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| Technology Readiness Level | |
|---|---|
| Name | Technology Readiness Level |
| Abbreviation | TRL |
| Introduced | 1970s |
| Developed by | National Aeronautics and Space Administration, Department of Defense (United States), European Commission |
| Type | assessment scale |
| Uses | research and development management, acquisition |
Technology Readiness Level
Technology Readiness Level is a maturity assessment scale used to evaluate the development stage of technological systems and components. It provides stakeholders with a common framework for decision-making across programs managed by organizations such as National Aeronautics and Space Administration, European Space Agency, Department of Defense (United States), and European Commission. The metric informs officials in institutions like Lockheed Martin, Boeing, Airbus, Raytheon Technologies, and NASA Jet Propulsion Laboratory about progression risks and resource allocation.
The scale offers a structured sequence of indicators from basic research to operational deployment used by agencies such as NASA, U.S. Department of Energy, Defense Advanced Research Projects Agency, and firms like General Electric and Siemens. Practitioners from Massachusetts Institute of Technology, Stanford University, Imperial College London, Cornell University, and California Institute of Technology apply TRL concepts in conjunction with program management frameworks like Project Management Institute standards and acquisition regulations such as those promulgated by U.S. Federal Acquisition Regulation authorities. Governments including United Kingdom, Germany, France, Japan, and Canada have adapted TRL-like schemes for funding instruments administered by entities like Horizon 2020, European Innovation Council, and national research councils.
Origins trace to documentation and practice within National Aeronautics and Space Administration engineering offices during the 1970s and formalization in Goddard Space Flight Center and Jet Propulsion Laboratory technical memoranda. The Department of Defense (United States) adopted comparable constructs in acquisition guidance, influencing ministries such as Ministry of Defence (United Kingdom) and agencies like European Space Agency. Influential reports and policy memos circulated among organizations including RAND Corporation, Brookings Institution, Office of Management and Budget (United States), and academic centers such as Harvard Kennedy School, leading to broader diffusion across multinational corporations like Thales Group and BAE Systems.
The canonical nine-level scale maps progression from concept to flight-proven systems, aligning with stages referenced in publications from NASA documentation and U.S. Department of Defense instructions. Individual level descriptions are used by laboratories such as Sandia National Laboratories, Los Alamos National Laboratory, and Argonne National Laboratory and inform transition decisions in programs run by National Renewable Energy Laboratory and corporate R&D units like IBM Research and Microsoft Research. Agencies including European Commission and CNES sometimes publish tailored level descriptors to suit sectors represented by firms like TotalEnergies, BP, Shell, and Siemens Gamesa.
Sectors adopting the scale include aerospace projects undertaken by NASA, Airbus Defence and Space, and SpaceX, energy programs at ExxonMobil, Schlumberger, and Vattenfall, biomedical device pathways involving Johnson & Johnson, Medtronic, Pfizer, and regulatory interactions with authorities such as U.S. Food and Drug Administration and European Medicines Agency. Public agencies such as U.S. Department of Energy, Department of Defense (United States), and European Defence Agency embed TRL assessments in solicitations managed through offices like DARPA and European Innovation Council. Research consortia and standards bodies including International Organization for Standardization, IEEE, and ASTM International reference readiness concepts in technical roadmaps developed with universities and firms.
Assessment practices draw on verification and validation techniques used at facilities like CERN, Oak Ridge National Laboratory, and Fraunhofer Society centers, combining laboratory testing, field trials, and modeling by groups such as RAND Corporation analysts and consultants from firms like McKinsey & Company and Boston Consulting Group. Program offices in NASA centers, U.S. Navy acquisition commands, and European Space Agency missions deploy review panels composed of subject-matter experts from institutes such as Caltech, Johns Hopkins University, and Imperial College London to substantiate level claims. Methodologies often integrate risk assessment frameworks promulgated by ISO standards committees and governance advice from entities like World Bank and Organisation for Economic Co-operation and Development.
Critics from academia including scholars at MIT, Stanford University, Princeton University, and policy analysts at Brookings Institution argue that the scale can be applied inconsistently, conflating component maturity with system integration demonstrated in examples from SpaceX Falcon 9 and Boeing 737 MAX programs. Observers in industry associations such as Aerospace Industries Association and think tanks like Center for Strategic and International Studies note that TRLs may underweight human factors, supply chain resilience observed in crises like the COVID-19 pandemic, and regulatory readiness evaluated by U.S. Food and Drug Administration. Case studies involving firms like Tesla, Inc. and projects at European Space Agency missions highlight challenges when extrapolating laboratory performance to contested operational environments.
Variants and adjunct frameworks include Manufacturing Readiness Levels used by U.S. Department of Defense and corporations such as General Motors, Integration Readiness Levels used by NASA program offices, and Cybersecurity Maturity Models referenced by National Institute of Standards and Technology. Other related metrics practiced by agencies like European Commission, Japan Aerospace Exploration Agency, Australian Research Council, and institutions like World Health Organization encompass Market Readiness Levels, Operational Readiness Levels, and Capability Maturity Models developed by organizations including Carnegie Mellon University and ISACA.
Category:Technology assessment