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| Linky | |
|---|---|
| Name | Linky |
| Caption | Smart electricity meter |
| Manufacturer | Schneider Electric |
| Introduced | 2008 |
| Country | France |
| Type | Smart meter |
Linky is a family of smart electricity meters deployed primarily in France by the distribution company Enedis (formerly ERDF), intended to replace legacy electromechanical and electronic meters with remotely readable, networked devices. The program aims to enable automated meter reading, time‑of‑use tariffs, and improved grid management by providing two‑way communication between households and the distribution network. Linky meters have been the focus of technical evaluations, policy debates, and legal actions touching on European Union energy policy, consumer protection litigation, and debates in municipal councils such as those in Paris and Lyon.
Linky units are part of a class of smart metering systems similar to deployments in United Kingdom (Smart Metering Implementation Programme), Germany (advanced metering infrastructure pilots), and utilities operated by companies like Iberdrola and Enel. Designed and produced in collaboration with manufacturers including Schneider Electric and contracted suppliers, the meters communicate measured consumption data over an integrated communications network based on the G3-PLC protocol and sometimes supported by RF mesh or cellular fallback. The project aligns with directives from the European Commission on energy efficiency and the Third Energy Package, and interacts with national regulatory bodies like the Commission de Régulation de l'Énergie.
The Linky program originated after pilot projects conducted in the 2000s, informed by research from institutions such as CNRS and initiatives within the European Smart Grid Task Force. In 2009, ERDF launched large‑scale procurement to roll out meters across France, with public announcements tied to stimulus and modernization policies under administrations such as the cabinets of Nicolas Sarkozy and later François Hollande. Deployment accelerated following regulatory decisions by the Conseil d'État and technical specifications from the Agence de l'Environnement et de la Maîtrise de l'Énergie (ADEME). Opposition and litigation arose from consumer groups like Que Choisir and municipalities represented by political figures from parties such as La France Insoumise and Les Républicains.
Linky meters measure active and reactive power, voltage, current, and power factor via solid‑state sensors and electronic measurement circuits similar to those used by Siemens and ABB in industrial metering. Firmware implements standardized communication stacks referenced to protocols including G3-PLC and DLMS/COSEM for data modeling and exchange; cryptographic functions use schemes comparable to those endorsed by ANSSI for French critical infrastructure. The device supports time‑of‑use schedules and remote disconnect/reconnect features comparable to smart meters used by Itron and Landis+Gyr. Hardware revisions and cybersecurity patches have been issued following audits by labs such as LNE and independent researchers affiliated with universities like École Polytechnique.
By the mid‑2010s, Enedis planned to install Linky meters in tens of millions of premises across metropolitan France and overseas departments, paralleling rollouts by utilities such as RWE and EDF in other jurisdictions. Installations have been phased geographically and by customer class, coordinated with municipal energy plans in municipalities such as Bordeaux and regional authorities including Île‑de‑France. The deployment strategy involved contracts with installers and service providers similar to models used by National Grid in the United Kingdom and collaborated with local distribution operators that manage low‑voltage networks.
Privacy advocates including groups like CNIL observers, consumer associations such as UFC-Que Choisir, and privacy researchers at universities including Sorbonne Université raised concerns about granularity of consumption data and potential inferences about household behavior, echoing debates seen in Germany and Belgium over smart meter telemetry. Security researchers demonstrated potential attack vectors on smart metering networks in conferences such as Black Hat and RSA Conference, prompting audits by ANSSI and firmware hardening. Data retention and access policies have been scrutinized under General Data Protection Regulation (GDPR) frameworks and national privacy oversight, with operators required to implement data minimization and role‑based access controls similar to best practices in utilities like E.ON.
Linky deployment intersected with decisions by French administrative courts including rulings that balanced municipal prerogatives against national energy objectives, referencing jurisprudence from the Conseil Constitutionnel and administrative guidelines from the Ministry of Ecological Transition. Disputes addressed topics such as mandatory installation, consumer opt‑out rights, and liability for alleged health impacts, with cases brought by consumer groups and municipalities to courts including tribunals in Grenoble and Cannes. Regulatory oversight by the Commission de Régulation de l'Énergie set tariff rules and cost recovery models comparable to frameworks applied by regulators like Ofgem and Bundesnetzagentur.
Public reception has been mixed: endorsements from energy planners and agencies such as ADEME emphasized benefits for demand response programs and distributed generation integration akin to initiatives by Tesla and Sonnen; critics organized protests and legal challenges parallel to opposition to smart meters in Spain and Italy. Allegations ranged from concerns about electromagnetic emissions and health—echoing debates involving World Health Organization guidance—to disputes over data access and commercial uses reminiscent of controversies around metering programs at PG&E and Con Edison. Media coverage spanned outlets including Le Monde and Le Figaro, while parliamentary questions were raised in the Assemblée nationale and trailed in committees similar to those convened by European Parliament rapporteurs on energy efficiency.
Category:Electric power in France Category:Smart meters Category:Schneider Electric products