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Improving energy efficiency of the radio access network

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A roadmap to lower RAN energy use and operating costs

This whitepaper shows how operators can improve RAN energy efficiency through hardware and software optimization, energy-saving management, vendor solutions, and data-driven scenario analysis.

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Summary
Reducing RAN energy consumption helps operators lower costs, support sustainability targets, and improve network operations. This whitepaper examines energy-saving approaches across vendors, standards, Open RAN, Layer 1 design, and Detecon’s NetWorks-based scenario analysis to identify realistic savings potential without compromising service quality.
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    RAN energy efficiency

     

    Learn how operators can reduce RAN energy use with practical, data-driven measures.

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    Why RAN energy efficiency matters

    Lower costs, meet sustainability goals, and optimize network operations.

    Energy efficiency is now a business and sustainability priority

    Reducing energy consumption lowers operational costs and supports climate targets. The whitepaper links energy-saving measures to stronger financial performance, sustainability commitments, and long-term competitiveness.

    The RAN is a major lever for energy savings

    The whitepaper identifies the Radio Access Network as a particularly important area because it accounts for a significant share of telecom network energy consumption, with base stations representing a major portion of electricity usage.

    Electricity costs are increasing the urgency to act

    Rising electricity prices add pressure to improve energy efficiency. This makes network modernization, smarter operations, and energy-saving features more relevant for telecom operators seeking cost control.

    Operators can improve efficiency without harming user experience

    The whitepaper shows that energy-saving actions can be applied with very low, often not measurable, impact on customer experience when supported by structured analysis, suitable thresholds, and operational safeguards.

    Data-driven scenario analysis improves decision-making

    Detecon’s NetWorks Mobile Forecast helps operators assess where and when carrier deactivation is feasible, enabling more realistic planning of energy-saving measures before implementation.

    Learn more about NetWorks Mobile Forecast

    Standards, vendors, and architecture all shape outcomes

    Energy efficiency depends on a mix of 3GPP energy-saving management, vendor innovations, Open RAN approaches, and Layer 1 design decisions. No single lever is enough on its own.

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    Roadmap to improving RAN energy efficiency

    Six energy efficiency pillars for telecom operators.

    Operators need visibility into where energy is consumed across the network. The whitepaper highlights the importance of monitoring current energy usage, assessing equipment and configurations, and validating operational processes before implementing technical measures.
    Energy efficiency must fit into an operational framework that includes assessment, execution, and monitoring. Decisions should account for feature availability, dependencies, regulatory requirements, and service obligations such as NB-IoT support or anchor-cell roles.

    Ericsson, Nokia, and Huawei all approach RAN energy efficiency through combinations of hardware improvements, software-based optimization, cooling innovations, and AI-driven network management. These solutions target both CAPEX and OPEX efficiency.

    3GPP Energy Saving Management, ITU energy domains, and Open RAN concepts such as RF channel switching create an important standards-based path toward more automated and scalable energy reduction in mobile networks.

    Layer 1 processing has a major impact on RAN power consumption. The whitepaper shows how acceleration choices, silicon design, and programmable architectures influence both energy usage and future readiness, especially in cloud RAN and Open RAN environments.

    With NetWorks Mobile Forecast, operators can model current and future traffic loads and assess when carrier deactivation is possible. This supports lower investment and operating costs while helping avoid performance degradation.

    Access insights

    Discover where your RAN can reduce energy consumption.

    Key findings

    What the whitepaper highlights about RAN energy efficiency.

    Energy efficiency is both a cost and network design issue

    The whitepaper shows that meaningful energy reductions require a combination of smarter operations, vendor innovation, standards-based energy management, and network-specific scenario analysis.

    6.4B

    Global unique mobile subscribers were estimated at 6.4 billion in 2022, with forecasts pointing to 7.7 billion by 2028.

    2–3%

    Telecommunications accounts for 2–3% of global energy consumption, underlining the importance of energy efficiency across network infrastructure.

    0.6%

    Mobile networks are responsible for about 0.6% of the world’s electricity consumption according to the whitepaper.

    90%

    The whitepaper states that 3GPP specifications for 5G call for designs targeting a 90% reduction in energy consumption.

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