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    1. Home
    2. Sustainability
    3. Climate change
    4. Energy efficiency

    Climate change

    Climate change

    Energy efficiency: a key element for reducing emissions

    Repsol industrial facility lit up at night Energy efficiency

    Energy efficiency is one of the most effective ways to reduce greenhouse gas (GHG) emissions. It requires a continuous process of searching for opportunities for improvement in the fields of technology, design, and operation and maintenance procedures. Energy efficiency has always played a part of our projects and operations, being prominent since 2006 in ambitious plans and goals to reduce the energy and carbon intensity of our operations.

    • Efficiency to reduce emissions

      The permanent monitoring of our energy and carbon plans aims to guarantee operational excellence of our processes in terms of energy, which is fundamental for reducing our carbon intensity and progressing toward the goal of net zero emissions by 2050. In 2018, we drew up a new emissions reduction plan for the 2018-2025 period with the aim of achieving a reduction of 3 million tons of CO2e by 2025 and encompassing methane and routine flaring reductions.
    Aerial view of a barge platform at sea

    Reducing routine flaring

    Flares are a key factor in ensuring that our facilities are safe and the environment is protected. Since 2016, we have adhered to the World Bank’s Zero Routine Flaring by 2030 initiative, in which we commit to finding viable technical and economical solutions for minimizing routing flaring as soon as possible and no later than 2030. Our goal is to reduce CO2e emissions emitted from this activity by 50% by 2025 in E&P operated assets, whose baseline was established in 2018.
    Blue sky and green forest and grass

    Reducing the intensity of methane emissions

    We believe that natural gas plays an important role in the energy transition, which is why we have taken on the goal of reducing methane emission intensity by 25% in our operated assets by 2025, compared to 2017 figures. This commitment is in line with the joint objective with the OGCI initiative (Oil and Gas Climate Initiative) established in 2018. In order to achieve this goal, we must implement more precise technologies for emissions detection, quantification, and reduction, as well as transition to a lower-emissions portfolio.
    Two Repsol operators at a hydropower plant

    Low-emissions technologies and renewable energies in our operations

    In order to make our processes more efficient and our operations less carbon intensive, we will integrate renewable energies into our refining operations through the production of green hydrogen and the incorporation of renewable electricity for powering our industrial processes.
    Closeup of a green leaf with water droplets

    The first energy company to issue a Green Bond

    In 2017, we issued a certified green bond valued at €500 million and became the first Oil & Gas company to use this type of asset. It will be used to fund over 300 initiatives designed to improve energy efficiency and reduce CO2 emissions. In May 2020, we reached our investing commitment to finance projects for emissions mitigation in order to reduce CO2 by up to 1.2 Mt in our operations.

    Repsol's Green Bond Framework
    Green Bond Final Report |PDF| 3.47 KB
    Second Party Opinion

    Energy efficiency projects in our facilities

    • Pipelines in the project rephen facilities

      repHEN (Repsol Heat Exchanger Network)

      This tool monitors fouling in heat exchangers, and is used in all refineries. It allows us to define optimal cleaning strategies, make the most of sudden shutdowns, identify opportunities to improve equipment and processes, and analyze investments to implement online cleaning, therefore increasing CO2 reduction from 3% to 10%.
    • Shot of the compressors at a refinery

      Replacement of compressors

      Replacement of two compressors for a more efficient model with a variable speed motor in the Petronor refinery in Muskiz (Spain), which allow for the optimization of power consumption, therefore leading to a 77,000-metric ton reduction in CO2 emissions each year.
    • Partial view of facilities of a refinery

      Improving the efficiency of furnaces

      Two new air preheaters were installed in two furnaces at the refinery in Cartagena (Spain) in order to recover residual heat and thereby reduce CO2 emissions by 14,000 metric tons per year.
    • Shot of the machinery at a refinery

      Oil well optimization

      Development of a tool to evaluate electrical submersible pumping systems in the oil wells of Block 16 and 67, located in Ecuador. This action reduces CO2 emissions by 5,500 metric tons each year.
    Through the Oil & Gas Climate Initiative Investment Fund, we invest in solutions aimed at reducing carbon dioxide emissions by increasing energy efficiency.
    Learn about the initiatives.

    Calculating our products' carbon footprint

    We analyze the carbon footprint of our products in all stages of their life cycle. The methodology that we use for the calculation is ISO 14067 based, an international standard that validates the rigor of our work. Energy efficiency projects are fundamental in reducing the carbon footprint at the stages in which we have operational control.

    Technology Lab: innovation and technology for energy efficiency

    Discover how we work
    Aerial view of a winding highway through a forest

    Leaders in the energy transition

    We are the first company to commit to reaching net zero emissions by 2050, in line with the Paris Climate Agreement objectives and the United Nations' Sustainable Development Goals.
    Learn more
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