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| Advanced Metering Infrastructure | |
|---|---|
| Name | Advanced Metering Infrastructure |
| Type | Utility technology |
Advanced Metering Infrastructure
Advanced Metering Infrastructure (AMI) is a system that enables automated, two-way communication between metering devices and utility operators to support smart grid functions, demand response programs, and billing operations. Originating from developments in Automated meter reading and pilot projects by utilities following standards from organizations such as the Institute of Electrical and Electronics Engineers and the International Electrotechnical Commission, AMI links field devices to control centers to provide near real-time consumption data and remote management. Deployments of AMI intersect with initiatives led by institutions like the Department of Energy (United States), the European Commission, and national regulators in countries including United Kingdom, Australia, and Germany.
AMI integrates metering, communication, and information technology layers to replace manual meter reading and enable services previously associated with projects such as Advanced Metering pilots and Smart meters rollouts. The architecture supports functions found in programs by Pacific Gas and Electric Company, Texas Electric Reliability Council activities, and smart city pilots linked to Siemens and General Electric partnerships. AMI facilitates operational capabilities demonstrated in events such as the Northeast blackout of 2003 mitigation studies and underpins market reforms advocated by organizations like the International Energy Agency and World Bank.
Core components of AMI include the meter hardware, in-home or premises display units, data concentrators, head-end systems, and billing or customer information systems used by utilities such as Consolidated Edison and Edison Electric Institute members. Smart meters often incorporate modules compliant with standards from Underwriters Laboratories and chipsets from vendors like Intel or Qualcomm. Data concentrator nodes may be deployed in distributions managed by companies including National Grid plc or EDF Energy and integrate with operational support systems used by Schneider Electric and ABB.
AMI relies on communication technologies including mesh networking protocols demonstrated by Zigbee Alliance products, cellular links using networks operated by AT&T and Vodafone, licensed radio spectrum managed by authorities like the Federal Communications Commission and the Office of Communications (Ofcom), and power line carrier systems used in projects influenced by Enel. Long-range wireless solutions such as LoRaWAN and deployments using NarrowBand IoT have been piloted by utilities including Iberdrola and E.ON.
Head-end systems aggregate meter reads into data warehouses, allowing analytics platforms from vendors like Oracle Corporation and SAP SE to perform load forecasting, outage detection, and customer segmentation. Machine learning techniques referenced in research at institutions such as Massachusetts Institute of Technology, Stanford University, and Imperial College London are applied to AMI datasets for non-technical loss detection and predictive maintenance. Integration with market platforms overseen by operators like PJM Interconnection and Nord Pool enables settlement, peer-to-peer trading experiments, and distributed energy resource coordination seen in projects with Tesla, Inc. and SolarCity.
AMI deployments raise security and privacy concerns addressed by standards and guidance from National Institute of Standards and Technology, the European Union Agency for Cybersecurity, and regulators such as the Office of Gas and Electricity Markets. Cryptographic methods like those specified by RSA Security and key-management schemes used in industrial control systems developed by Siemens are applied to secure meter-to-headend links. Privacy debates referenced in decisions by courts in United States jurisdictions and policy dialogues in the European Parliament consider data minimization, consent frameworks, and obligations similar to those under the General Data Protection Regulation.
Large-scale AMI rollouts have been executed by utilities including Pacific Gas and Electric Company, Southern California Edison, Japan Electric Power Company, and municipal programs in New York City and Tokyo. Implementation challenges often involve coordination with regional transmission organizations like California ISO and distribution system operators such as UK Power Networks, procurement practices influenced by agencies like the European Investment Bank, and workforce training in collaboration with trade unions and professional bodies including IEEE Power & Energy Society. Pilot-to-scale transitions reference case studies from Smart Grid Demonstration Program initiatives and industry consortiums like the OpenADR Alliance.
Regulatory frameworks developed by bodies such as the Federal Energy Regulatory Commission, Ofgem, and national ministries of energy shape cost recovery, tariff design, and consumer protection for AMI investments. Economic assessments by organizations including the International Monetary Fund and Organisation for Economic Co-operation and Development examine benefits in reduced non-technical losses, improved demand response as promoted by programs like European Energy Exchange, and impacts on utility credit ratings addressed by agencies such as Moody's Investors Service. Public controversy over costs and benefits has prompted hearings in legislatures like the United States Congress and inquiries by consumer advocacy groups including Which?.
Category:Electric power infrastructure