ETSI methodologies are employed for the assessment of any ICT product, regarding the full life cycle.

The types of ETSI methodologies are:
- ETSI 103 199: Environmental Engineering (EE); Life Cycle Assessment (LCA) of ICT equipment, networks and services; General methodology and common requirements
- ETSI 203 199: Environmental Engineering (EE); Methodology for environmental Life Cycle Assessment (LCA) of information and Communication Technology (ICT) goods, networks and services
- ETSI ES 2015 200-1: Access, Terminals, Transmission and Multiplexing (ATTM); Energy management; Global KPIs, Operational Infrastructures, Part 1; General requirements
- ETSI ES 2015 200-2-2: Access, Terminals, Transmission and Multiplexing (ATTM); Energy management; Global KPIs; Operational Infrastructures  - Part 2: Specific requirements - Sub-part 2: Fixed broadband access networks
-ETSI ES 205 200-2-4: Integrated broadband cable telecommunication networks (CABLE); Energy management; Global KPIs; Operational Infrastructure; Part 2: Specific requirements; Sub-part 4: Cable Access Neetworks

For more information about ETSI methodologies go to: www.etsi.org