| Work item | Question | Equiv. Num. | Status | Timing | Approval process | Version | Liaison relationship | Subject / Title | Priority |
| L.1205rev | Q6/5 | ES 203 474 | Under study | 2026-12 | AAP | Rev. | ETSI TC EE / EE2 WG | Interfacing of renewable energy or distributed power sources to up to 400 VDC power feeding systems | Medium |
| L.1220rev | Q6/5 | RTS/EE-02116 (TS 103 553-1) | Under study | 2027 | AAP | Rev. | ETSI TC EE / EE2 WG | Innovative energy storage technology for stationary use - Part 1: Overview of energy storage | Medium |
| L.1300rev | Q6/5 | | Under study | 2027 | AAP | Rev. | ETSI TC EE, ISO/IEC JTC 1 SC 39, IEC, UNEP | Requirements and best practices for green data centres | Medium |
| L.AIA_RS | Q6/5 | | Under study | 2027-12 | AAP | New | ITU-T SG13, ITU-T SG21, ISO/IEC JTC1/SC39, ISO/IEC JTC1/SC42 | Framework of AI agents in resource scheduling for environmentally efficient data center infrastructure | Medium |
| L.Arch_AI energy | Q6/5 | | Under study | 2026 | AAP | New | - | Specification of energy supply system architecture for Artificial Intelligence computing scenarios | Medium |
| L.AZB | Q6/5 | | Under study | 2027-12 | AAP | - | IEC TC21 | Aqueous Zinc-Based Battery Systems for Base Station Applications | Medium |
| L.CTS_CP | Q6/5 | | Under study | 2028-12 | AAP | New | SG13 | Computing Task Scheduling Framework considering Computing power and Electric Power Coordination | Medium |
| L.DLEE | Q6/5 | | Under study | 2026 | AAP | New | ISO/IEC JTC1/SC42, SG16 | Deep Learning Computation Energy Efficiency Evaluation Framework and Metrics | Medium |
| L.DSBS | Q6/5 | | Under study | 2026-12 | AAP | New | - | Application practice of Direct Current dual-cooling source air conditioner in base station | Medium |
| L.DSEC | Q6/5 | | Under study | 2027 | AAP | New | ITU-T SG20 | Requirements for data storage energy efficient management in data centers | Medium |
| L.EC&MM-IoTD | Q6/5 | | Under study | 2027-12 | AAP | New | Study Group 20 | Energy consumption metrics and measurement methodology of constrained IoT sensor devices in smart grid | Medium |
| L.EE_dse | Q6/5 | | Under study | 2026 | AAP | New | ETSI EE | Energy efficiency metrics and measurement methods for data storage equipment | Medium |
| L.EE_serv | Q6/5 | REN/EE-EEPS42 (EN 303 470 Ver. 1.2.1) | Under study | 2026 | AAP | New | ETSI EE | Energy Efficiency measurement methodology and metrics for servers | High |
| L.EE_Token | Q6/5 | | Under study | 2028-12 | AAP | New | - | Token-Based Evaluation Framework for Energy and Carbon Efficiency of AI Inference | Medium |
| L.FNEE | Q6/5 | DES/EE-EEPS65 (ES 204 086) | Under study | 2026 | AAP | New | - | Assessment of Fixed Network Energy Efficiency | Medium |
| L.GLOC_DC | Q6/5 | | Under study | 2028-12 | AAP | New | - | Guidelines for Green and Low-carbon Operation Control of Water Cooling System in Data Centres | Medium |
| L.HESS-AIDC | Q6/5 | | Under study | 2028-06 | AAP | New | IEC TC8, ISO/IEC JTC 1 SC39 | General Requirements for Hybrid energy storage for AI data centers | Medium |
| L.HRES_PD&HA | Q6/5 | | Under study | 2026 | AAP | New | - | Hybrid Renewable Energy System based on solar for ICT Portable Devices and Low-Power Home Appliance | Medium |
| L.ITLB | Q6/5 | | Under study | 2026 | AAP | New | IEC TC 21 | Application practices of smart managements of Lithium iron phosphate battery in telecommunication rooms and data centers | Medium |
| L.liquid_DC | Q6/5 | | Under study | 2026 | AAP | New | - | High Efficiency Liquid Cooling Solutions and Practices for Data Centres to Climate Change Mitigation and Adaptation | Medium |