s security role also developed in response to changing risks. At the request of the U.S. Department of Energy, it operates the Electricity Information Sharing and Analysis Center, originally established in 2000 as the Electricity Sector Information Sharing and Analysis Center. Renamed in 2015, the E-ISAC provides cyber and physical security intelligence, collaboration, and analytical services to owners and operators of bulk-power assets. Its Cybersecurity Risk Information Sharing Program supports analysis of real-time information and potential patterns of concern. NERC separates the E-ISAC from compliance and enforcement activities to protect the independence and confidentiality of information sharing. Today, NERC combines standards development, compliance monitoring, resource adequacy assessment, operator qualification, disturbance investigation, and cyber and physical security coordination. Its footprint encompasses the major interconnected systems of the contiguous United States and Canada and part of Baja California in Mexico. NERC does not directly dispatch the grid or function as a conventional electricity utility. Its role is to establish and oversee the reliability framework within which utilities, transmission operators, generators, balancing authorities, and regional entities operate. The organization continues to adapt its assessments and standards to changing generation portfolios, extreme weather, cybersecurity threats, and the increasing operational dependence created by a highly interconnected power system.

• 2018

  Joint review of winter load event opened

  [1]North American Electric Reliability Corporationen.wikipedia.org

  NERC and FERC investigated a cold-weather event that caused exceptionally high demand and emergency conservation appeals in parts of the Midwest and south-central United States.

• 2015

  Information-sharing center renamed E-ISAC

  [1]North American Electric Reliability Corporationen.wikipedia.org

  The Electricity Sector Information Sharing and Analysis Center adopted the shorter name Electricity Information Sharing and Analysis Center.

• 2007

  Council renamed Corporation

  [1]North American Electric Reliability Corporationen.wikipedia.org

  The organization adopted the name North American Electric Reliability Corporation.

• 2006

  NERC designated as the U.S. Electric Reliability Organization

  [1]North American Electric Reliability Corporationen.wikipedia.org

  NERC applied for ERO status in April and received certification from the Federal Energy Regulatory Commission in July.

• 2005

  Energy Policy Act creates the U.S. ERO framework

  [1]North American Electric Reliability Corporationen.wikipedia.org

  U.S. legislation authorized an Electric Reliability Organization to develop and enforce mandatory bulk-power-system reliability standards.

• 2003

  Northeast blackout prompts reliability review

  [1]North American Electric Reliability Corporationen.wikipedia.org

  A major blackout affecting roughly 50 million people led to a joint U.S.–Canada investigation and strengthened demands for enforceable reliability requirements.

• 2000

  Electricity sector information-sharing center established

  [1]North American Electric Reliability Corporationen.wikipedia.org

  NERC established the organization that later became the Electricity Information Sharing and Analysis Center to share timely cyber and physical security information with the electricity industry.

• 1981

  Name changed to North American Electric Reliability Council

  [1]North American Electric Reliability Corporationen.wikipedia.org

  The organization replaced National with North American to recognize Canadian participation and its broader continental scope.

• 1968

  National Electric Reliability Council established

  [1]North American Electric Reliability Corporationen.wikipedia.org

  Electric utilities created the original voluntary council to promote the reliability and adequacy of North American bulk power transmission systems.

NERC positions itself as the continental reliability authority for the bulk power system: an independent, technically focused, not-for-profit organization that combines standards development, compliance oversight, system assessment, disturbance analysis, operator education, and grid-security information sharing.

• Reliability regulation and standards

  NERC Reliability Standards

  A body of technical requirements governing the planning and operation of the bulk power system. The standards address subjects including system operations, resource and transmission adequacy, emergency preparedness, critical infrastructure protection, cybersecurity, and physical security. In the United States, applicable standards are subject to the formal ERO and FERC approval framework, while implementation also involves regional entities and Canadian authorities.

• Grid security intelligence · 2000

  Electricity Information Sharing and Analysis Center

  NERC’s E-ISAC provides cyber and physical security threat intelligence, collaboration services, and analytical support to bulk-power-system owners and operators across North America. Its activities include sector information sharing and the Cybersecurity Risk Information Sharing Program. The E-ISAC is organizationally separated from NERC’s compliance and enforcement functions.

• Power-system analysis

  Reliability assessments

  NERC produces assessments of resource adequacy and system reliability, including analysis of whether generation, transmission, and operating resources are sufficient under expected and stressed conditions. Seasonal and longer-term assessments help utilities, regional entities, regulators, and policymakers identify reliability risks before they develop into emergencies.

• Professional accreditation

  Operator training and accreditation

  NERC provides education and training resources intended to ensure that electricity-system operators remain qualified and proficient. The accreditation framework supports consistent operator preparation for normal operations, disturbances, emergencies, and restoration of the interconnected bulk power system.

• Reliability research

  Disturbance investigation and analysis

  NERC investigates significant power-system disturbances and analyzes their technical and organizational causes. The resulting findings and recommendations are intended to improve operating practices, inform standards and training, and reduce the likelihood or impact of future outages.

• 2015

  Rebrand the electricity information-sharing center as E-ISACStrategy

  Background

  The electricity sector faced growing cyber and physical security risks requiring a dedicated information-sharing function.

  Action taken

  NERC renamed the Electricity Sector Information Sharing and Analysis Center as the Electricity Information Sharing and Analysis Center and continued expanding its security-information role.

  Aftermath

  The E-ISAC became a distinct part of NERC’s grid-security offering, with services for threat intelligence, collaboration, and analysis of potential impacts on the bulk power system.

  Source

• 2006

  Transition from voluntary council to formal Electric Reliability OrganizationStrategy

  Background

  The 2003 Northeast blackout and the Energy Policy Act of 2005 created pressure for mandatory and enforceable reliability requirements in the United States.

  Action taken

  NERC applied for and received FERC certification as the U.S. Electric Reliability Organization, while filing an initial set of mandatory reliability standards and related materials with U.S. and Canadian authorities.

  Aftermath

  NERC became the central standards and compliance organization within the U.S. reliability framework, working with regional entities and Canadian jurisdictions across the interconnected continental system.

  Source

1. 1North American Electric Reliability Corporationen.wikipedia.org
2. 2North American Electric Reliability Corporation official websitenerc.com