Environmental management

ISA proactively contributes to global environmental challenges by inspiring others for the benefit of humanity.

ISA acts on the following areas





ISA works for the protection of ecosystems and biodiversity.

ISA is committed to identifying, evaluating, and implementing environmental strategies that allow us to preserve and protect the ecosystems in our areas of influence. The aim is to mitigate the impact of change and to leave a better planet for future generations.

  • Comprehensive management of biodiversity
  • Impact offsetting
  • Alliances

ISA takes responsible actions in favor of the environment and biodiversity, avoiding the affectation of sensitive species and ecosystems, mitigating, and offsetting the impacts of its activities.

ISA closely monitors the life cycle of our assets to prevent, control, mitigate, and offset environmental impacts through different tools:

  • ARPEX (Environmental Restriction Analysis in Expansion Plans) and ARA (Environmental Restriction Analysis) tools are implemented to help optimize the design of transmission lines to avoid and minimize their environmental impacts.
  • DAA (Diagnosis of Environmental Alternatives) and EIA (Environmental Impact Studies) provide further details to minimize biodiversity risks.
  • PMA (Environmental Management Plan) includes activities aimed at mitigating, offsetting, and preventing impacts on biodiversity. The plan is applied to all situations of the assets’ life cycle.
  • ISA respects, promotes, and complies with the legislation established in each country where the company operates.

Impact offsetting

We are working to achieve mandatory and voluntary goals to offset our impact on biodiversity. 

The mandatory goals to which we are committed are imposed by the corresponding environmental authority, created under a methodology that ensures the No Net Loss of Biodiversity. 


594,99 ha of mandatory offsets implemented that are in the maintenance and monitoring stage, through different strategies such as planting, transplanting and conservation of strategic areas, with the understanding that the offset is a process of constant maintenance and monitoring.

Through voluntary actions, we go above and beyond obligations

Our goal is to leave a legacy to raise awareness, inspire, excite, transform and transcend for generations. We are sure that the best footprint is the protection of biodiversity and the mitigation of climate change. These are the main topics of the global agenda, which will shape the future of the human race. For this purpose, we have embarked on a path that seeks to protect the jaguar, biodiversity, and the forests of Latin America, which are major global carbon reservoirs.

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ISA explores and encourages conservation and biodiversity protection-oriented relationships in accordance with national, international, and regional priorities.

ISA consolidates alliances with environmental institutions, including national authorities, NGOs, and companies.


To mitigate climate change, ISA counts on joint actions of governments, the society, and companies that seek the offsetting of Greenhouse Gases (GHG) emissions.

In addition to identifying and optimizing potential GHG sources, ISA offset its emissions through carbon credits generated in Conexión Jaguar projects, thus seeking to make ISA carbon neutral.

  • Mitigation
  • Adaptation
  • Opportunities


ISA counts on joint actions of governments, sectors of society, and companies seeking Greenhouse Gases (GHG) offsets to mitigate climate change.


In 2016, a corporate goal was set to reduce direct emissions. It consists of reducing, by 2020, SF6 leaks of that year by more than 50%, which is equivalent to avoiding the emission of approximately 18.500 tons of CO2e.

To achieve this, annual goals were set for each company. Companies that do not yet meet the International Electrotechnical Commission (IEC) standard, which establishes that leaks shall not exceed 0.5% of the SF6 installed, must reduce the leaks of the previous year by 10% until getting below this standard before 2020.

With the intention of achieving the 2020 target, improving increasingly, a specific work plan for the optimal management of SF6 was designed during 2019 to help achieve the goals.

SF6 gas is used to isolate substation equipment over 35,000 Volts in electrical network devices. SF6 gas helps prevent disasters, but the gas itself has some drawbacks and must be kept inside equipment enclosures.


In countries where we operate, there is low contribution to global emissions but high vulnerability to the effects of climate change. ISA has therefore implemented different measures to mitigate the impact of climate change, considering the relevant risks that can increase these effects:

Risk Management

ISA has identified climate change risks that would potentially cause a substantive change in our business operations.

Risks driven by change in regulations:

Mainly including the intensification in environmental management of infrastructure projects related to climate change mitigation and/or adaptation measures and the increase in the offset of GHG emissions.

Risks driven by change in physical parameters:

They correspond to an increase in the intensity of the climatic phenomena (El Niño and La Niña), with consequences such as:

  • Fall of transmission lines.
  • Change of design criteria.
  • Weakening of foundations, among others.


The ISA2030 Strategy – Sustainable Value, includes goals to start operations in new energy businesses to diversify its business portfolio and positively impact the environment thanks to key actions such as the decarbonization of the energy system. After this analysis, four business lines were prioritized:

  • Energy Storage.
  • Distributed Energy Resources -DER-
  • Grid connection for renewable energy projects.
  • Regional Energy Integration.


It is the production of goods and services with lower consumption of supplies and raw materials, reducing the environmental impact.

In 2019 our companies set a goal of reducing water and energy consumption and waste generation (ordinary and hazardous) by 5%.

  • Impact Reduction
  • Eco-efficiency actions
  • “En La Movida” Sustainability Mobility

A reduction of approximately 320 tons CO2e was set as a goal. Results were positive, as the goal was exceeded with a total of 413 tons CO2e avoided by eco-efficiency actions.

ISA REP is committed to a 10% impact reduction. ISA INTERCHILE and ISA TRANSELCA subsequently began measuring their consumption and generations to set their short-term goal.   Compliance status of the goal in our companies is shown in the table.

Eco-efficiency actions

To positively impact the planet, we need to move from diagnosis to action. The strategies developed in our companies are the following.

Water consumption (m3)

Considering the low impact that water consumption implies for the Energy Transmission business, despite its intensity, by 2020 the goal of 1% reduction in energy consumption is established based on the average of the years from 2015 to 2017.

We highlight the implementation of:

  • Rainwater harvesting
  • Atmospheric water generators
  • Dry toilets
  • Efficient faucets
  • Collection of water from air conditioning systems

Energy consumption (MWh)

Considering the low impact that energy consumption implies for the Energy Transmission business, despite its intensity, for the year 2020 the goal of 1% reduction in energy consumption was established based on the average of the years from 2015 to 2017. 66% of the energy consumed by ISA and its affiliates is of renewable origin.

We highlight the implementation of:

  • 100% renewable energy consumption at ISA’s headquarters in Medellín (14% generated with photovoltaic panels and the rest purchased with I-REC certificates).
  • Campaigns for the proper use of natural resources
  • Replacement of light fixtures with LED technology in substations and administrative offices.


Considering the low impact of waste disposal for the Energy Transmission business, despite its intensity, by 2020 a target of 1% reduction in waste disposal was set based on the average of the years from 2015 to 2017.

We highlight the implementation of:

  • Agreements with local waste management entities to increase the percentage of recycled waste.
  • Campaigns to raise awareness of the importance of sorting waste and making proper use of resources.
  • Use of organic waste generated by the maintenance of green areas.

“En La Movida” Sustainable Mobility

For us, sustainability is a comprehensive matter where everyone must be involved. To mitigate the impact of climate change, our employees have implemented mobility practices that are responsible with the planet.

The objective is to promote a culture of efficient, sustainable, and safe mobility practices. Two years ago, in the city of Medellin, we started the development of the “En la Movida” program.

  • As a result of the commitment acquired when we joined the Air Quality Agreement, the emission of 100,70 ton CO2 to the atmosphere was avoided
  • Sistemas Inteligentes en Red, affiliate of the ISA Group, created the Appimotion app to support the management of sustainable mobility, allowing ISA to avoid the emission of 26,28 ton CO2.
  • 49,80 ton CO2 avoided by using company routes. 24,62 ton CO2 avoided by teleworking.
  • A 246,55 ton CO2e target to reduce emissions by means of sustainable mobility was set for 2019 at ISA, ISA INTERCOLOMBIA, XM, ISA REP, ISA BOLIVIA, and INTERNEXA, of which 41% was achieved.

Did you know that we are a members of various covenants, manifests and environmental societies?

Environmental management in figures



Equivalent to the energy consumption of 2.965 households in one year


12 12 habitats protected and restored

Equivalent to the consumption of 1.432 soccer fields

Information as of December 2020

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Conexión Jaguar is ISA’s flagship sustainability program. Together with its technical allies South Pole and Panthera, Conexión Jaguar contributes to:

The conservation of the biodiversity related to natural habitats of the jaguar.

Climate change mitigation.

Development of rural communities.